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Cod sursa(job #8495)
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define MOD 194767
#define NMAX 256
#define SMAX NMAX*(NMAX+1)/2
int nr[2][SMAX];
int N,S;
int main()
{
freopen("1-sir.in", "r", stdin);
freopen("1-sir.out", "w", stdout);
scanf("%d %d", &N, &S);
nr[1][0] = 1;
int cur, prev;
for (int i = 2; i<=N; ++i)
{
for (int j = 0; j<=i*(i-1)/2; ++j)
{
cur = i % 2;
prev = 1-cur;
nr[cur][j] = (nr[prev][abs(j-(i-1))] + nr[prev][j+(i-1)]) % MOD;
}
}
printf("%d", nr[cur][S]);
}