leetcode - 随笔分类(第3页) - lacker

leetcode — symmetric-tree

摘要：``` import java.util.Stack; / Source : https://oj.leetcode.com/problems/symmetric tree/ Given a binary tree, check whether it is a mirror of itself (i 阅读全文

posted @ 2017-11-09 00:45 lacker 阅读(195) 评论(0) 推荐(0)

leetcode — same-tree

摘要：``` import java.util.Stack; / Source : https://oj.leetcode.com/problems/same tree/ Given two binary trees, write a function to check if they are equal 阅读全文

posted @ 2017-11-08 08:20 lacker 阅读(152) 评论(0) 推荐(0)

leetcode — recover-binary-search-tree

摘要：``` import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; /** * Source : https://oj.leetcode.com/problems/recover-binary-search-tree/ * * * Two... 阅读全文

posted @ 2017-11-08 08:18 lacker 阅读(174) 评论(0) 推荐(0)

leetcode — validate-binary-search-tree

摘要：``` import apple.laf.JRSUIUtils; / Source : https://oj.leetcode.com/problems/validate binary search tree/ Given a binary tree, determine if it is a va 阅读全文

posted @ 2017-11-06 08:21 lacker 阅读(267) 评论(0) 推荐(0)

leetcode — unique-binary-search-trees-ii

摘要：``` import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.List; / https://leetcode.com/problems/unique bina 阅读全文

posted @ 2017-11-05 19:36 lacker 阅读(243) 评论(0) 推荐(0)

leetcode — unique-binary-search-trees

摘要：``` / Source : https://oj.leetcode.com/problems/unique binary search trees/ Given n, how many structurally unique BST's (binary search trees) that sto 阅读全文

posted @ 2017-11-05 19:35 lacker 阅读(125) 评论(0) 推荐(0)

leetcode — binary-tree-inorder-traversal

摘要：```java import java.util.Arrays; import java.util.Stack; import java.util.TreeMap; / Source : https://oj.leetcode.com/problems/binary tree inorder tra 阅读全文

posted @ 2017-11-05 19:34 lacker 阅读(146) 评论(0) 推荐(0)

leetcode — restore-ip-addresses

摘要：``` import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; /** * Source : https://oj.leetcode.com/problems/restore-ip-addresses/ * * * * Given a... 阅读全文

posted @ 2017-11-05 19:30 lacker 阅读(170) 评论(0) 推荐(0)

leetcode — reverse-linked-list-ii

摘要：``` / Source : https://oj.leetcode.com/problems/reverse linked list ii/ Reverse a linked list from position m to n. Do it in place and in one pass. Fo 阅读全文

posted @ 2017-11-02 22:25 lacker 阅读(161) 评论(0) 推荐(0)

leetcode — reverse-linked-list

摘要：``` / Source : https://leetcode.com/problems/reverse linked list/ Reverse a singly linked list. click to show more hints. Hint: A linked list can be r 阅读全文

posted @ 2017-11-02 22:24 lacker 阅读(132) 评论(0) 推荐(0)

leetcode — decode-ways

摘要：``` / Source : https://oj.leetcode.com/problems/decode ways/ A message containing letters from A Z is being encoded to numbers using the following map 阅读全文

posted @ 2017-11-02 22:23 lacker 阅读(186) 评论(0) 推荐(0)

leetcode — gray-code

摘要：``` import org.lep.leetcode.groupanagrams.GroupAnagram; import java.util.ArrayList; import java.util.Arrays; import java.util.List; /** * Source : https://oj.leetcode.com/problems/gray-code/ * * ... 阅读全文

posted @ 2017-10-31 08:24 lacker 阅读(120) 评论(0) 推荐(0)

leetcode — merge-sorted-array

摘要：``` import java.util.Arrays; /** * Source : https://oj.leetcode.com/problems/merge-sorted-array/ * * * Given two sorted integer arrays A and B, merge B into A as one sorted array. * * Note: * ... 阅读全文

posted @ 2017-10-31 08:23 lacker 阅读(123) 评论(0) 推荐(0)

leetcode — scramble-string

摘要：``` import java.util.Arrays; / Source : https://oj.leetcode.com/problems/scramble string/ Given a string s1, we may represent it as a binary tree by p 阅读全文

posted @ 2017-10-31 00:03 lacker 阅读(173) 评论(0) 推荐(0)

leetcode — partition-list

摘要：``` / Source : https://oj.leetcode.com/problems/partition list/ Given a linked list and a value x, partition it such that all nodes less than x come b 阅读全文

posted @ 2017-10-31 00:02 lacker 阅读(152) 评论(0) 推荐(0)

leetcode — remove-duplicates-from-sorted-array-ii

摘要：``` / Source : https://oj.leetcode.com/problems/remove duplicates from sorted array ii/ Follow up for "Remove Duplicates": What if duplicates are allo 阅读全文

posted @ 2017-10-30 08:22 lacker 阅读(168) 评论(0) 推荐(0)

leetcode — remove-duplicates-from-sorted-array

摘要：``` import java.util.Arrays; / Source : https://oj.leetcode.com/problems/remove duplicates from sorted array/ Given a sorted array, remove the duplica 阅读全文

posted @ 2017-10-30 08:21 lacker 阅读(107) 评论(0) 推荐(0)

leetcode — remove-duplicates-from-sorted-list-ii

摘要：``` / Source : https://oj.leetcode.com/problems/remove duplicates from sorted list ii/ Given a sorted linked list, delete all nodes that have duplicat 阅读全文

posted @ 2017-10-29 22:56 lacker 阅读(118) 评论(0) 推荐(0)

leetcode — largest-rectangle-in-histogram

摘要：``` import java.util.Stack; /** * * Source : https://oj.leetcode.com/problems/largest-rectangle-in-histogram/ * * * Given n non-negative integers representing the histogram's bar height where th... 阅读全文

posted @ 2017-10-29 22:56 lacker 阅读(120) 评论(0) 推荐(0)

leetcode — remove-duplicates-from-sorted-list

摘要：``` / Source : https://oj.leetcode.com/problems/remove duplicates from sorted list/ Given a sorted linked list, delete all duplicates such that each e 阅读全文

posted @ 2017-10-27 08:33 lacker 阅读(140) 评论(0) 推荐(0)

lack

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随笔分类 - leetcode

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