Cod sursa(job #2076297)

Utilizator CryshanaGanea Carina Cryshana Data 26 noiembrie 2017 13:52:07
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;

int main()
{
ifstream fin("fact.in") ;
ofstream fout("fact.out");
  int P,pas=1,r;
  fin>>P;
  r=5*P;
  while(pas*5<r)
    pas*=5;
  while(pas!=5)
  {
      r-=(pas/5);
      pas-=5;
  }
  if(r) fout<<r;
  else fout<<"1";
    return 0;
}