摘要：
You have a browser of one tab where you start on the homepage and you can visit another url, get back in the history number of steps or move forward i 阅读全文
posted @ 2021-03-04 03:00
CNoodle
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摘要：
You are given a string s and two integers x and y. You can perform two types of operations any number of times. Remove substring "ab" and gain x point 阅读全文
posted @ 2021-03-04 01:49
CNoodle
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