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Cod sursa(job #35515)
#include<fstream>
#include<stdio.h>
#define cst 44100
using namespace std;
int ant[89000],crt[89000];
int main()
{
FILE *fin=fopen("diamant.in","r"),
*fout=fopen("diamant.out","w");
int m,n,q,i,j,k;
fscanf(fin,"%d%d%d",&m,&n,&q);
if(q>44100 || q<-44100)
fprintf(fout,"0\n");
else
{
ant[cst]=1;
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
{
for(k=0;k<=cst*2;k++)
{
crt[k]=ant[k];
if(k-i*j>=0)
crt[k]+=ant[k-i*j];
if(k+i*j<=2*cst)
crt[k]+=ant[k+i*j];
crt[k]%=10000;
}
memcpy(ant,crt,sizeof ant);
}
fprintf(fout,"%d\n",ant[q+cst]);
}
fclose(fin);
fclose(fout);
return 0;
}