Cod sursa(job #2281209)

Utilizator YouDontNeedMyNameJurcut Paul YouDontNeedMyName Data 11 noiembrie 2018 18:01:39
Problema 1-sir Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.49 kb
#include <bits/stdc++.h>
#define mod 194767
using namespace std;
ifstream in("1-sir.in");
ofstream out("1-sir.out");
int d[2][35000];
int main()
{
    int n,s;
    in >> n >> s;
    if(n*(n-1)/2<s)
    {
        out << 0;
        return 0;
    }
    d[1][0]=1;
    for(int i=2; i<=n; i++)
    {
        for(int j=0; j<=i*(i-1)/2; j++)
        {
            d[i%2][j]=(d[(i-1)%2][abs(j-(i-1))]+d[(i-1)%2][j+i-1])%mod;
        }
    }
    out << d[n%2][abs(s)];
    return 0;
}