Cod sursa(job #1954353)
Utilizator | Data | 5 aprilie 2017 12:46:08 | |
---|---|---|---|
Problema | 1-sir | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.59 kb |
#include <bits/stdc++.h>
#define MOD 194767
using namespace std;
int n,s,i,j,v[67610],x[67610];
int main()
{
ifstream f ("1-sir.in");
ofstream g ("1-sir.out");
f>>n>>s;
s=abs(s);
if(s>n*(n-1)/2)
{
g<<0;
return 0;
}
v[0]=1;
for(i=2; i<=n; ++i)
{
for(j=0; j<=n*(n+1)/2; ++j)
// if(v[j]!=0)
{
x[j]+=v[j];
x[j+i+1]+=v[j];
}
for(j=0; j<=n*(n+1)/2; ++j)
{
v[j]=x[j]%MOD;
x[j]=0;
}
}
g<<v[s];
return 0;
}