Cod sursa(job #1071990)
Utilizator | Data | 3 ianuarie 2014 19:57:54 | |
---|---|---|---|
Problema | Factorial | Scor | 40 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f;
ofstream g;
long int n,k,p,i;
main()
{
f.open("fact.in");
g.open("fact.out");
f>>p;
n=0;
k=0;
while(k<p){
n+=5;
i=n;
while(i%5==0){k++;i/=5;}
}
if(n==0)g<<"1";
else g<<n;
g.close();
}