ex3_02.c

来自「[C语言入门经典(第4版)]整本书的源码！值得推荐！全部是最简单的源码！」· C语言 代码 · 共 60 行

/* Exercise 3.2 Display a date */
#include <stdio.h>

int main(void)
{
  int month = 0;
  int day = 0;
  int year = 0;
  printf("Enter the date as three integer values separated by spaces (month day year):\n");
  scanf("%d", &month);
  scanf("%d", &day);
  scanf("%d", &year);
  if(day>3 && day<21 || day>23 && day<31)
    printf("\n%dth ",day);
  else
    printf("\n%d%s ", day, (day%10 == 1 ? "st": (day%10 == 2 ? "nd" : "rd")));

  switch(month)
  {
    case 1:
      printf("January ");
      break;
    case 2:
      printf("February ");
      break;
    case 3:
      printf("March ");
      break;
    case 4:
      printf("April ");
      break;
    case 5:
      printf("May");
      break;
    case 6:
      printf("June");
      break;
    case 7:
      printf("July");
      break;
    case 8:
      printf("August");
      break;
    case 9:
      printf("September");
      break;
    case 10:
      printf("October");
      break;
    case 11:
      printf("November");
      break;
    case 12:
      printf("December");
      break;
  }
  printf(" %d\n", year);
  return 0;
}