Cod sursa(job #2697082)

Utilizator alex1033Alex Putineanu alex1033 Data 17 ianuarie 2021 17:28:25
Problema Factorial Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <cmath>
#include <fstream>
using namespace std;

ifstream in("fact.in");
ofstream out("fact.out");
int main()
{
unsigned long long i,fct=1,p,j,l;
in>>p;
l=pow(10,p);
for(i=1;i<=10000000;i++){
fct=1;
for(j=1;j<=i;j++)
fct=fct*j;

if(fct%l==0){
out<<i<<" ";
break;
}
}

    return 0;

}