if(i%4==0&&1%100!=0||i%400==0){
```cpp
1%100==0
```
6
by haley002 @ 2024-09-07 16:12:04
还有
```cpp
i%4==0&&i%100!=0
```
要加括号
by haley002 @ 2024-09-07 16:13:45
```cpp
for(int i=x;i<y;i++){
```
是```i<=y```
by haley002 @ 2024-09-07 16:14:52