Cod sursa(job #1997104)

Utilizator refugiatBoni Daniel Stefan refugiat Data 3 iulie 2017 13:13:37
Problema 1-sir Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <iostream>
#include <fstream>
#include <cmath>
#define MOD 194767

using namespace std;
ifstream si("1-sir.in");
ofstream so("1-sir.out");
int din[2][33800];
int main()
{
    int n,s;
    si>>n>>s;
    s=abs(s);
    if(s>n*(n-1)/2)
    {
        cout<<0;
        return 0;
    }
    din[0][0]=1;
    int lim;
    for(int i=2;i<=n;++i)
    {
        lim=i*(i-1)/2;
        for(int j=0;j<=lim;++j)
        {
            din[1][j]=(din[0][(int)abs(j-(i-1))]+din[0][j+i-1])%MOD;
        }
        for(int j=0;j<=lim;++j)
        {
            din[0][j]=din[1][j];
        }
    }
    so<<din[0][s];
    return 0;
}