3,4,5 WA
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3,4,5 WA
746115
z1999921C楼主2022/8/4 20:35
#include<stdio.h>
int main() {
	int y, m;
	scanf("%d%d", &y, &m);
	if (y % 400 == 0 && m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 11 || m == 12) {
		printf("%d", 31); 
	}
	else if (y % 400 == 0 && m == 4 || m == 6 || m == 9 || m == 11) {
		printf("%d", 30);
	}
	else if (y % 100 != 0 && y % 4 == 0 && m == 2) {
			printf("%d", 28);
		}else {
			printf("%d", 29);
		}
}
2022/8/4 20:35
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