Cod sursa(job #2186413)
| Utilizator | Data | 25 martie 2018 16:33:49 | |
|---|---|---|---|
| Problema | 1-sir | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.64 kb |
#include <fstream>
#include <vector>
#include <cmath>
#define MOD 194767
using namespace std;
ifstream in("1-sir.in");
ofstream out("1-sir.out");
int main()
{
int n, s, dif, maxim, curent = 0;
in >> n >> s;
s = abs(s);
maxim = ((n - 1) * n) / 2;
dif = maxim - s;
if (dif < 0)
{
out << 0;
return 0;
}
vector<int> rez(dif + 1);
rez[0] = 1;
for (int i = 1; i <= n; i++)
{
curent = curent + 2;
for (int j = curent; j <= dif; j++)
rez[j] = (rez[j] + rez[j - curent]) % MOD;
}
out << rez[dif];
return 0;
}
