Cod sursa(job #3322483)

Utilizator crina2120Arnautu Cristina-Crina crina2120 Data 14 noiembrie 2025 13:44:52
Problema Factorial Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
using namespace std;

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

int x;

int main()
{
	int i;
	fin >> x;
	if (x < 0) fout << "-1\n";
	else if (x == 0) fout << 1 << "\n";
	else if (x == 1) fout << 5 << "\n";
	else fout << (x - 1) * 5 << "\n";
	return 0;
}