明解入门练习5-4

#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

#define ABC 5
int main(){
  int x;
  
  int a[ABC];
  

  for (x = 0; x < ABC; x++)
  {
    printf("a[%d]:", x);
    scanf("%d", &a[x]);
  }


  puts("倒叙排列了。");

  for (x = 0; x < (ABC/2); x++)
  {
    int c = a[x];
    a[x] = a[ABC-1 - x];
    a[ABC-1 - x] = c;
  }

  for (x = 0; x < ABC; x++)
    printf("a[%d]=%d\n", x, a[x]);

  return 0;
}