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2015年10月30日 星期五

ex6 估計Euler constant e

ex6 估計Euler constant e

45 則留言:



  1. public class ex_01 { static double show(int n){ double p=1; for(int i=2;i<=n;i++) p=p*i; return p; } public static void main(String[] args) { int n=20; double sum=0; for(int i=0;i<=n;i++) sum+=1.0/show(i); System.out.println(sum); }}

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  2. public class ex1030 { static double show(int n){ double p=1; for(int i=2; i<=n; i++){ p=p*i; } return p; } public static void main(String[] args) { int n=20; double sum=0; for(int i=0; i<=n ;i++) sum+=1.0/show(i); System.out.println(sum); } }

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  3. public class ex1030 { static double show(int n){ double p=1; for(int i=2; i<=n; i++){ p=p*i; } return p; } public static void main(String[] args) { int n=20; double sum=0; for(int i=0; i<=n ; i++) sum+=1.0/show(i); System.out.println(sum); }

    }

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  4. public class b1013300701 { static double factorial(int n){ double p=1; for(int i=2; i<=n; i++){ p=p*i; } return p; }

    public static void main(String[] args) { double sum=0; int N=20; for(int i=0; i<=N ;i++){ sum+=1.0/factorial(i); } System.out.println(sum); }

    }

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  5. public class exx1 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0; i<=n; i++){
    sum+=1.0/factorial(i);
    }
    System.out.println(sum);
    }
    }

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  6. public class jimmy111 {
    static double factorial (int n){
    double p=1;
    for(int i=2;i<n;i++){
    p=p*i;
    }
    return p;
    }

    public static void main(String[] args) {
    int n=22;

    System.out.println(factorial(12));
    }
    }

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  7. public class jimmy111 { static double factorial (int n){ double p=1; for(int i=2;i<n;i++){ p=p*i; } return p; }

    public static void main(String[] args) { int n=22; System.out.println(factorial(12)); }}

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  8. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  9. public class A10433011 {
    static double factorial(int n){
    double p = 1;
    for (int i=2;i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[]args){
    double sum=0;
    int n =20;
    for(int i=0; i<=n; i++){
    sum+=1.0/factorial(i);
    }

    System.out.println(sum);
    }

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  10. public class A10433043 {
    static double show(int n){
    double p=1;
    for(int i=2;i<=n;i++)
    p=p*i;
    return p;
    }
    public static void main(String[] args) {
    int n=20;
    double sum=0;
    for(int i=0;i<=n;i++)
    sum+=1.0/show(i);
    System.out.println(sum);

    }

    }

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  11. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  12. A10433029
    public class ex1041030 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n; i++){
    sum+=1.0/factorial(i);
    }
    System.out.println(sum);
    }
    }

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  13. public class gg {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0
    int n=20;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    }
    System.out.print(sum);
    }
    }

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  14. public class A10433043 {
    static double show(int n){
    double p=1;
    for(int i=2;i<=n;i++)
    p=p*i;
    return p;
    }
    public static void main(String[] args) {
    int n=20;
    double sum=0;
    for(int i=0;i<=n;i++)
    sum+=1.0/show(i);
    System.out.println(sum);

    }

    }

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  15. A10433018


    public class gg {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0
    int n=20;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    }
    System.out.print(sum);
    }
    }

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  16. public class A10433043 {
    static double show(int n){
    double p=1;
    for(int i=2;i<=n;i++)
    p=p*i;
    return p;
    }
    public static void main(String[] args) {
    int n=20;
    double sum=0;
    for(int i=0;i<=n;i++)
    sum+=1.0/show(i);
    System.out.println(sum);

    }

    }

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  17. public class A10433043 {
    static double show(int n){
    double p=1;
    for(int i=2;i<=n;i++)
    p=p*i;
    return p;
    }
    public static void main(String[] args) {
    int n=20;
    double sum=0;
    for(int i=0;i<=n;i++)
    sum+=1.0/show(i);
    System.out.println(sum);

    }

    }

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  18. A10433024


    public class gg {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0
    int n=20;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    }
    System.out.print(sum);
    }
    }

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  19. A10433022
    public class EX1 {
    public static void main(String[] args) {
    double p=1;
    double sum=1;
    int n=1000000;
    for(int i=1; i<=n; i++){
    p=i*p;
    sum=sum+1.0/p;
    }
    System.out.println(sum);
    }
    }

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  20. import java.util.Scanner;

    public class tast1 {

    public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("輸入階層N"); int x=input.nextInt(); double p=1,sum=1; for(int i=1; i<=x ;i++){ p*=i; sum=sum+1/p; } System.out.println(sum); }}

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  21. a10433029

    public class ex1041030 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n; i++){
    sum+=1.0/factorial(i);
    }
    System.out.println(sum);
    }
    }

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  22. public class GG {

    public static void main(String[] args) { double n=100000,p=1,i,a=1; for(i=1;i<=n;i++){ p=p*i; a=a+1.0/p;} System.out.println(a); }}

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  23. public class GG {

    public static void main(String[] args) { double n=100000,p=1,i,a=1; for(i=1;i<=n;i++){ p=p*i; a=a+1.0/p;} System.out.println(a); }}

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  24. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  25. import java.util.Scanner;public class zx { public static void main(String[] args) { int x; double d=1; double c =1 ; Scanner a = new Scanner(System.in); System.out.println("N="); x= a.nextInt(); for (int n=1;n<=x;n++){ c=n*c; d+=1.0/c;} System.out.println(d);}

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  26. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  27. a10433029

    public class ex1041030 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n; i++){
    sum+=1.0/factorial(i);
    }
    System.out.println(sum);
    }
    }

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  28. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  29. public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  30. public class hello123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }

    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0; i<=n ;i++){
    sum+=1.0/factorial(i);

    }

    System.out.println(sum);
    }
    }
    id="result-source" class="sh_html sh_sourceCode"><span class="sh_keyword" 

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  31. public class jimmy111 { static double factorial (int n){ double p=1; for(int i=2;i<n;i++){ p=p*i; } return p; }

    public static void main(String[] args) { int n=20; double sum=0; for(int i=0; i<=n; i++) sum+=1.0/factorial(i); System.out.println(sum); System.out.println(Math.E); }

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  32. public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  33. public class cgvcb {
    public static void main(String[] args) {
    double p=1;
    double sum=1;
    int n=100;
    for (int i=1; i<=n; i++){
    p=i*p;
    sum=sum+1.0/p;
    }
    System.out.println(sum);


    }
    }

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  34. A10433018


    public class gg {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0
    int n=20;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    }
    System.out.print(sum);
    }
    }

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  35. public class ex1041030 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n; i++){
    sum+=1.0/factorial(i);
    }
    System.out.println(sum);
    }
    }

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  36. A10433024


    public class gg {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i
    }
    return p;
    }
    public static void main(String[] args) {
    double sum=0
    int n=20;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    }
    System.out.print(sum);
    }
    }

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  37. public class cgvcb {
    public static void main(String[] args) {
    double p=1;
    double sum=1;
    int n=100;
    for (int i=1; i<=n; i++){
    p=i*p;
    sum=sum+1.0/p;
    }
    System.out.println(sum);


    }
    }

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  38. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  39. package hello;

    public class EX1 {
    static double factorial(int n){
    double p=1;
    for (int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    long n=20;
    double sum=1;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    System.out.println(sum);
    }

    }

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  40. package hello;

    public class EX1 {
    static double factorial(int n){
    double p=1;
    for (int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[] args) {
    long n=20;
    double sum=1;
    for(int i=1; i<=n; i++)
    sum+=1.0/factorial(i);
    System.out.println(sum);
    }

    }

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  41. public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  42. B10133189

    public class He123 {
    static double factorial(int n){
    double p=1;
    for(int i=2; i<=n; i++){
    p=p*i;
    }
    return p;
    }


    public static void main(String[] args) {
    double sum=0;
    int n=20;
    for(int i=0;i<=n ;i++)
    sum+=1.0/factorial(i);



    System.out.println(sum);
    }

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  43. public class A10433022 {
    static double factorial(int n){
    double p = 1;
    for (int i=2;i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[]args){
    double sum=0;
    int n =20;
    for(int i=0; i<=n; i++){
    sum+=1.0/factorial(i);
    }

    System.out.println(sum);
    }

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  44. static double factorial(int n){
    double p = 1;
    for (int i=2;i<=n; i++){
    p=p*i;
    }
    return p;
    }
    public static void main(String[]args){
    double sum=0;
    int n =20;
    for(int i=0; i<=n; i++){
    sum+=1.0/factorial(i);
    }

    System.out.println(sum);
    }

    回覆刪除

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