Cod sursa(job #7304)
Utilizator | Data | 21 ianuarie 2007 13:23:37 | |
---|---|---|---|
Problema | 1-sir | Scor | 0 |
Compilator | cpp | Status | done |
Runda | preONI 2007, Runda 1, Clasele 11-12 | Marime | 0.32 kb |
#include<fstream.h>
#define abs(x) ( x < 0 ? -x : x )
int main()
{
int n;
long long S;
ifstream f("1-sir.in");
f>>n>>S;
f.close();
ofstream g("1-sir.out");
if( abs(S) > (n-1)*n/2 ) { g<<"0\n";g.close(); return 0; }
if( abs(S) == (n-1)*n/2 ){ g<<"1\n";g.close(); return 0; }
return 0 ;
}