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Cod sursa(job #736775)
#include <fstream>
#define DN 45005
#define MOD 10000
using namespace std;
int p[DN],q[DN];
int main()
{
int n,m,s,smax=0;
ifstream f("diamant.in");
ofstream g("diamant.out");
f>>n>>m>>s;
for(int i=1; i<=n; ++i)
for(int j=1; j<=m; ++j)
smax+=i*j;
if(s>smax || s<-smax)
{
g<<"0";
return 0;
}
q[0]=q[1]=1;
for(int i=1; i<=n; ++i)
for(int j=1; j<=m; ++j)
if(1!=i || 1!=j)
{
for(int k=0; k<=smax; ++k)
p[k]=q[k];
for(int k=0; k<=smax; ++k)
{
if(i*j<=k)
q[k]=p[k]+q[k+i*j]+p[k-i*j];
else
q[k]=p[k]+q[k+i*j]+p[i*j-k];
q[k]%=MOD;
}
}
if(0<s)
g<<q[s];
else
g<<q[-s];
return 0;
}