6月20日预习内容

[c]代码库

#include <stdio.h>
int main() {
  int a[3][4] = {{1, 3, 5, 7}, {9, 11, 13, 15}, {17, 19, 21, 23}};
  int *p = &a[0][0];
  //    /*
  printf("*p=%d\n", *p);
  printf("*(p+2)=%d\n\n", *(p + 2));
  printf("*(p+4)=%d\n", *(p + 4));
  printf("p+4=%d\n\n", p + 4);
  printf("a[1]=%d\n", a[1]);
  printf("*a[1]=%d\n", *a[1]);
  printf("*(a+1)=%d\n", *(a + 1));
  printf("*(*(a+1))=%d\n\n", *(*(a + 1)));
  printf("a[1][2]=%d\n", a[1][2]);
  printf("*(a[1]+2)=%d\n", *(a[1] + 2));
  printf("*(*(a+1)+2)=%d\n", *(*(a + 1) + 2));
  printf("*(*(a+1+2))=%d\n\n", *(*(a + 1 + 2)));
  //    */
  printf("*a+1=%d\n", *a + 1);
  printf("*(a+0)+1=%d\n", *(a + 0) + 1);
  printf("a[0]+1=%d\n\n", a[0] + 1);
  printf("*(*a+1)=%d\n", *(*a + 1));
  printf("*(*(a+0)+1)=%d\n", *(*(a + 0) + 1));
  printf("*(a[0]+1)=%d\n", *(a[0] + 1));
}