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百尺竿头，更进一步！ - String: Reverse Words in a String
https://sites.google.com/site/heshiyinsite/Home/string-reverse-words-in-a-string return " blue is sky the ". public class Solution { public String reverseWords(String s) { if(s.length() == 0) return s; s += " "; Stack<String> stack = new ...
百尺竿头，更进一步！ - Array: Rotate Array - Google Sites
https://sites.google.com/site/heshiyinsite/Home/array-rotate-array Related problem: Reverse Words in a String II. Credits: Special thanks to @Freezen for adding this problem and creating all test cases. public class Solution ...
CodingBugHunter - Google Sites
https://sites.google.com/site/codingbughunter/ Leetcode LRU Cache JAVA · Maximum Depth ... Also unlike in C++, a String is not a char array in Java. ... 30) Reverse Words in a String. 2. Linked List. The ...
百尺竿头，更进一步！ - String: Word Ladder - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-word-ladder All words contain only lowercase alphabetic characters. public class Solution { public int ladderLength(String start, String end, HashSet<String> dict) { if ( ...
百尺竿头，更进一步！ - NP: Queen - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-queue List: Reverse Linked List II * · List ... String: Reverse Words in a String · String: Roman ... Q.."] ] public class Solution { public ArrayList<String ...
百尺竿头，更进一步！ - String: Letter Combinations of a Phone ...
https://sites.google.com/site/heshiyinsite/Home/string-letter-combinations-of-a-phone-number List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... Solution { private HashMap<Character,String> map ...
百尺竿头，更进一步！ - NP: Combination Sum II - Google Sites
https://sites.google.com/site/heshiyinsite/Home/combination-combination-sum-ii-1 List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... // Start typing your Java solution below. // DO ...
James Chen's C/C++ Home - 59. Spiral Matrix II - Google Sites
https://sites.google.com/site/spaceofjameschen/interview-questions-think-in-cc-by-james-chen/leetcode/59-spiral-matrix-ii LeetCode · 104. Maximum Depth of Binary ... Reverse a sentence but do not reverse words · Reverse a string ... class Solution: def generateMatrix(self, n: int) ...
百尺竿头，更进一步！ - String: Count and Say - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-count-and-say Note: The sequence of integers will be represented as a string. public class Solution { public String countAndSay(int n) { // Start typing your Java solution ...
百尺竿头，更进一步！ - Tree: Pathsum II - Google Sites
https://sites.google.com/site/heshiyinsite/Home/tree-pathsum-ii List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... Solution object is instantiated only once and is reused by ...
百尺竿头，更进一步！ - String: Isomorphic Strings - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-isomorphic-strings List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... public class Solution { public boolean isIsomorphic(String ...
百尺竿头，更进一步！ - ArrayList: Pascal's Triangle II * - Google Sites
https://sites.google.com/site/heshiyinsite/Home/array-pascal-s-triangle-ii Note: Could you optimize your algorithm to use only O(k) extra space? public class Solution { public ArrayList<Integer> getRow(int rowIndex) { ArrayList<Integer> ...
百尺竿头，更进一步！ - String: Generate Parenthes - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-generate-parenthes List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... public class Solution { public ArrayList<String> ...
百尺竿头，更进一步！ - String: Wildcard Matching - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-wildcard-matching List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... public class Solution { public boolean isMatch(String s, ...
Blake Johnson - 18. 4Sum - Google Sites
https://sites.google.com/prod/view/blakejohnson/leetcode/18-4sum The solution set must not contain duplicate quadruplets. Example: Given array nums = [1, 0, -1, 0, -2, 2], and target = 0.
Blake Johnson - 1. Two Sum - Google Sites
https://sites.google.com/prod/view/blakejohnson/leetcode/1-two-sum You may assume that each input would have exactly one solution, and you may not use the same element twice. Example: Given nums = [2, 7, 11, 15], target = 9 ...
百尺竿头，更进一步！ - NP: Combination - Google Sites
https://sites.google.com/site/heshiyinsite/Home/combination-combination List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... Solution { public ArrayList<ArrayList<Integer> ...
百尺竿头，更进一步！ - String: Add Binary Number - Google Sites
https://sites.google.com/site/heshiyinsite/Home/string-add-binary-number-1 List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... Return "100" . public class Solution { public String ...
百尺竿头，更进一步！ - String: Longest Increasing Continuous ...
https://sites.google.com/site/heshiyinsite/Home/string-longest-increasing-continuous-subsequence List: Reverse Linked List II * · List: Reverse ... String: Reverse Words in a String · String: Roman ... O(n) time and O(1) extra space. public class Solution ...
litcode.ipynb - Colab
https://colab.research.google.com/github/codestarlet/-7daysofcode/blob/master/litcode.ipynb Reverse Words in a String. Given an input string, reverse the string word by ... Remove Duplicates from Sorted Array II - 80 leetcode.