Cod sursa(job #372366)

Utilizator attila3453Geiszt Attila attila3453 Data 9 decembrie 2009 19:16:11
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream fi("fact.in");
ofstream fo("fact.out");
long nr, n, p, i, p2;
int main() {
  fi >> p;
  for (nr = p;nr <= 999999999;nr++) {
    p2 = 0;
    for (i = 5;i < nr;i *= 5)
      p2 += nr / i;
    if (p == p2) {
      fo << nr;
      break;
    }
  }
}