Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. To calculate the trapped water, we can use the ...
0318 04093: 倒排索引查询 Inverted Index Medium http://cs101.openjudge.cn/practice/04093/ 0317 02406: å—符串乘方 KMP Tough http://cs101.openjudge.cn ...
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