Cod sursa(job #1651732)

Utilizator razvandRazvan Dumitru razvand Data 13 martie 2016 19:29:56
Problema 1-sir Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.52 kb
#include <iostream>
#include <fstream>
#include <algorithm>
#define MOD 194767

using namespace std;

ifstream in("1-sir.in");
ofstream out("1-sir.out");

int m[2][33000];

int main() {

    int n,s;
    in >> n >> s;

    m[0][0] = 1;

    for(int i = 2; i <= n; i++) {
        for(int j = 0; j <= i*(i-1)/2; j++)
            m[1][j] = (m[0][abs(j-(i-1))]+m[0][abs(j+(i-1))])%MOD;
        for(int j = 0; j <= i*(i-1)/2; j++)
            m[0][j] = m[1][j];
    }

    out << m[0][abs(s)];

    return 0;
}