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notes/编写可读代码的艺术.md
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<!-- GFM-TOC -->
* [?? 1 ?? ???????????](#??-1-??-???????????)
* [?? 2 ?? ?????????????](#??-2-??-?????????????)
* [?? 3 ?? ??????????????](#??-3-??-??????????????)
* [?? 4 ?? ??????????](#??-4-??-??????????)
* [?? 5 ?? ??<3F><>???](#??-5-??-??<3F><>???)
* [?? 6 ?? ??<3F><>?<3F><>???](#??-6-??-??<3F><>?<3F><>???)
* [?? 7 ?? ??????????????](#??-7-??-??????????????)
* [?? 8 ?? ????????](#??-8-??-????????)
* [?? 9 ?? ??????????](#??-9-??-??????????)
* [?? 10 ?? ???????](#??-10-??-???????)
* [?? 11 ?? ???????????](#??-11-??-???????????)
* [?? 12 ?? ????????????????](#??-12-??-????????????????)
* [?? 13 ?? ?????????](#??-13-??-?????????)
* [<EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD> <20>ɶ<EFBFBD><C9B6>Ե<EFBFBD><D4B5><EFBFBD>Ҫ<EFBFBD><D2AA>](#<EFBFBD><EFBFBD>-1-<EFBFBD><EFBFBD>-<2D>ɶ<EFBFBD><C9B6>Ե<EFBFBD><D4B5><EFBFBD>Ҫ<EFBFBD><D2AA>)
* [<EFBFBD><EFBFBD> 2 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뺬<EFBFBD><EBBAAC>](#<EFBFBD><EFBFBD>-2-<EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뺬<EFBFBD><EBBAAC>)
* [<EFBFBD><EFBFBD> 3 <EFBFBD><EFBFBD> <20><><EFBFBD>ֲ<EFBFBD><D6B2>ܴ<EFBFBD><DCB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-3-<EFBFBD><EFBFBD>-<2D><><EFBFBD>ֲ<EFBFBD><D6B2>ܴ<EFBFBD><DCB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD> 4 <EFBFBD><EFBFBD> <20><><EFBFBD>õĴ<C3B5><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-4-<EFBFBD><EFBFBD>-<2D><><EFBFBD>õĴ<C3B5><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD> 5 <EFBFBD><EFBFBD> <20><>дע<D0B4><D7A2>](#<EFBFBD><EFBFBD>-5-<EFBFBD><EFBFBD>-<2D><>дע<D0B4><D7A2>)
* [<EFBFBD><EFBFBD> 6 <EFBFBD><EFBFBD> <20><><EFBFBD>α<EFBFBD>дע<D0B4><D7A2>](#<EFBFBD><EFBFBD>-6-<EFBFBD><EFBFBD>-<2D><><EFBFBD>α<EFBFBD>дע<D0B4><D7A2>)
* [<EFBFBD><EFBFBD> 7 <EFBFBD><EFBFBD> <20><><EFBFBD>߿<EFBFBD><DFBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀɶ<C4BF><C9B6><EFBFBD>](#<EFBFBD><EFBFBD>-7-<EFBFBD><EFBFBD>-<2D><><EFBFBD>߿<EFBFBD><DFBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀɶ<C4BF><C9B6><EFBFBD>)
* [<EFBFBD><EFBFBD> 8 <EFBFBD><EFBFBD> <20><><EFBFBD>ֳ<EFBFBD><D6B3><EFBFBD><EFBFBD><EFBFBD>ʽ](#<EFBFBD><EFBFBD>-8-<EFBFBD><EFBFBD>-<2D><><EFBFBD>ֳ<EFBFBD><D6B3><EFBFBD><EFBFBD><EFBFBD>ʽ)
* [<EFBFBD><EFBFBD> 9 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD>](#<EFBFBD><EFBFBD>-9-<EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD>)
* [<EFBFBD><EFBFBD> 10 <EFBFBD><EFBFBD> <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-10-<EFBFBD><EFBFBD>-<2D><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD> 11 <EFBFBD><EFBFBD> һ<><D2BB>ֻ<EFBFBD><D6BB>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-11-<EFBFBD><EFBFBD>-һ<><D2BB>ֻ<EFBFBD><D6BB>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD> 12 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-12-<EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD> 13 <EFBFBD><EFBFBD> <20><><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD><EFBFBD>](#<EFBFBD><EFBFBD>-13-<EFBFBD><EFBFBD>-<2D><><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD><EFBFBD>)
<!-- GFM-TOC -->
# ?? 1 ?? ???????????
# <EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD> <20>ɶ<EFBFBD><C9B6>Ե<EFBFBD><D4B5><EFBFBD>Ҫ<EFBFBD><D2AA>
????<3F><>?????????????????????????????????????????????????????????????????????????????????<3F><>???
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>кܴ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ķ<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵Ĵ<EFBFBD><EFBFBD>롣<EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߱<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ʡ<EFBFBD>
??????????????????????????????????????????????????????????????????????
<EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD>Ը<EFBFBD><EFBFBD>ȥ<EFBFBD>޸<EFBFBD><EFBFBD>ⲿ<EFBFBD>ִ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸ġ<EFBFBD>
???????????????<3F><>???????????????????????????<3F><>??
ֻ<EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ч<EFBFBD>ʲſ<EFBFBD><EFBFBD>Է<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD>һλ<EFBFBD><EFBFBD>
# ?? 2 ?? ?????????????
# <EFBFBD><EFBFBD> 2 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뺬<EFBFBD><EBBAAC>
?<3F><>????<3F><>??????????
һЩ<EFBFBD>Ƚ<EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD>ʣ<EFBFBD>
| ???? | ????????? |
| <EFBFBD><EFBFBD><EFBFBD><EFBFBD> | <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
| --- | --- |
| send | deliver??dispatch??announce??distribute??route |
| find | search??extract??locate??recover |
| start| launch??create??begin??open|
|make|create??set up??build??generate??compose??add??new|
| send | deliver<EFBFBD><EFBFBD>dispatch<EFBFBD><EFBFBD>announce<EFBFBD><EFBFBD>distribute<EFBFBD><EFBFBD>route |
| find | search<EFBFBD><EFBFBD>extract<EFBFBD><EFBFBD>locate<EFBFBD><EFBFBD>recover |
| start| launch<EFBFBD><EFBFBD>create<EFBFBD><EFBFBD>begin<EFBFBD><EFBFBD>open|
|make|create<EFBFBD><EFBFBD>set up<EFBFBD><EFBFBD>build<EFBFBD><EFBFBD>generate<EFBFBD><EFBFBD>compose<EFBFBD><EFBFBD>add<EFBFBD><EFBFBD>new|
??? i??j??k ?????????????????????????????????<3F><>??????????????????? user_i??member_i?????????????????????????<3F><>???????????????????????
ʹ<EFBFBD><EFBFBD> i<><69>j<EFBFBD><6A>k <20><>Ϊѭ<CEAA><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǻõģ<C3B5>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӹ<EFBFBD><D3B8>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD> user_i<EFBFBD><EFBFBD>member_i<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֿɶ<EFBFBD><EFBFBD>Ի<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?????????????????????????????<3F><>??????????????????????????????????????????????????????????????????????????<3F><>???????
Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴʵ<EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>䳤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD><EFBFBD>̵<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD>
# ?? 3 ?? ??????????????
# <EFBFBD><EFBFBD> 3 <EFBFBD><EFBFBD> <20><><EFBFBD>ֲ<EFBFBD><D6B2>ܴ<EFBFBD><DCB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
??????????????<3F><>?????????????<3F>ܦ<EFBFBD>???????????????????????<3F>^
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ˼<EFBFBD><EFBFBD>һ<EFBFBD>±<EFBFBD><EFBFBD>˻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>кν<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>᲻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD>塣
?? min??max ?????????<3F><>??
<EFBFBD><EFBFBD> min<EFBFBD><EFBFBD>max <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD>
?? first??last ???????????????<3F><>??begin??end ???????????????<3F><>???? end ??????<3F><>????
<EFBFBD><EFBFBD> first<EFBFBD><EFBFBD>last <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ʿռ<EFBFBD><EFBFBD>İ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD>begin<EFBFBD><EFBFBD>end <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ʿռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ų<EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> end <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>β<EFBFBD><CEB2><EFBFBD><EFBFBD>
![](https://github.com/CyC2018/InterviewNotes/blob/master/pics/26772ecc-a3e3-4ab7-a46f-8b4656990c27.jpg)
???????????????? is??can??should??has ??????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> is<EFBFBD><EFBFBD>can<EFBFBD><EFBFBD>should<EFBFBD><EFBFBD>has <EFBFBD><EFBFBD>ǰ׺<EFBFBD><EFBFBD>
# ?? 4 ?? ??????????
# <EFBFBD><EFBFBD> 4 <EFBFBD><EFBFBD> <20><><EFBFBD>õĴ<C3B5><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
???????<3F><>?????
<EFBFBD>ʵ<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>к<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD>ͣ<EFBFBD>
```
int a = 1; // ???
int b = 11; // ???
int c = 111; // ???
int a = 1; // ע<EFBFBD><EFBFBD>
int b = 11; // ע<EFBFBD><EFBFBD>
int c = 111; // ע<EFBFBD><EFBFBD>
```
?????????????????? html ??????????????????<3F><>???? html ?<3F><>????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> html <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ĸ<EFBFBD>ֵӦ<D6B5>úͱ<C3BA><CDB1><EFBFBD><EFBFBD><EFBFBD> html <20>е<EFBFBD>˳<EFBFBD><CBB3>һ<EFBFBD>£<EFBFBD>
?????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>صĴ<EFBFBD><EFBFBD>밴<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
# ?? 5 ?? ??<3F><>???
# <EFBFBD><EFBFBD> 5 <EFBFBD><EFBFBD> <20><>дע<D0B4><D7A2>
????????????????????????????????????????????????????????<3F><>???????????????????<3F><>???????????????????????????????????????<3F><>??? getter ?? setter ?????????<3F><>????<3F><>?????????????????<EFBFBD><EFBFBD>
<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD>ע<EFBFBD>⵽ע<EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD>û̫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>ͻ<EFBFBD><EFBFBD>˷Ѵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>䡣<EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD>ֱ<EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD>벻<EFBFBD><EFBFBD>Ҫдע<EFBFBD>ͣ<EFBFBD><EFBFBD>ر<EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪΪÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD>򵥵<EFBFBD> getter <EFBFBD><EFBFBD> setter <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>дע<EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD>Ը<EFBFBD><EFBFBD>
???????????????????????????????????????????<3F><>????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>ע<EFBFBD>;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>дע<EFBFBD>͡<EFBFBD>
??????????????????????????????????????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>취<EFBFBD><EFBFBD>˼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD>ö<EFBFBD><EFBFBD>߸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣
????????????<3F><>?????????
ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?? TODO ????????
<EFBFBD><EFBFBD> TODO <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>
| ??? | ?<3F><>? |
| <EFBFBD><EFBFBD><EFBFBD><EFBFBD> | <20>÷<EFBFBD> |
|---|---|
|TODO| ???? |
|FIXME| ????? |
|HACH| ?????????? |
|XXX| <EFBFBD><EFBFBD>?????????????????? |
|TODO| <EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
|FIXME| <EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD> |
|HACH| <EFBFBD>ֲڵĽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
|XXX| Σ<EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
# ?? 6 ?? ??<3F><>?<3F><>???
# <EFBFBD><EFBFBD> 6 <EFBFBD><EFBFBD> <20><><EFBFBD>α<EFBFBD>дע<D0B4><D7A2>
????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD>
```
// The first String is student's name
@ -99,7 +99,7 @@ Map<String, Integer> scoreMap = new HashMap<>();
Map<String, Integer> scoreMap = new HashMap<>();
```
?????????????????
<EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
```
//...
@ -109,7 +109,7 @@ int add(int x, int y) {
}
```
???????????????<3F><>?????????????????
<EFBFBD>ںܸ<EFBFBD><EFBFBD>ӵĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD>
```
int a = 1;
@ -117,37 +117,37 @@ int b = 2;
int num = add(\* x = *\ a, \* y = *\ b);
```
???????????????????????????????????????????????
ʹ<EFBFBD><EFBFBD>רҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵĽ<EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣
# ?? 7 ?? ??????????????
# <EFBFBD><EFBFBD> 7 <EFBFBD><EFBFBD> <20><><EFBFBD>߿<EFBFBD><DFBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀɶ<C4BF><C9B6><EFBFBD>
?????????<3F><>?????????????????????????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DZ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD>dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>
```
if(len < 10)
if(10 > len)
```
if / else ??????????????????????? ????????? ????????????????
if / else <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>䣬<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD> <20>ؼ<EFBFBD><D8BC>߼<EFBFBD><DFBC><EFBFBD><EFBFBD>ۣ<EFBFBD><DBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD>
```
if(a == b) {
// ?????
// <EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD>
} else{
// ?????
// <EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD>
}
```
??????????????????? ? : ???????????????????????????<3F><>??? if / else??
ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD>򵥵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> ? : <20><>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>գ<EFBFBD><D5A3><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD><C3B2>ֳ<EFBFBD> if / else<EFBFBD><EFBFBD>
do / while ????????????<3F><>???????????????????<3F><>?????????????? while ?????<3F><>
do / while <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD>棬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD>Ի<EFBFBD><EFBFBD>ĵط<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> while <20><><EFBFBD><EFBFBD><EFBFBD>档
????????? goto ?????? goto ?????????????????????? goto ???????????????????????? goto??
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD> goto Ŀ<>꣬<EFBFBD><EAA3AC>ô goto <20><><EFBFBD>һ<EFBFBD><D2BB>ܽ<EFBFBD><DCBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>ǹ<EFBFBD><C7B9>ڸ<EFBFBD><DAB8>ӵ<EFBFBD> goto <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ر<EFBFBD><D8B1>Ӧ<EEA3AC>ñ<EFBFBD><C3B1><EFBFBD>ʹ<EFBFBD><CAB9> goto<EFBFBD><EFBFBD>
??????????<3F><>????<3F><> return ?????????????????????
<EFBFBD><EFBFBD>Ƕ<EFBFBD>׵<EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD>һЩ return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><DCBC><EFBFBD>Ƕ<EFBFBD>׵IJ<D7B5><C4B2><EFBFBD><EFBFBD><EFBFBD>
# ?? 8 ?? ????????
# <EFBFBD><EFBFBD> 8 <EFBFBD><EFBFBD> <20><><EFBFBD>ֳ<EFBFBD><D6B3><EFBFBD><EFBFBD><EFBFBD>ʽ
???????????????????????<3F><>??????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>Ŀɶ<EFBFBD><EFBFBD>Ժܲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>
```
if line.split(':')[0].strip() == "root":
@ -159,7 +159,7 @@ if username == "root":
...
```
????????????<3F><>?????????
ʹ<EFBFBD><EFBFBD>Ħ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>
```
if(!a && !b) {
@ -172,9 +172,9 @@ if(a || b) {
}
```
# ?? 9 ?? ??????????
# <EFBFBD><EFBFBD> 9 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD>
????????????????????????? break ???? return ????????????????????<3F><>?
ȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD> break <EFBFBD><EFBFBD><EFBFBD><EFBFBD> return <EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD>ٿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>á<EFBFBD>
```
boolean done = false;
@ -195,9 +195,9 @@ while(/* condition */) {
}
```
??<3F><>?????????????????<3F><>????????<3F><>??????????????????
<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԽС<EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD>׶<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õĵط<EFBFBD><EFBFBD><EFBFBD>
JavaScript ??????????<3F><>??????????????? submit_form ???????????submitted ????????????????????<3F><>??????????? submitted ??????????????????? submitted ????????????<3F><>??????????????????<3F><>??
JavaScript <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñհ<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>´<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> submit_form <20>Ǻ<EFBFBD><C7BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>submitted <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƺ<EFBFBD><C6BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᱻ<EFBFBD>ύ<EFBFBD><E1BDBB><EFBFBD>Ρ<EFBFBD><CEA1><EFBFBD>һ<EFBFBD><D2BB>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD> submitted <20><>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><DAB6><EFBFBD>ʵ<EFBFBD>ְ<EFBFBD> submitted <20>ŵ<EFBFBD><C5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><CEA7>
```
submitted = false;
@ -218,16 +218,16 @@ var submit_form = (function() {
}
submitted = true;
}
}()); // () ?????????????????????
}()); // () ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD>
```
JavaScript ??????? var ????????????????????????????????????????????????????? var ????????????
JavaScript <EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD> var <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> var <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?????????<3F><>?????????????<3F><>???????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
**???????**
**ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>**
?????????????????????????<3F><>?
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶΣ<EFBFBD>
```
<input type = "text" id = "input1" value = "a">
@ -236,7 +236,7 @@ JavaScript ??????? var ????????????????????????????????????????????????????? var
<input type = "text" id = "input4" value = "d">
```
?????????????????????????????????? input ????<3F><>????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD> input <20>ֶ<EFBFBD><D6B6>У<EFBFBD><D0A3><EFBFBD>ʼʵ<CABC><CAB5><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
```
var setFirstEmptyInput = function(new_alue) {
@ -256,11 +256,11 @@ var setFirstEmptyInput = function(new_alue) {
}
```
?????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣺
- found ?????????
- elem ?????????
- ?????? for ??????? while ?????
- found <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
- elem <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> for ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> while ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
```
var setFirstEmptyInput = function(new_value) {
@ -277,13 +277,13 @@ var setFirstEmptyInput = function(new_value) {
};
```
# ?? 10 ?? ???????
# <EFBFBD><EFBFBD> 10 <EFBFBD><EFBFBD> <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
??????????????????<3F><>?????????<3F><>?????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD>ǰѴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֳ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٰ<EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ż<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?????????????????????????????????????????????????????????????????????????<3F><>?
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ߲<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>꣬Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>깤<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>
??????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԵĴ<EFBFBD><EFBFBD>룺
```
int findClostElement(int[] arr) {
@ -304,7 +304,7 @@ int findClostElement(int[] arr) {
}
```
??????????????????????????????????????????????????????????<3F><>?????????????????????????????????????<3F><>???????????????????????<3F><>???????????<3F><>?????????????????????????
<EFBFBD><EFBFBD><EFBFBD>ϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD>ⲿ<EFBFBD>ֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>߲<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>꣬<EFBFBD>߲<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD><EFBFBD>԰<EFBFBD><EFBFBD>ⲿ<EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺô<EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD>ԡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Կ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸ġ<EFBFBD>
```
public int findClostElement(int[] arr) {
@ -321,22 +321,22 @@ public int findClostElement(int[] arr) {
}
```
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD>Խ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>࣬<EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫȥ<EFBFBD>˽<EFBFBD>ijһ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD>ڶ<EFBFBD><EFBFBD>ܹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>Ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǻõġ<EFBFBD>
?????????????<3F><>?????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡҲ<EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ࡣ
# ?? 11 ?? ???????????
# <EFBFBD><EFBFBD> 11 <EFBFBD><EFBFBD> һ<><D2BB>ֻ<EFBFBD><D6BB>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
??????????????????????????????????
ֻ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>µĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
??????????<3F><>???????????????????????????????????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>񣻰<EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߲<EFBFBD>ͬ<EFBFBD>Ķ<EFBFBD><EFBFBD>䡣
# ?? 12 ?? ????????????????
# <EFBFBD><EFBFBD> 12 <EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
?????????????<3F><>??????????????<3F><>?????????<3F><>????????????????????????
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>α<EFBFBD><EFBFBD><EFBFBD>룬Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
# ?? 13 ?? ?????????
# <EFBFBD><EFBFBD> 13 <EFBFBD><EFBFBD> <20><><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD><EFBFBD>
????????????????????<3F><>??<3F><>??????????????????????????????
<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̻<EFBFBD><EFBFBD>кܶ<EFBFBD><EFBFBD>仯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õġ<EFBFBD>
????????????
<EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD>׼<EFBFBD><EFBFBD>ʵ<EFBFBD>֡<EFBFBD>