Cod sursa(job #355923)
| Utilizator |  Bacaoanu Crenguta crengu |
Data | 12 octombrie 2009 19:00:42 |
|---|---|---|---|
| Problema | Nunta | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.17 kb |
#include<fstream.h>
int main()
{
int n;
ifstream f("nunta.in");
ofstream g("nunta.out");
f>>n;
n=(n-1)*n/2;
g<<n;
f.close();
g.close();
return 0;
}