Cod sursa(job #1104188)
Utilizator | Emanuel Nrx StarGold2 | Data | 10 februarie 2014 16:03:40 |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.44 kb |
#include<iostream>
#include<fstream>
#include<limits>
#include<cmath>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int x,i,n,j,ok,s;
int main(){
fin>>n;
i=1;
ok=0;
while(ok==0){
s=0;
j=5;
while(j<=i){
s+=i/j;
j*=5;
}
if(s==n){
fout<<i;
return 0;
}
i++;
}
return 0;
}