Cod sursa(job #356290)
| Utilizator |  Marian S eu93 |
Data | 14 octombrie 2009 07:26:36 |
|---|---|---|---|
| Problema | Nunta | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | CNRV #2 | Marime | 0.18 kb |
#include <fstream.h>
int main()
{ int n,i,s=0;
ifstream f("nunta.in");
ofstream g("nunta.out");
f>>n;
for (i=1;i<=n-1;i++) s+=n-i;
g<<s;
f.close();
g.close();
return 0;
}