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Cod sursa(job #893296)
#include<stdio.h>
#include<algorithm>
using namespace std;
int X,M,N,s[2][90000],t[401];
int main()
{
freopen("diamant.in","r",stdin);
freopen("diamant.out","w",stdout);
scanf("%d%d%d",&N,&M,&X);
if((X<-N*M*(M+1)*(N+1)/4)||(X>N*M*(M+1)*(N+1)/4))
{
printf("%d",0);
return 0;
}
for(int i=1;i<=M*N;++i)
{
t[i]=t[i-1]+2*((i-1)/M +1)*((i-1)%M+1);
}
X=X+N*M*(M+1)*(N+1)/4;
s[0][0]=1;
s[0][1]=1;
s[0][2]=1;
for(int i=2;i<=N*M;++i)
{
for(int j=0;j<=min(t[i],X);++j)
{
s[1][j]=s[0][j];
if(j>=((i-1)/M +1)*((i-1)%M+1))
s[1][j]=(s[1][j]+s[0][j-((i-1)/M +1)*((i-1)%M+1)])%10000;
if(j>=2*((i-1)/M +1)*((i-1)%M+1))
s[1][j]=(s[1][j]+s[0][j-2*((i-1)/M +1)*((i-1)%M+1)])%10000;
}
for(int j=0;j<=min(t[i],X);++j)
{
s[0][j]=s[1][j];
}
}
printf("%d",s[0][X]);
return 0;
}