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Cod sursa(job #973280)
#include<stdio.h>
#include<stdlib.h>
#define MOD 194767
int v[2][65540];
int main()
{
freopen("1-sir.in","r",stdin);
freopen("1-sir.out","w",stdout);
int n,i,j,S,s,l;
scanf("%d%d",&n,&s);
S=n*(n-1)/2;
if(s>S)
{
printf("0\n");
return 0;
}
v[1][0]=1;
l=0;
for(i=2;i<=n;++i)
{
for(j=0;j<=S;++j)
{
v[l][j]=v[1-l][j+i-1]+v[1-l][abs(j-i+1)];
if(v[l][j]>=MOD)
v[l][j]-=MOD;
}
l=1-l;
}
printf("%d\n",v[1-l][s]);
return 0;
}