Declare a pointer to an array that has 10 ints in each row: allocate memory to hold a 4 x 10 array : Pointer Array « Pointer « C / ANSI-C

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C / ANSI-C » Pointer » Pointer ArrayScreenshots 
Declare a pointer to an array that has 10 ints in each row: allocate memory to hold a 4 x 10 array

#include <stdio.h>
#include <stdlib.h>

int pwr(int a, int b);

int main(void)
{
  int (*p)[10]

  register int i, j;

  p = malloc(40 * sizeof(int));

  if(!p) {
    printf("Memory request failed.\n");
    exit(1);
  }

  for(j = 1; j < 11; j++)
    for(i = 1; i < 5; i++
        pi - 1][j - 1= pwr(j, i);

  for(j = 1; j < 11; j++) {
    for(i = 1; i < 5; i++
        printf("%10d ", p[i-1][j-1]);
    printf("\n");
  }

  return 0;
}

/* Raise an integer to the specified power. */
pwr(int a, int b)
{
  register int  t=1;

  for(; b; b--t = t*a;
  return t;
}

  

           
       
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