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2262. Total Appeal of A String Hard The appeal of a string is the number of distinct characters found in the string. For example, the appeal of "abbca 阅读全文
posted @ 2022-06-27 07:03
xiaoyongyong
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785. Is Graph Bipartite? Medium 4979279Add to ListShare There is an undirected graph with n nodes, where each node is numbered between 0 and n - 1. Yo 阅读全文
posted @ 2022-06-27 06:45
xiaoyongyong
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1057. Campus Bikes Medium On a campus represented on the X-Y plane, there are n workers and m bikes, with n <= m. You are given an array workers of le 阅读全文
posted @ 2022-06-27 06:42
xiaoyongyong
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881. Boats to Save People Medium You are given an array people where people[i] is the weight of the ith person, and an infinite number of boats where 阅读全文
posted @ 2022-06-27 05:59
xiaoyongyong
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