Can anyone explain the solution to this question to me?↵
http://acm.hdu.edu.cn/showproblem.php?pid=4253
http://acm.hdu.edu.cn/showproblem.php?pid=4253
| Rev. | Язык | Кто | Когда | Δ | Комментарий | |
|---|---|---|---|---|---|---|
| en2 |
|
hereicomewf | 2015-08-16 19:17:31 | 21 | ||
| en1 |
|
hereicomewf | 2015-08-16 18:43:26 | 108 | Initial revision (published) |
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