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Josephina and RPG ZOJ - 3735 A role-playing game (RPG and sometimes roleplaying game) is a game in which players assume the roles of characters in a f 阅读全文
摘要：
Maxim and Array Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positi 阅读全文
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D2. RGB Substring (hard version) 原题传送门 time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D 阅读全文