Cod sursa(job #394199)
| Utilizator |  cassian cassian15 |
Data | 10 februarie 2010 17:36:51 |
|---|---|---|---|
| Problema | A+B | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.2 kb |
#include<fstream.h>
#define endl '\n'
int main(){
ifstream fin("suma.in");
ofstream fout("suma.out");
int n,p,s;
fin>>n>>p;
s=((n-1)*n*(n+1))/3;
s=s%p;
fout<<s<<endl;
return 0;
}