johnny_zhao - 博客园

2020年11月7日

170. Two Sum III - Data structure design

摘要： package LeetCode_170 import java.util.* /** * 170. Two Sum III - Data structure design * (Prime) * Design and implement a TwoSum class. It should supp 阅读全文

posted @ 2020-11-07 11:35 johnny_zhao 阅读(82) 评论(0) 推荐(0) 编辑

653. Two Sum IV - Input is a BST

摘要： package LeetCode_653 /** * 653. Two Sum IV - Input is a BST * https://leetcode.com/problems/two-sum-iv-input-is-a-bst/ * * Given the root of a Binary 阅读全文

posted @ 2020-11-07 10:55 johnny_zhao 阅读(51) 评论(0) 推荐(0) 编辑

2020年11月6日

647. Palindromic Substrings

摘要： package LeetCode_647 /** * 647. Palindromic Substrings * https://leetcode.com/problems/palindromic-substrings/ * Given a string, your task is to count 阅读全文

posted @ 2020-11-06 22:54 johnny_zhao 阅读(61) 评论(0) 推荐(0) 编辑

642. Design Search Autocomplete System

摘要： package LeetCode_642 import java.util.* import kotlin.collections.ArrayList import kotlin.collections.HashMap /** * 642. Design Search Autocomplete Sy 阅读全文

posted @ 2020-11-06 21:34 johnny_zhao 阅读(64) 评论(0) 推荐(0) 编辑

319. Bulb Switcher

摘要： package LeetCode_319 /** * 319. Bulb Switcher * https://leetcode.com/problems/bulb-switcher/ * * There are n bulbs that are initially off. You first t 阅读全文

posted @ 2020-11-06 15:09 johnny_zhao 阅读(75) 评论(0) 推荐(0) 编辑

1332. Remove Palindromic Subsequences

摘要： package LeetCode_1332 /** * 1332. Remove Palindromic Subsequences * https://leetcode.com/problems/remove-palindromic-subsequences/ * * Given a string 阅读全文

posted @ 2020-11-06 11:27 johnny_zhao 阅读(69) 评论(0) 推荐(0) 编辑

2020年11月5日

1460. Make Two Arrays Equal by Reversing Sub-arrays

摘要： package LeetCode_1460 /** * 1460. Make Two Arrays Equal by Reversing Sub-arrays * https://leetcode.com/problems/make-two-arrays-equal-by-reversing-sub 阅读全文

posted @ 2020-11-05 14:07 johnny_zhao 阅读(68) 评论(0) 推荐(0) 编辑

2020年11月4日

593. Valid Square

摘要： package LeetCode_593 /** * 593. Valid Square * https://leetcode.com/problems/valid-square/ * * Given the coordinates of four points in 2D space, retur 阅读全文

posted @ 2020-11-04 21:46 johnny_zhao 阅读(77) 评论(0) 推荐(0) 编辑

572. Subtree of Another Tree

摘要： package LeetCode_572 import java.util.* /** * 572. Subtree of Another Tree * https://leetcode.com/problems/subtree-of-another-tree/ * * Given two non- 阅读全文

posted @ 2020-11-04 11:11 johnny_zhao 阅读(49) 评论(0) 推荐(0) 编辑

2020年11月3日

525. Contiguous Array

摘要： package LeetCode_525 /** * 525. Contiguous Array * https://leetcode.com/problems/contiguous-array/description/ * * Given a binary array, find the maxi 阅读全文

posted @ 2020-11-03 23:16 johnny_zhao 阅读(75) 评论(0) 推荐(0) 编辑

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