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Cod sursa(job #48320)
#include <stdio.h>
#include <string.h>
#define tmax 44101
#define Nmax 44101
typedef int vect[Nmax];
vect an,ap,bn,bp;
int n,m;
int x;
#define li -tmax
#define ls tmax
#define A(i) (((i)<0)?(an[-(i)]):(ap[(i)]))
#define B(i) (((i)<0)?(bn[-(i)]):(bp[(i)]))
void citire()
{
FILE * fin=fopen("diamant.in","r");
fscanf(fin,"%d %d %d",&n,&m,&x);
fclose(fin);
}
void afisare()
{
FILE * fout=fopen("diamant.out","w");
fprintf(fout,"%d\n",A(x));
fclose(fout);
}
void dinamic()
{
int i,j,k;
A(0)=1;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
memcpy(bn,an,sizeof(an));
memcpy(bp,ap,sizeof(ap));
for(k=ls;k>=li;k--)
A(k)=(B(k-i*j)+B(k)+B(k+i*j))%10000;
}
}
int main()
{
citire();
dinamic();
afisare();
return 0;
}