Cod sursa(job #1876671)
Utilizator | Data | 12 februarie 2017 15:33:54 | |
---|---|---|---|
Problema | 1-sir | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.48 kb |
#include <bits/stdc++.h>
#define nm 40000
#define MOD 194767
using namespace std;
ifstream fin("1-sir.in");
ofstream fout("1-sir.out");
int n,s,a,d[nm];
int main()
{
int i,j;
fin>>n>>s;
fin.close();
d[0]=1;
s=max(s,s*-1);
for(i=1;i<n;i++)
{
for(j=i*(i+1)/2;j>=i;j--)
{
d[j]=(d[j] + d[j-1]);
d[j]%=MOD;
}
}
fout<<d[(n*(n-1)/2-2)/2];
fout.close();
return 0;
}