Cod sursa(job #2778717)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 2 octombrie 2021 06:31:51
Problema Factorial Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.23 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream F("fact.in");
ofstream G("fact.out");
int p,m,s,n;
int main()
{
    F>>p;
    for(n=4*p;s<p;++n)
        for(m=n,s=0;m;s+=m/=5);
    G<<(s-p?-1:p?n-1:1);
    return 0;
}