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Cod sursa(job #784066)
#include <fstream>
#include <string.h>
#define MOD 10000
#define DIM 21
using namespace std;
int V[DIM*DIM/4 * (DIM+1)*(DIM+1)];
int W[DIM*DIM/4 * (DIM+1)*(DIM+1)];
int *P = V + (DIM*DIM/4 * (DIM+1)*(DIM+1))/2;
int *Q = W + (DIM*DIM/4 * (DIM+1)*(DIM+1))/2;
int N, M, i, j, k, t, v, minim, maxim, X;
int main() {
ifstream f("diamant.in");
ofstream g("diamant.out");
f>>N>>M>>X;
P[0] = 1;
for (i=1;i<=N;i++)
for (j=1;j<=M;j++){
for (k=-1;k<=1;k++) {
v = i*j*k;
for (t=minim;t<=maxim;t++)
if (P[t]!=0) {
Q[t+v]+=P[t];
Q[t+v] %= MOD;
if (t+v > maxim)
maxim = t+v;
if (t+v < minim)
minim = t+v;
}
}
memcpy(V, W, sizeof(V));
memset(W, 0, sizeof(W));
}
g<<P[X];
return 0;
}