Cod sursa(job #2587732)

Utilizator malakayMarius Andronie malakay Data 23 martie 2020 14:53:23
Problema Diamant Scor 90
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.86 kb
#pragma GCC optimize (-O2)
#include <fstream>
#include <iostream>
#include <vector>
#define mod 10000
#define M 50000
using namespace std;

int n,m,x,mx;

int main()
{
    ifstream f("diamant.in");f.tie(0);
    ofstream g("diamant.out");g.tie(0);
    f>>n>>m>>x;
    f.close();

    vector<int> e;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            mx+=i*j,e.push_back(i*j);
    vector<int>curr(2*M+69),prev(2*M+69);

    curr[M+0]=1;


    if(abs(x)>mx)
    {
        g<<0;
        g.close();
        return 0;
    }

    for(auto &it:e)
    {
        swap(curr,prev);
        for(int ac=M-mx;ac<=M+mx;ac++)
        {
            curr[ac]=prev[ac];
            curr[ac]+=prev[ac-it];
            curr[ac]+=prev[ac+it];
            curr[ac]%=mod;
        }

    }

    g<<curr[x+M];

    g.close();
    return 0;
}