Cod sursa(job #2620242)

Utilizator andreea.vasilescuAndreea Vasilescu andreea.vasilescu Data 28 mai 2020 16:47:41
Problema Factorial Scor 5
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.27 kb
Raporteaza aceasta sursa 
#include<bits/stdc++.h>
using namespace std;
ifstream in("fact.in");
ofstream out("fact.out");
int main() {
    int n, nr, c = 25, div = 1;
    in >> n;
    nr = n * 5;
    while (c < nr) {
        n -= div;
        div++;
        c = c * 5;
    }
    out << n*5;
    return 0;
}