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Cod sursa(job #429550)
#include <fstream>
using namespace std;
const int MOD = 10000;
const int MAX = 44100;
ifstream fin ("diamant.in");
ofstream fout ("diamant.out");
int N, M, X, A[2*MAX + 5];
int main()
{
fin >> N >> M >> X;
if(X < -MAX || X > MAX)
{
fout << 0;
return 0;
}
int aux[2*MAX + 5];
A[MAX] = 1;
for(int i = 1; i <= N; ++i)
for(int j = 1; j <= M; ++j)
{
for(int k = 0; k <= 2*MAX; ++k)
aux[k] = A[k];
for(int k = 0; k <= 2*MAX; ++k)
if(aux[k])
{
if(k >= i*j)
{
A[k-i*j] += aux[k];
if(A[k-i*j] >= MOD)
A[k-i*j] -= MOD;
}
if(k+i*j <= 2*MAX)
{
A[k+i*j] += aux[k];
if(A[k+i*j] >= MOD)
A[k+i*j] -= MOD;
}
}
}
fout << A[MAX + X];
}