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Description A palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. Y... 阅读全文
posted @ 2016-08-06 16:10
Loi_Vampire
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Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of thi... 阅读全文
posted @ 2016-08-06 16:04
Loi_Vampire
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You’ve got a string s = s1s2… s|s| of length |s|, consisting of lowercase English letters. There also are q queries, each query is describe... 阅读全文
posted @ 2016-08-06 15:46
Loi_Vampire
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Description ‘Oh no, they’ve done it again’, cries the chief designer at the Waferland chip factory. Once more the routing designers have... 阅读全文
posted @ 2016-08-06 15:36
Loi_Vampire
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Description Bessie has gone to the mall’s jewelry store and spies a charm bracelet. Of course, she’d like to fill it with the best charm... 阅读全文
posted @ 2016-08-06 15:23
Loi_Vampire
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