原创 LeetCode_Sort Colors
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, wi
2020-06-19 09:51:51
原创 LeetCode_Subsets II
Given a collection of integers that might contain duplicates, S, return all possible subsets. Note: Elements in a s
2020-06-19 08:41:10
原创 LeetCode_ValidPalindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For ex
2020-06-19 08:41:10
原创 LeetCode_Set Matrix Zeros
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. class Solution { public:
2020-06-19 08:41:10
原创 LeetCode_Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operatio
2020-06-19 07:23:56
1
原创 LeetCode_Combinations
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example, If n = 4 and
2020-06-19 07:23:56
原创 CareerCup_1_7
Write an algorithm such that if an element in an MxN matrix is 0, its entire row and column are set to 0. /* Write an
2020-02-21 08:39:56
原创 CareerCup_1_4
Write a method to replace all spaces in a string with '%20'. You may assum
2020-02-21 08:39:56
原创 LeetCode_Gray Code
The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative in
2020-02-21 08:39:56
原创 LeetCode_Interleaving String
Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. For example, Given:s1 = "aabcc",s2 = "
2020-02-21 08:39:56
原创 CareerCup_1_6
Given an image represented by an NxN matrix, where each pixel in the image is 4 bytes, write a method to rotate the ima
2020-02-21 08:39:56
原创 CareerCup_1_1
Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data struc
2020-02-21 08:39:56
原创 LeetCode_Reverse Linked List II
Reverse a linked list from position m to n. Do it in-place and in one-pass. For example: Given 1->2->3->4->5->NULL,
2020-02-21 08:39:56
原创 LeetCode_Restore IP Address
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For exampl
2020-02-21 08:39:56
原创 POSIX Threads Tutorial
Overview This is a brief tutorial on how write parallel applications using POSIX threads. Basically, this document is
2020-02-21 08:39:56