Cod sursa(job #2680796)

Utilizator overstainedVlad Radu overstained Data 4 decembrie 2020 13:24:02
Problema Factorial Scor 10
Compilator c-64 Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <stdio.h> 

int main()
{

    freopen("fact.in", "r", stdin);
    freopen("fact.out", "w", stdout);
    
    int n;
    scanf("%d", &n);

    int num = n*5;
    int div = n;
    while(div/5 != 0) {
      num-=5;
      div=div/5;
    }

    printf("%d\n", n == 0? 1: num);
    return 0;
}