Cod sursa(job #1280354)

Utilizator marcelPFake name marcelP Data 1 decembrie 2014 20:51:19
Problema Diamant Scor 90
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.32 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("diamant.in");
ofstream fout("diamant.out");
#define MAX 44120
#define MOD 10000

int rez[MAX*2][2];
int n, m, x, i, j, k;
int main()
{
    fin >> n >> m >> x;
    rez[0+ 44100][1] = 1;
    int dr = 0;
    for(i = 1 ; i <= n ; i++)
    {
        for(j = 1 ; j <=m ; j++)
        {
            int v = (dr++) & 1;
            for(k = -44100 ; k <= 44100 ; k++)
            {
                rez[k + 44100][v] = 0;
            }

            for(k = -44100 ; k <= 44100 ; k++)
            {

                k += 44100;
                if(rez[k][v ^ 1])
                {
                    rez[k][v] += rez[k][v ^ 1];
                    if(rez[k][v] >= MOD)
                        rez[k][v] -= MOD;
                    rez[k + i * j][v] += rez[k][v ^ 1];
                    if(rez[k + i * j][v] >= MOD)
                        rez[k + i * j][v] -= MOD;
                    rez[k - i * j][v] += rez[k][v ^ 1];
                    if(rez[k - i * j][v] >= MOD)
                        rez[k - i * j][v] -= MOD;
                }

                k -= 44100;
            }
        }
    }
    int v = (dr-1) & 1;
    if(x >= -44100 && x <= 44100)
        fout << rez[x + 44100][v] << "\n";
    else
        fout << 0 << "\n";
}