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Cod sursa(job #956317)
#include <fstream>
#include <cstdlib>
using namespace std;
ifstream f("diamant.in");
ofstream g("diamant.out");
int v[2][100002];
int main()
{
int n,m,x;
f>>n>>m>>x;
int s=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
s+=i*j;
if(s<abs(x)){
g<<0;
return 0;
}
int t=1;
v[0][0]=1;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
int a=i*j;
for(int l=0;l<=s;l++){
v[t][l]=v[1-t][l]+v[1-t][l+a]+v[1-t][abs(l-a)];
while(v[t][l]>10000)
v[t][l]-=10000;
}
t=1-t;
}
if(n*m)
g<<v[1][abs(x)];
else
g<<v[0][abs(x)];
return 0;
}