513 | Проблема Николая






Java Solution:

import java.util.Scanner;
public class solution_6 {

    private static int func(int n, int m){
        int res = 1, i = 0;        for (res = i = 1; i <= n ; i++) res = (res * i) % m;        return res;    }

    public static void main(String[] args){
        Scanner scn = new Scanner(System.in);
        int n = scn.nextInt(), m = scn.nextInt();
        if (n >= m){
            System.out.print(0);        } else {
            System.out.print(func(n, m));        }

    }

}

Attention! 80% successful!

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