原创 92. 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, m
2018-08-24 03:05:36
1
原创 582. Kill Process
Given n processes, each process has a unique PID (process id) and its PPID (parent process id). Each process only has
2018-08-24 03:05:36
原创 35. Search Insert Position
當循環結束時，如果沒有找到target，那麼low一定停target應該插入的位置上，high一定停在恰好比target小的index上。 public class Solution { public int searchInse
2018-08-24 03:05:35
原创 39. Combination Sum I && II
public class Solution { public List<List<Integer>> combinationSum(int[] c, int t) { if(c == null || c.lengt
2018-08-24 03:05:34
原创 76. Minimum Window Substring
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity
2018-08-24 03:05:34
原创 317. Shortest Distance from All Buildings
You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can onl
2018-08-24 03:05:34
原创 605. Can Place Flowers
Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be
2018-08-24 03:05:34
原创 26. Remove Duplicates from Sorted Array
public class Solution { public int removeDuplicates(int[] nums) { int i=0; for(int j=1; j<nums.leng
2018-08-24 03:05:34
原创 152. Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For exam
2018-08-24 03:05:34
1
原创 12. Integer to Roman
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. publi
2018-08-24 03:05:34
1
原创 72. Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation
2018-08-24 03:05:34
原创 108. Convert Sorted Array to Binary Search Tree
/** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeN
2018-08-24 03:05:34
原创 Convert a Binary Tree to Doubly Linked List
/* Convert a binary search tree to doubly linked list with in-order traversal. Example Given a binary search tree:
2018-08-24 03:05:33
原创 88. Merge Sorted Array
Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: You may assume tha
2018-08-24 03:05:33
原创 516. Longest Palindromic Subsequence
Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s
2018-08-24 03:05:33