Cod sursa(job #846017)

Utilizator mirceadinoMircea Popoveniuc mirceadino Data 1 ianuarie 2013 12:29:03
Problema Diamant Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.7 kb
#include<cstdio>

#define XMAX 60000+20

int i,j,n,m,x,k,An[2][XMAX],Ap[2][XMAX],s;
bool p;

#define A(p,i) (((i)<0)?(An[(p)][-(i)]):(Ap[(p)][(i)]))

using namespace std;
int main()
{
    freopen("diamant.in","r",stdin);
    freopen("diamant.out","w",stdout);
    scanf("%d%d%d",&n,&m,&x);
    for(i=1;i<=n;i++)
        for(j=1;j<=m;j++)
            s+=i*j;
    if(x>s || x<-s) {printf("0\n"); return 0;}
    A(0,0)=1;
    for(i=1,p=1;i<=n;i++)
        for(j=1;j<=m;j++,p=!p)
        {
            for(k=s;k>=-s;k--)
            {
                A(p,k)=A(!p,k-i*j)+A(!p,k)+A(!p,k+i*j);
                A(p,k)%=10000;
            }
        }
    printf("%d\n",A(!p,x));
    return 0;
}