08 2020 档案
摘要:package LeetCode_334 /** * 334. Increasing Triplet Subsequence * https://leetcode.com/problems/increasing-triplet-subsequence/description/ * * Given a
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摘要:package LeetCode_367 /** * 367. Valid Perfect Square * https://leetcode.com/problems/valid-perfect-square/description/ * * Given a positive integer nu
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摘要:package LeetCode_69 /** * 69. Sqrt(x) * https://leetcode.com/problems/sqrtx/description/ * * Implement int sqrt(int x). Compute and return the square
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摘要:package LeetCode_251 /** * 251. Flatten 2D Vector * (Prime) * Design and implement an iterator to flatten a 2d vector. It should support the following
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摘要:package LeetCode_766 /** * 766. Toeplitz Matrix * https://leetcode.com/problems/toeplitz-matrix/description/ * * A matrix is Toeplitz if every diagona
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摘要:package LeetCode_286 import java.util.* /** * 286. Walls and Gates * (Prime) * * You are given a m x n 2D grid initialized with these three possible v
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摘要:package LeetCode_1557 /** * 1557. Minimum Number of Vertices to Reach All Nodes * https://leetcode.com/problems/minimum-number-of-vertices-to-reach-al
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摘要:package LeetCode_310 import java.util.* import kotlin.collections.ArrayList /** * 310. Minimum Height Trees * https://leetcode.com/problems/minimum-he
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摘要:package LeetCode_84 import java.util.* /** * 84. Largest Rectangle in Histogram * https://leetcode.com/problems/largest-rectangle-in-histogram/descrip
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摘要:package LeetCode_84 /** * 84. Largest Rectangle in Histogram * https://leetcode.com/problems/largest-rectangle-in-histogram/description/ * * Given n n
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摘要:package LeetCode_73 /** * 73. Set Matrix Zeroes * https://leetcode.com/problems/set-matrix-zeroes/description/ * * Given a m x n matrix, if an element
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摘要:package LeetCode_452 /** * 452. Minimum Number of Arrows to Burst Balloons * https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/
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摘要:package LeetCode_435 /** * 435. Non-overlapping Intervals * https://leetcode.com/problems/non-overlapping-intervals/description/ * * Given a collectio
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摘要:package LeetCode_264 import java.util.* /** * 264. Ugly Number II * https://leetcode.com/problems/ugly-number-ii/description/ * * Write a program to f
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摘要:package LeetCode_264 import java.util.* /** * 264. Ugly Number II * https://leetcode.com/problems/ugly-number-ii/description/ * * Write a program to f
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摘要:package LeetCode_263 /** * 263. Ugly Number * https://leetcode.com/problems/ugly-number/description/ * * Write a program to check whether a given numb
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摘要:package LeetCode_528 import java.util.* /** * 528. Random Pick with Weight * https://leetcode.com/problems/random-pick-with-weight/description/ * * Gi
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摘要:package LeetCode_875 /** * 875. Koko Eating Bananas * https://leetcode.com/problems/koko-eating-bananas/description/ * * Koko loves to eat bananas. Th
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摘要:package LeetCode_721 import java.util.* import kotlin.collections.ArrayList import kotlin.collections.HashMap /** * 721. Accounts Merge * https://leet
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摘要:package LeetCode_515 import java.util.* import kotlin.collections.ArrayList /** * 515. Find Largest Value in Each Tree Row * https://leetcode.com/prob
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摘要:package LeetCode_286 /** * 286. Walls and Gates * (Prime) * * You are given a m x n 2D grid initialized with these three possible values. 1. -1 - A wa
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摘要:package LeetCode_408 /** * 408. Valid Word Abbreviation * (Prime) * Given a non-empty string s and an abbreviation abbr, return whether the string mat
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摘要:package LeetCode_886 import java.util.* import kotlin.collections.ArrayList /** * 886. Possible Bipartition * https://leetcode.com/problems/possible-b
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摘要:package LeetCode_676 /** * 676. Implement Magic Dictionary * https://leetcode.com/problems/implement-magic-dictionary/description/ * * Implement a mag
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摘要:package LeetCode_848 /** * 848. Shifting Letters * https://leetcode.com/problems/shifting-letters/description/ * We have a string S of lowercase lette
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摘要:package LeetCode_582 import java.util.* import kotlin.collections.ArrayList import kotlin.collections.HashMap /** * 582.Kill Process * (Prime) *Given
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摘要:package LeetCode_763 /** * 763. Partition Labels * https://leetcode.com/problems/partition-labels/description/ * * A string S of lowercase English let
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摘要:package LeetCode_398 /** * 398. Random Pick Index * https://leetcode.com/problems/random-pick-index/description/ * * Given an array of integers with p
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摘要:package LeetCode_720 /** * 720. Longest Word in Dictionary * https://leetcode.com/problems/longest-word-in-dictionary/description/ * Given a list of s
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摘要:package LeetCode_826 /** * 826. Most Profit Assigning Work * https://leetcode.com/problems/most-profit-assigning-work/description/ * * We have jobs: d
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摘要:/** * Good morning! Here's your coding interview problem for today. This problem was asked by Google. Given the root of a binary tree, return a deepes
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摘要:package LeetCode_238 /** * 238. Product of Array Except Self * https://leetcode.com/problems/product-of-array-except-self/description/ * Given an arra
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摘要:package LeetCode_238 /** * 238. Product of Array Except Self * https://leetcode.com/problems/product-of-array-except-self/description/ * Given an arra
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摘要:package LeetCode_567 /** * 567. Permutation in String * https://leetcode.com/problems/permutation-in-string/description/ * * Given two strings s1 and
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摘要:package LeetCode_802 /** * 802. Find Eventual Safe States * https://leetcode.com/problems/find-eventual-safe-states/description/ * * In a directed gra
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摘要:package LeetCode_314 import java.util.* import kotlin.collections.ArrayList import kotlin.collections.HashMap /** * 314. Binary Tree Vertical Order Tr
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摘要:package LeetCode_986 /** * 986. Interval List Intersections * https://leetcode.com/problems/interval-list-intersections/description/ * * Given two lis
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摘要:package LeetCode_1249 /** * 1249. Minimum Remove to Make Valid Parentheses * https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/de
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摘要:package LeetCode_1249 /** * 1249. Minimum Remove to Make Valid Parentheses * https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/de
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摘要:package LeetCode_125 /** * 125. Valid Palindrome * https://leetcode.com/problems/valid-palindrome/description/ * * Given a string, determine if it is
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摘要:package LeetCode_230 import java.util.* /** * 230. Kth Smallest Element in a BST * https://leetcode.com/problems/kth-smallest-element-in-a-bst/descrip
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摘要:package LeetCode_1446 /** * 1446. Consecutive Characters * https://leetcode.com/problems/consecutive-characters/description/ * Given a string s, the p
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摘要:package LeetCode_340 /** * 340. Longest Substring with At Most K Distinct Characters * (Locked by leetcode) * https://www.lintcode.com/problem/longest
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摘要:package LeetCode_1004 /** * 1004. Max Consecutive Ones III * https://leetcode.com/problems/max-consecutive-ones-iii/description/ * * Given an array A
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摘要:package LeetCode_485 /** * 485. Max Consecutive Ones * https://leetcode.com/problems/max-consecutive-ones/description/ * * Given a binary array, find
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