@[AAAuc03](/user/923362) 别用快捷方法，老老实实的写判断闰年函数 ```ccp bool run(int x) { retrun ((x % 4 == 0 && x % 100 != 0) || (x % 400 == 0)); } ``` ~~随手写的，有可能是错的~~ by XiaoHongChong @ 2024-09-21 20:08:26