將後序算式計算答案
18,6,/,3,2,*,-
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教育部為提昇全民資安素養與電腦防護能力，本部於101年9月5日至11月5日舉辦「全民資安素養自我評量」活動，請在活動期間內踴躍上網檢測資訊安全素養認知程度，並有機會參與抽獎，詳情請參閱活動網站（網址： https://isafe.moe.edu.tw/event
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url="https://www.twse.com.tw/exchangeReport/STOCK_DAY?response=json&date=20220330&stockNo=2330"
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先說明一下這是後知後覺的解答，所謂後知就是股票價格已知存在陣列(清單)，當然就要用迴圈練習，雙迴圈暴力解需時O(n**2)，當然不用，採python單一迴圈解答「最佳股票的買賣時機#LeetCode 121 Best Time to Buy and Sell Stock」，解...
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你會用C的算子sizeof?
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XOR prefixsum CPP python解Leetcode 1829 Maximum XOR for Each Query 其實這裡考慮的是元素個數為2^maximumBit的交換群，運算子為XOR。 [Python code請進]
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Python C++使用字串find迴圈速解Leetcode 2490 Circular Sentence C++ & Python都有字串的find，用法都類似 split=s.find(' ', split+1)能找到s從index=split+1開...
61 則留言:
/,+,15,6,3
=>/,21,3
=7;
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class b1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack1;
import java.util.*;
public class a2 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1{
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack1;
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package b1;
import java.util.*;
public class b1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList number= new LinkedList();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package b1;
import java.util.*;
public class b1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class B9933051
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+")
return A+B;
else if (op=="-")
return A-B;
else if (op=="*")
return A*B;
else if (op=="/")
return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack1;
import java.util.*;
public class t1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package Postfix2A;
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package A1;
import java.util.*;
public class B1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack;
import java.util.*;
public class pack {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack;
import java.util.*;
public class pack {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class b1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A,int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int p=1;
for(int i=1; i<=B;i++)
p*=A;
return p;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
//答案:-3;
package p1;
import java.util.*;
public class b1 {
/**
* @param args
*/
// TODO Auto-generated method stub
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package b1;
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
..
package p1;
import java.util.*;
public class b1 {
/**
* @param args
*/
// TODO Auto-generated method stub
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList number= new LinkedList();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
public class tt
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package V1;
import java.util.*;
public class B9933052A{
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
答案=-3
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
..
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
..
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
..
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package pack1;
import java.util.*;
public class t1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package dddfff;
import java.util.*;
public class aaasss {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class b9933011 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package p1;
import java.util.*;
public class V1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A,int B,String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1;i<=B;i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number=new LinkedList<Integer>();
for(int i=0;i<f.length;i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class B1 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class b9733054 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class B9933007 {
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList number= new LinkedList();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
package P1;
import java.util.*;
public class A1
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op)
{
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else
{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args)
{
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++)
{
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class A1{
static boolean isOperator(String op){
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList number= new LinkedList();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i])){
int n=Integer.parseInt(f[i]);
number.push(n);
}
else{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
import java.util.*;
public class Postfix2A
{
static boolean isOperator(String op)
{
if (op=="+"||op=="-"||op=="*"||op=="/"||op=="^")
return true;
else
return false;
}
static int compute(int A, int B, String op){
if (op=="+") return A+B;
else if (op=="-") return A-B;
else if (op=="*") return A*B;
else if (op=="/") return A/B;
else{
int P=1;
for(int i=1; i<=B; i++)
P*=A;
return P;
}
}
public static void main(String[] args) {
String f[]={"18","6","/","3","2","*","-"};
LinkedList<Integer> number= new LinkedList<Integer>();
for(int i=0; i<f.length; i++){
if(!isOperator(f[i]))
{
int n=Integer.parseInt(f[i]);
number.push(n);
}
else
{
int B=number.pop();
int A=number.pop();
int C=compute(A,B,f[i]);
number.push(C);
}
System.out.println(number);
}
System.out.println("答案="+number.pop());
}
}
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