摘要：
原题链接在这里：https://leetcode.com/problems/open-the-lock/ 题目： You have a lock in front of you with 4 circular wheels. Each wheel has 10 slots: '0', '1', '2
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posted @ 2019-11-26 11:33
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/the-maze-iii/ 题目： There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by
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posted @ 2019-11-25 12:43
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/the-maze-ii/ 题目： There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by
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posted @ 2019-11-25 11:36
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/the-maze/ 题目： There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rol
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posted @ 2019-11-25 11:04
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/n-ary-tree-level-order-traversal/ 题目： Given an n-ary tree, return the level order traversal of its nodes' values
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posted @ 2019-11-24 14:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/online-election/ 题目： In an election, the i-th vote was cast for persons[i] at time times[i]. Now, we would like
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posted @ 2019-11-24 13:30
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/binary-search/ 题目： Given a sorted (in ascending order) integer array nums of n elements and a target value, writ
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posted @ 2019-11-24 12:07
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size/ 题目： Given an integer array sorted in ascending order, write a function
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posted @ 2019-11-24 12:03
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/time-based-key-value-store/ 题目： Create a timebased key-value store class TimeMap, that supports two operations.
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posted @ 2019-11-24 11:49
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/find-right-interval/ 题目： Given a set of intervals, for each of the interval i, check if there exists an interval
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posted @ 2019-11-24 11:23
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/missing-element-in-sorted-array/ 题目： Given a sorted array A of unique numbers, find the K-th missing number star
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posted @ 2019-11-21 02:29
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/ 题目： A conveyor belt has packages that must be shipped from one port to
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posted @ 2019-11-20 13:28
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/koko-eating-bananas/ 题目： Koko loves to eat bananas. There are N piles of bananas, the i-th pile has piles[i] ban
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posted @ 2019-11-18 08:59
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/my-calendar-iii/ 题目： Implement a MyCalendarThree class to store your events. A new event can always be added. Yo
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posted @ 2019-11-17 03:28
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/my-calendar-ii/ 题目： Implement a MyCalendarTwo class to store your events. A new event can be added if adding the
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posted @ 2019-11-17 03:18
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/exam-room/ 题目： In an exam room, there are N seats in a single row, numbered 0, 1, 2, ..., N-1. When a student en
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posted @ 2019-11-14 15:16
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/hand-of-straights/ 题目： Alice has a hand of cards, given as an array of integers. Now she wants to rearrange the
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posted @ 2019-11-14 13:30
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/camelcase-matching/ 题目： A query word matches a given pattern if we can insert lowercase letters to the pattern w
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posted @ 2019-11-14 11:47
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/map-sum-pairs/ 题目： Implement a MapSum class with insert, and sum methods. For the method insert, you'll be given
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posted @ 2019-11-13 13:10
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/implement-magic-dictionary/ 题目： Implement a magic directory with buildDict, and search methods. For the method b
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posted @ 2019-11-13 12:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/additive-number/ 题目： Additive number is a string whose digits can form additive sequence. A valid additive seque
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posted @ 2019-11-12 12:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/ 题目： Given an array of strings arr. String s is a
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posted @ 2019-11-11 11:54
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/stepping-numbers/ 题目： A Stepping Number is an integer such that all of its adjacent digits have an absolute diff
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posted @ 2019-11-11 10:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/split-array-into-fibonacci-sequence/ 题目： Given a string S of digits, such as S = "123456579", we can split it in
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posted @ 2019-11-10 11:37
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/brace-expansion/ 题目： A string S represents a list of words. Each letter in the word has 1 or more options. If th
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posted @ 2019-11-04 12:54
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/path-with-maximum-gold/ 题目： In a gold mine grid of size m * n, each cell in this mine has an integer representin
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posted @ 2019-11-04 11:53
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/letter-tile-possibilities/ 题目： You have a set of tiles, where each tile has one letter tiles[i] printed on it. R
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posted @ 2019-11-04 11:08
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/last-stone-weight-ii/ 题目： We have a collection of rocks, each rock has a positive integer weight. Each turn, we
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posted @ 2019-11-03 08:12
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/last-stone-weight/ 题目： We have a collection of rocks, each rock has a positive integer weight. Each turn, we cho
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posted @ 2019-11-03 06:53
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/largest-1-bordered-square/ 题目： Given a 2D grid of 0s and 1s, return the number of elements in the largest square
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posted @ 2019-11-03 05:59
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/largest-plus-sign/ 题目： In a 2D grid from (0, 0) to (N-1, N-1), every cell contains a 1, except those cells in th
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posted @ 2019-11-01 12:50
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/filling-bookcase-shelves/ 题目： We have a sequence of books: the i-th book has thickness books[i][0] and height bo
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posted @ 2019-11-01 11:28
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-arithmetic-sequence/ 题目： Given an array A of integers, return the length of the longest arithmetic subse
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posted @ 2019-11-01 09:17
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/length-of-longest-fibonacci-subsequence/ 题目： A sequence X_1, X_2, ..., X_n is fibonacci-like if: n >= 3 X_i + X_
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posted @ 2019-10-31 11:28
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-string-chain/ 题目： Given a list of words, each word consists of English lowercase letters. Let's say word
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posted @ 2019-10-28 08:49
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/remove-boxes/ 题目： Given several boxes with different colors represented by different positive numbers.You may ex
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posted @ 2019-10-12 12:29
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/cherry-pickup/ 题目： In a N x N grid representing a field of cherries, each cell is one of three possible integers
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posted @ 2019-10-11 12:08
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/reverse-pairs/ 题目： Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j
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posted @ 2019-10-05 09:22
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-score-triangulation-of-polygon/ 题目： Given N, consider a convex N-sided polygon with vertices labelled A[
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posted @ 2019-09-24 00:43
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/video-stitching/ 题目： You are given a series of video clips from a sporting event that lasted T seconds. These vi
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posted @ 2019-09-22 03:14
Dylan_Java_NYC
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