强化练习2:编程实现统计某年某月份的天数

xiaoxiao2021-02-28  102

口诀:

一三五七八十腊1,3,5,7,8,10,12,31天永不差, 平年二月28,闰年二月29,其他月份三十天。

程序如下:

#include <stdio.h> int main() { int year; int 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 && year0 != 0) || (year@0 == 0)) { printf("29\n"); break; } else { printf("28\n"); break; } default: printf("输入月份错误\n"); break; } return 0; }

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