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原题链接在这里：https://leetcode.com/problems/car-pooling/ 题目： You are driving a vehicle that has capacity empty seats initially available for passengers. The
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posted @ 2019-12-11 13:14
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/random-pick-with-weight/ 题目： Given an array w of positive integers, where w[i] describes the weight of index i,
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posted @ 2019-12-11 11:23
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/linked-list-random-node/ 题目： Given a singly linked list, return a random node's value from the linked list. Each
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posted @ 2019-12-11 09:45
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/random-pick-index/ 题目： Given an array of integers with possible duplicates, randomly output the index of a given
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posted @ 2019-12-11 09:25
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/find-common-characters/ 题目： Given an array A of strings made only from lowercase letters, return a list of all c
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posted @ 2019-12-10 13:12
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/diagonal-traverse/ 题目： Given a matrix of M x N elements (M rows, N columns), return all elements of the matrix i
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posted @ 2019-12-10 12:32
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/friends-of-appropriate-ages/ 题目： Some people will make friend requests. The list of their ages is given and ages
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posted @ 2019-12-10 11:57
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/goat-latin/ 题目： A sentence S is given, composed of words separated by spaces. Each word consists of lowercase an
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posted @ 2019-12-10 08:44
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/monotonic-array/ 题目： An array is monotonic if it is either monotone increasing or monotone decreasing. An array
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posted @ 2019-12-10 08:03
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree/ 题目： Given a binary tree, return the vertical order traversal of its n
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posted @ 2019-12-10 07:55
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays/ 题目： In a given array nums of positive integers, find three non-overl
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posted @ 2019-12-09 12:51
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/exclusive-time-of-functions/ 题目： On a single threaded CPU, we execute some functions. Each function has a unique
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posted @ 2019-12-09 10:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/verifying-an-alien-dictionary/ 题目： In an alien language, surprisingly they also use english lowercase letters, b
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posted @ 2019-12-09 03:33
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/basic-calculator-iii/ 题目： Implement a basic calculator to evaluate a simple expression string. The expression st
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posted @ 2019-12-08 08:35
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/swap-for-longest-repeated-character-substring/ 题目： Given a string text, we are allowed to swap two of the charac
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posted @ 2019-12-08 06:29
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/word-subsets/ 题目： We are given two arrays A and B of words. Each word is a string of lowercase letters. Now, say
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posted @ 2019-12-06 08:07
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/reorganize-string/ 题目： Given a string S, check if the letters can be rearranged so that two characters that are
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posted @ 2019-12-05 07:55
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-repeating-substring/ 题目： Given a string S, find out the length of the longest repeating substring(s). Re
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posted @ 2019-12-05 07:33
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/score-of-parentheses/ 题目： Given a balanced parentheses string S, compute the score of the string based on the fo
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posted @ 2019-12-05 06:10
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/ 题目： Given a string s of '(' , ')' and lowercase English characters. Yo
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posted @ 2019-12-04 09:48
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/custom-sort-string/ 题目： S and T are strings composed of lowercase letters. In S, no letter occurs more than once
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posted @ 2019-12-04 08:47
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters/ 题目： Given a string S, return the number of substrings of l
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posted @ 2019-12-04 08:21
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/find-and-replace-pattern/ 题目： You have a list of words and a pattern, and you want to know which words in words
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posted @ 2019-12-04 07:01
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/smallest-subsequence-of-distinct-characters/ 题目： Return the lexicographically smallest subsequence of text that
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posted @ 2019-12-03 13:44
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/shifting-letters/ 题目： We have a string S of lowercase letters, and an integer array shifts. Call the shift of a
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posted @ 2019-12-03 11:04
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/remove-comments/ 题目： Given a C++ program, remove comments from it. The program source is an array where source[i
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posted @ 2019-12-02 13:20
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/replace-the-substring-for-balanced-string/ 题目： You are given a string containing only 4 kinds of characters 'Q',
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posted @ 2019-12-02 08:32
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/delete-nodes-and-return-forest/ 题目： Given the root of a binary tree, each node in the tree has a distinct value.
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posted @ 2019-11-30 14:19
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/matchsticks-to-square/ 题目： Remember the story of Little Match Girl? By now, you know exactly what matchsticks th
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posted @ 2019-11-28 14:09
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/possible-bipartition/ 题目： Given a set of N people (numbered 1, 2, ..., N), we would like to split everyone into
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posted @ 2019-11-28 13:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/sentence-similarity-ii/ 题目： Given two sentences words1, words2 (each represented as an array of strings), and a
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posted @ 2019-11-28 12:57
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/sentence-similarity/ 题目： Given two sentences words1, words2 (each represented as an array of strings), and a lis
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posted @ 2019-11-28 12:19
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/increasing-subsequences/ 题目： Given an integer array, your task is to find all the different possible increasing
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posted @ 2019-11-28 10:26
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/number-of-enclaves/ 题目： Given a 2D array A, each cell is 0 (representing sea) or 1 (representing land) A move co
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posted @ 2019-11-27 12:55
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/lonely-pixel-i/ 题目： Given a picture consisting of black and white pixels, find the number of black lonely pixels
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posted @ 2019-11-27 12:30
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/shortest-path-in-binary-matrix/ 题目： In an N by N square grid, each cell is either empty (0) or blocked (1). A cl
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posted @ 2019-11-27 11:24
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/n-ary-tree-postorder-traversal/ 题目： Given an n-ary tree, return the postorder traversal of its nodes' values. Na
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posted @ 2019-11-27 10:49
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/n-ary-tree-preorder-traversal/ 题目： Given an n-ary tree, return the preorder traversal of its nodes' values. Nary
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posted @ 2019-11-27 10:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-knight-moves/ 题目： In an infinite chess board with coordinates from -infinity to +infinity, you have a kn
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posted @ 2019-11-26 13:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/shortest-bridge/ 题目： In a given 2D binary array A, there are two islands. (An island is a 4-directionally connec
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posted @ 2019-11-26 12:38
Dylan_Java_NYC
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