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输入年月(switch语句)

全栈顾问 2022-04-02 阅读 98
c语言
#include<stdio.h>
int main()
{
	int year,month,days;
	printf("输入年月:");
	scanf("%d,%d",&year,&month);
	switch(month)
	{
		case 1:
		case 3:
		case 5:
	    case 7:
	    case 8:
	    case 10:
	    case 12:
	    	days=31;
	    	break;
	    case 4:
	    case 6:
	    case 9:
	    case 11:
	         days=30;
	         break;
	    case 2:
	    	if((year%400)||(year%4==0&&year%100!=0))
	    	days=29;
	    	else
	    	days=28;
	    	break;
	 } 
	 printf("%d年%d月的天数是%d天\n",year,month,days);
	 return 0;
 } 
输入年月:2022,2
2022年2月的天数是29天
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