摘要：题目：Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters...
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摘要：题目：Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complet...
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摘要：题目：Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction ...
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摘要：题目：Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your max...
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摘要：题目：Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your max...
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摘要：题目：Implementint sqrt(int x).Compute and return the square root ofx.代码：class Solution {public: int mySqrt(int x) { if (x mid )...
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摘要：题目：Implement pow(x,n).代码：class Solution {public: double myPow(double x, int n) { double ret = Solution::positivePow(fabs(x), ...
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摘要：题目：Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adj...
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摘要：题目：Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that there will be...
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摘要：题目：Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"(((...
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摘要：题目：Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each numb...
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摘要：题目：Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated ...
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摘要：题目：Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.代码：class Solution {publi...
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摘要：题目：Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all dist...
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摘要：题目：Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty spac...
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摘要：题目：A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any poi...
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摘要：题目：Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, ...
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摘要：题目：Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded reg...
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摘要：题目：Given two words (startandend), and a dictionary, find all shortest transformation sequence(s) fromstarttoend, such that:Only one letter can be chan...
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摘要：题目：Given two words (beginWordandendWord), and a dictionary, find the length of shortest transformation sequence frombeginWordtoendWord, such that:Only...
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