Cod sursa(job #831169)
Utilizator | Data | 8 decembrie 2012 11:14:09 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.64 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int main(){
int n, nr = 0, i;
long long prod = 1;
fin >> n;
for( i = 1; nr < n; i++){
if(i % 5 == 0 && i % 10 != 0){
nr ++;
int x = i;
while(x){
x /= 5;
if(x % 5 == 0) nr ++;
else break;
}
}
if(i % 10 == 0){
nr ++;
int y = i;
while(y){
y /= 10;
if(i % 10 == 0)nr ++;
}
}
}
fout << i;
fin.close();
fout.close();
return 0;
}