Cod sursa(job #1805397)

Utilizator ionanghelinaIonut Anghelina ionanghelina Data 13 noiembrie 2016 18:48:10
Problema Diamant Scor 100
Compilator cpp Status done
Runda Teme Pregatire ACM Unibuc 2013 Semestrul 2 Marime 0.92 kb
#include<bits/stdc++.h>
#define delta 44100
#define MOD 10000
using namespace std;
int n,m,x;
int v[1000000],add[1000000];
int main()
{
    freopen("diamant.in","r",stdin);
    freopen("diamant.out","w",stdout);
    scanf("%d%d%d",&n,&m,&x);
    if(x>delta || x<-delta)
    {
        printf("0\n");
        return 0;
    }
    v[1000+delta]=1;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            for(int k=-delta-1000;k<=delta;k++) add[1000+k+delta]=0;
            for(int k=-delta;k<=delta;k++)
            {
                if(v[1000+k+delta])
                {
                    add[1000+k+delta+i*j]+=v[1000+k+delta];
                    add[1000+k+delta-i*j]+=v[1000+k+delta];
                }
            }
            for(int k=1000-(i*j);k<=(1000+2*delta+i*j);k++) v[k]=(v[k]+add[k])%MOD;
        }
    }
    printf("%d\n",v[1000+x+delta]%MOD);
    return 0;
}