623 - 500!

Author: Ismail Hosen

Daffodil International University

Problem Link

//Please follow from main function#include<stdio.h>

#include<string.h>

int main()

{

    int i, sum=1,n;

    char ch[10000];

    ch[0]=1;

    scanf("%d", &n);

    for(i=1; i<=n; i++){

        ch[i-1]=ch[i-1]*i;

        ch[i]=ch[i-1];

    }

    int len=strlen(ch);

    puts(ch);

    return 0;

}