Cod sursa(job #2680810)

Utilizator pielevladutPiele Vladut Stefan pielevladut Data 4 decembrie 2020 14:03:00
Problema 1-sir Scor 50
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.51 kb
#include <bits/stdc++.h>
#define MOD 194767
using namespace std;
ifstream fin("1-sir.in");
ofstream fout("1-sir.out");
int N, S;
int dp[111][11111];
///dp[i][j] -> numarul de siruri de lungime i care au suma j
int main()
{
    fin >> N >> S;
    dp[1][0] = 1;
    for(int i = 2; i <= N; i ++)
    {
        for(int j = 0; j <= i * (i-1) / 2; j ++)
        {
            dp[i][j]=dp[i-1][abs(j + (i-1))]+dp[i-1][abs(j -(i-1))];
            dp[i][j] %= MOD;
        }
    }
    fout << dp[N][S] << '\n';
}