问题一 | Topcoder Archive

Problem Statement

è¿æ¯ä¸ä¸ªé®é¢çåè¨ãè¿å0 ã

Definition

Class:: é®é¢ä¸
Method:: æ¹æ³
Parameters:: int
Returns:: int
Method signature:: int æ¹æ³(int x)
(be sure your method is public)

Constraints

Examples

```
1
```
```
Returns: 0
```
```
2
```
```
Returns: 0
```
```
3
```
```
Returns: 0
```
```
4
```
```
Returns: 0
```
```
5
```
```
Returns: 0
```

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