Lang:Java
Edit12345678910111213141516171819202122232425262728293031import java.util.Scanner;public class Main {public static void main(String[] args) {Scanner scan = new Scanner(System.in);double dp[][] = new double[110][610];int n=scan.nextInt();int m=scan.nextInt();dp[0][0]=1;for(int i=1;i<=n;++i){for(int j=i;j<=6*i;++j){for(int k=1;k<=6 && j-k>=0; k++){dp[i][j]+=dp[i-1][j-k];}}}double tot=0;double sum = dp[n][m];//System.out.println(sum);for(int i=0;i<=n*6;++i)tot += dp[n][i];//System.out.println(tot);sum = sum/tot*100;System.out.println(String.format("%.2f\n", sum));