Cod sursa(job #1093915)

Utilizator japjappedulapPotra Vlad japjappedulap Data 28 ianuarie 2014 19:14:07
Problema Diamant Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.8 kb
#include <fstream>
using namespace std;

int DP1[90000];
int DP2[90000];
#define DP1 (DP1 + 45000)
#define DP2 (DP2 + 45000)
#define MOD 10000

ifstream is ("diamant.in");
ofstream os ("diamant.out");

int n, m, p, sum;

int main()
{
    is >> n >> m >> p;
    if (p > 44100 || p < -44100)
    {
        os << 0;
        return 0;
    }
    DP2[0] = 1;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= m; ++j)
        {
            sum += i*j;
            for (int k = -sum; k <= +sum; ++k)
            {
                DP1[k] = DP2[k];
                DP2[k] = 0;
            }
            for (int k = -sum; k <= +sum; ++k)
                DP2[k] = (DP1[k] + DP1[k+i*j] + DP1[k-i*j])%MOD;
        }
    os << DP2[p];
    is.close();
    os.close();
    return 0;
}