Cod sursa(job #2223261)

Utilizator 12222Fendt 1000 Vario 12222 Data 19 iulie 2018 16:08:49
Problema Diamant Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.84 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("diamant.in");
ofstream fout("diamant.out");

const int MOD=1e4;
int n,m,x,maxim,lg;
int v[402],dp[2][91003];

int main()
{
    fin>>n>>m>>x;

    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
        {
            maxim+=i*j;
            v[++lg]=i*j;
        }

    if(abs(x)>maxim)
    {
        fout<<0<<"\n";
        return 0;
    }

    int lin=0;

    x+=45000;
    dp[lin][45000]=1;
    for(int i=1;i<=lg;i++)
    {
        lin=1-lin;
        for(int j=0;j<=90000;j++)
        {
            dp[lin][j]=dp[1-lin][j];
            if(j>=v[i])dp[lin][j]+=dp[1-lin][j-v[i]];
            dp[lin][j]+=dp[1-lin][j+v[i]];
            dp[lin][j]%=MOD;
        }
    }

    fout<<dp[lin][x]<<"\n";
    fin.close();
    fout.close();
    return 0;
}