6月20日思考题

[c]代码库

#include <stdio.h>
int main() {
  int i, j;
  int *p, *q;
  int a[3][4] = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
  int b[3][4] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 4; j++)
      printf("%-4d", a[i][j]);
    printf("\n");
  }
  printf("\n");
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 4; j++)
      printf("%-4d", b[i][j]);
    printf("\n");
  }
  printf("\n");
  p = &a[0][0];
  for (i = 0; i < 12; i++)
    printf("%-4d", p[i]);
  printf("\n");
  q = &a[0][0];
  for (i = 0; i < 12; i++)
    printf("%-4d", q[i]);
}