Cod sursa(job #2402415)

Utilizator VadimCCurca Vadim VadimC Data 10 aprilie 2019 17:58:17
Problema Factorial Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("fact.in");
ofstream fout("fact.out");

int n, p;

int main(){
	int i, pz;
	while(1){
		fin >> p;
		if((25 * (p + 1) / 6) % 25 == 0) cout << -1 << endl;
		else
			fout << (int)(25.0 * p / 6 + 4.99999) / 5 * 5 << endl;
	}
}