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Cod sursa(job #709387)
#include<fstream>
#define mod 10000
using namespace std;
int n,m,i,j,sol[100001],v[100001],k;
int cal,cmax,sum,s;
int main()
{
freopen("diamant.in","r",stdin);
freopen("diamant.out","w",stdout);
scanf("%d %d %d",&n,&m,&cal);
for(i=1;i<=n;++i)
for(j=1;j<=m;++j)
cmax+=i*j;
if (cal>cmax||cal<-cmax)
printf("0\n");
else
{
v[cmax]= 1;
for(i=1;i<=n;++i)
for(j=1;j<=m;++j)
{
for(k=-cmax;k<=cmax;++k)
sol[k+cmax]=(v[k+cmax]+v[k+i*j+cmax]+v[k-i*j+cmax])%mod;
for(k=-cmax;k<=cmax;++k)
v[k+cmax]=sol[k+cmax];
}
printf("%d\n",sol[cal+cmax] );
}
return 0;
}