Tiger's leetcode solution

Q: Implement pow( x , n ). A: ----------4th pass---------Iterative way ------------ public class Solution { public double pow(doub...

Q: Given an array of strings, return all groups of strings that are anagrams. Note: All inputs will be in lower-case. For example: Inpu...

Q: Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large ...

Given  n  non-negative integers representing an elevation map where the width of each bar is  1 , compute how much water it can trap after r...

Q: Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3 , and [3,4,-1,1] retu...

Given a collection of candidate numbers ( candidates ) and a target number ( target ), find all unique combinations in  candidates  where th...

Given an array of  distinct  integers  candidates  and a target integer  target , return  a list of all  unique combinations  of  candidates...