-if ¹®À¸·Î ±¸Çö
int year,month;
scanf("%d %d",&year,&month);
if ( month==1 ||month==3||month==5||month==7||month==8||month==10||month==12 ) {
printf("31\n");
}else if ( month==4 || month==6 || month==9 || month==11) {
printf("30\n");
}else {
if (year % 4 ==0 && year%100 != 0 || year % 400 ==0){
printf("29\n");
}else {
printf("28\n");
}
}
-switch ¹®À¸·Î ±¸Çö
int year,month;
scanf("%d %d",&year,&month);
switch ( month ) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
printf("31\n");break;
case 4:
case 6:
case 9:
case 11:
printf("30\n");break;
case 2:
if ( year % 4 == 0 && year % 100 != 0 || year % 400 == 0 ) {
printf("29\n");
}else {
printf("28\n");
}
}