Cod sursa(job #1781328)

Utilizator andreiutu111Noroc Andrei Mihail andreiutu111 Data 16 octombrie 2016 20:04:31
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");

int main(){
  long long int N;
  f>>N;
  if(N==0)g<<1;
  else{
    long long int l=1,d=N,c=N;
  while(d || c){
    long long int x=l;
    while(!(x%2) && d)d-=1,x/=2;
    while(!(x%5) && c)c-=1,x/=5;
    l++;
  }
  g<<l-1;
  }
}