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2021
12-14

C++实现LeetCode(170.两数之和之三 - 数据结构设计)

[LeetCode]170.TwoSumIII-Datastructuredesign两数之和之三-数据结构设计DesignandimplementaTwoSumclass.Itshouldsupportthefollowingoperations: add and find.add -Addthenumbertoaninternaldatastructure.find -Findifthereexistsanypairofnumberswhichsumisequaltothevalue.Example1:add(1);add(3);add(5);find(4)->truefind(7)->falseExample... 继续阅读 >

2021
12-13

C++实现LeetCode(167.两数之和之二 - 输入数组有序)

[LeetCode]167.TwoSumII-Inputarrayissorted两数之和之二-输入数组有序Givenanarrayofintegersthatisalreadysortedinascendingorder,findtwonumberssuchthattheyadduptoaspecifictargetnumber.ThefunctiontwoSumshouldreturnindicesofthetwonumberssuchthattheyadduptothetarget,whereindex1mustbelessthanindex2.Pleasenotethatyourreturnedanswers(bothinde... 继续阅读 >

2021
12-10

C++实现LeetCode(158.用Read4来读取N个字符之二 - 多次调用)

[LeetCode]158.ReadNCharactersGivenRead4II-Callmultipletimes用Read4来读取N个字符之二-多次调用Givenafileandassumethatyoucanonlyreadthefileusingagivenmethod read4,implementamethod read toread n characters. Yourmethod read maybecalledmultipletimes.Methodread4:TheAPI read4 reads4consecutivecharactersfromthef... 继续阅读 >