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Cod sursa(job #34791)
# include <stdio.h>
# include <string.h>
# define _fin "diamant.in"
# define _fout "diamant.out"
# define maxn 45000
int an[maxn+1], ap[maxn+1],
bn[maxn+1], bp[maxn+1];
# define a(i) (i<0?an[-(i)]:ap[i])
# define b(i) (i<0?bn[-(i)]:bp[i])
int main()
{
freopen(_fin, "r", stdin);
freopen(_fout,"w", stdout);
int i, j, s, n, m, k;
scanf("%d%d%d", &n, &m, &k);
if ( k > maxn ) {
printf("0\n");
return 0;
}
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 (s=maxn; s>=-maxn; s--)
a(s)=(b(s-i*j)+b(s)+b(s+i*j))%10000;
}
printf("%d\n", a(k));
return 0;
}