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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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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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你會用C的算子sizeof?
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Colab上安裝中文字型修改股市爬蟲pyplot顯圖 使用python套件： numpy, requests. pyplot, matplotlib.font_manager, matplotlib.mpl
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Leetcode的1652. Defuse the Bomb是絕佳的練習題，特別是針對Python的使用者，雖說是sliding window 是簡單的那種，還可練習loop, slicing, minus index etc . https://leetcode.com/pro...
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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...
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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...
26 則留言:
import java.util.*;
import java.io.*;
public class fileRead {
public static void main (String[]args) throws Exception
{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
while (input.hasNext())
{
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
System.out.println();
}
}
}
import java.util.Scanner;
import java.io.*;
class GAP{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均"+b);
}
}
import java.util.Scanner;
import java.io.*;
class ab{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均"+b);
}
}
import java.util.*;
import java.io.*;
public class fileRead {
public static void main(String[] args) throws Exception
{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
float sum=0;
while (input.hasNext())
{
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
sum=sum/(i-1);
System.out.println();
System.out.print("平均= "+sum);
}
}
import java.util.Scanner;
import java.io.*;
class dd{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
float sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
sum=sum/(i-1);
System.out.println();
System.out.print("平均="+sum);
}
}
import java.util.Scanner;
import java.io.*;
class dd{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均是："+b);
}
}
import java.util.Scanner;
import java.io.*;
class dd{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均"+b`);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均"+b);
}
}
import java.util.*;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception
{ File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int sum=0;
int i=0;
int a;
while (input.hasNext())
{ tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum/(i-1));
System.out.print("全班平均是："+b);
}
}
import java.util.*;
import java.io.*;
public class U1 {
public static void main(String[]args) throws Exception
{
File f=new File("test.txt");
Scanner input=new Scanner (f);
String tmp;
int i=0;
int sum=0;
int a;
while (input.hasNext())
{
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均是："+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.*;
import java.io.*;
public class U1 {
public static void main(String[]args) throws Exception
{
File f=new File("test.txt");
Scanner input=new Scanner (f);
String tmp;
int i=0;
int sum=0;
int a;
while (input.hasNext())
{
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班的平均是："+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.*;
import java.io.*;
public class U1 {
public static void main(String[]args) throws Exception
{
File f=new File("test.txt");
Scanner input=new Scanner (f);
String tmp;
int i=0;
int sum=0;
int a;
while (input.hasNext())
{
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班的平均是："+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.*;
public class Fibonacci{
public static double a(int n)
{
double sqrt5=Math.sqrt(5);
double a1=Math.pow((1+sqrt5)/2,n);
double a2=Math.pow((1-sqrt5)/2,n);
return (a1-a2)/sqrt5;
}
public static void f(int n){
int f[]=new int[n+1];
f[0]=0;f[1]=1;
for(int i=2; i<=n; i++){
f[i]=f[i-1]+f[i-2];
System.out.print("f["+i+"]="+f[i]);
System.out.println("a("+1+")="+a(i));
}
}
public static void main(String[] args)throws Exception{
Scanner input=new Scanner(System.in);
int n=input.nextInt();
f(n);
}
}
import java.util.*;
public class Fibonacci{
public static double a(int n)
{
double sqrt5=Math.sqrt(5);
double a1=Math.pow((1+sqrt5)/2,n);
double a2=Math.pow((1-sqrt5)/2,n);
return (a1-a2)/sqrt5;
}
public static void f(int n){
int f[]=new int[n+1];
f[0]=0;f[1]=1;
for(int i=2; i<=n; i++){
f[i]=f[i-1]+f[i-2];
System.out.print("f["+i+"]="+f[i]);
System.out.println("a("+1+")="+a(i));
}
}
public static void main(String[] args)throws Exception{
Scanner input=new Scanner(System.in);
int n=input.nextInt();
f(n);
}
}
import java.util.*;
public class Fibonacci{
public static double a(int n)
{
double sqrt5=Math.sqrt(5);
double a1=Math.pow((1+sqrt5)/2,n);
double a2=Math.pow((1-sqrt5)/2,n);
return (a1-a2)/sqrt5;
}
public static void f(int n){
int f[]=new int[n+1];
f[0]=0;f[1]=1;
for(int i=2; i<=n; i++){
f[i]=f[i-1]+f[i-2];
System.out.print("f["+i+"]="+f[i]);
System.out.println("a("+1+")="+a(i));
}
}
public static void main(String[] args)throws Exception{
Scanner input=new Scanner(System.in);
int n=input.nextInt();
f(n);
}
}
fileRead
import java.util.Scanner;
import java.io.*;
class fileRead {
public static void main(String[] args) throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if (input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("全班平均:"+b);
}
}
import java.util.Scanner;
import java.io.*;
class ab{
public static void main(String [] args)throws Exception{
File f=new File("test.txt");
Scanner input=new Scanner(f);
String tmp;
int i=0;
int a;
int sum=0;
while (input.hasNext()){
tmp=input.next();
System.out.print(i++);
System.out.print("\t"+tmp);
if(input.hasNextInt())
{
a=input.nextInt();
System.out.print("\t"+a);
sum+=a;
}
System.out.println();
}
float b=((float)sum)/(i-1);
System.out.print("平均"+b);
}
}
張貼留言