C / C++ / MFC

#include<br />
#include<br />
#include<br />
#include<br />
#include<br />
<br />
typedef unsigned int WORD;<br />
typedef WORD* WORDPTR;<br />
<br />
WORDPTR *S;<br />
WORDPTR D;<br />
<br />
WORD x_num;<br />
WORD y_num;<br />
<br />
WORD a;<br />
WORD b;<br />
WORD i, j;<br />
int main()<br />
{<br />
puts("------------------ Start --------------------");<br />
puts("");<br />
<br />
a = 0;<br />
printf("Enter a = ");<br />
scanf("%u", &a);<br />
<br />
<br />
b = 0;<br />
printf("Enter b = ");<br />
scanf("%u", &b);<br />
<br />
x_num = 1 << a;<br />
y_num = 1 << b;<br />
<br />
S = (WORDPTR *)malloc(x_num*sizeof(WORDPTR));<br />
if (S == NULL)<br />
{<br />
puts("Error 1!");<br />
return 1;<br />
}<br />
for (i = 0; i < x_num; i++)<br />
{<br />
S[i] = (WORDPTR)malloc(y_num*sizeof(WORD));<br />
if (S[i] == NULL)<br />
{<br />
puts("Error 2!");<br />
return 1;<br />
}<br />
}<br />
<br />
D = (WORDPTR)malloc(y_num*sizeof(WORD));<br />
if (D == NULL)<br />
{<br />
puts("Error 3!");<br />
return 1;<br />
}<br />
puts("OK!");<br />
<br />
return (0);<br />
}