Cod sursa(job #1876889)

Utilizator leraValeria lera Data 12 februarie 2017 18:34:15
Problema Diamant Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("diamant.in");
ofstream fout("diamant.out");
int n,m,x;
int v[405],act[100005],pre[100005],lg,s,S0;
const int mod=10000;
int main()
{
    fin>>n>>m>>x;
    if(x>44100 || x<-44100)
    {
        fout<<0;
        return 0;
    }
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            v[++lg]=i*j;
    S0=50000;
    for(int j=S0-1;j<=S0+1;j++)pre[j]=1;
    s=1;
    for(int i=2;i<=lg;i++)
    {
        s+=v[i];
        for(int j=S0-s;j<=S0+s;j++)
            act[j]=(pre[j-v[i]]%mod+pre[j+v[i]]%mod+pre[j]%mod)%mod;
        for(int j=S0-s;j<=S0+s;j++)
            pre[j]=act[j];
    }
    fout<<pre[S0+x];
    return 0;
}