Cod sursa(job #1232085)

Utilizator afkidStancioiu Nicu Razvan afkid Data 21 septembrie 2014 23:36:47
Problema Diamant Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1 kb
#include <cstdio>
#define mod 10000

using namespace std;

int n,m,x,t[401];
int v[2][100000];


int main()
{
    int val,nr=0;
    freopen("diamant.in","r",stdin);
    freopen("diamant.out","w",stdout);
    scanf("%d %d %d",&n,&m,&x);
    if(x<0)
        x=-x;
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=m;++j)
        {
           t[++nr]=i*j;
           val+=t[nr];
        }
    }
    if(x>val)
    {
        printf("0\n");
        return 0;
    }
    v[0][0]=1;
    for(int i=1;i<=nr;++i)
    {
        for(int k=val;k>=0;--k)
        {
            if(k-t[i]<0)
                {
                    v[1][k]+=v[0][-k+t[i]];
                }
            else
            {
                v[1][k]+=v[0][k-t[i]];
            }
            v[1][k]+=v[0][k+t[i]];
        }
        for(int k=0;k<=val;++k)
        {
            v[0][k]+=v[1][k];
            v[0][k]%=mod;
            v[1][k]=0;
        }
    }
    printf("%d\n",v[0][x]);
    return 0;
}