Link to the problem Description Given n balloons, indexed from 0 to n-1. Each balloon i...
发简信
IP属地：吉林
-
25. Burst Ballons
-
24. Interleaving String
Link to the problem Description Given s1, s2, s3, find whether s3 is formed by the inte...
-
23. Alien Dictionary
Link to the problem Description There is a new alien language which uses the latin alph...
-
22. Course Schedule II
Link to the problem Description There are a total of n courses you have to take, labele...
-
21. Word Ladder II
Link to the problem Description Given two words (beginWord and endWord), and a dictiona...
-
20. Shortest Distance from All Buildings
Link to the problem Description You want to build a house on an empty land which reache...
-
19. House Robber III
Link to the problem Description The thief has found himself a new place for his thiever...
-
18. Number of Islands II
Link to the problem Description A 2d grid map of m rows and n columns is initially fill...
-
17. Longest Consecutive Sequence
Link to the problem Description Given an unsorted array of integers, find the length of...
-
16. Trapping Rain Water II
Link to the problem Description Given an m x n matrix of positive integers representing...
-
15. Split Array Largest Sum
Link to the problem Description Given an array which consists of non-negative integers ...
-
14. Is Subsequence
Link to the problem Description Given a string s and a string t, check if s is subseque...
-
13. Russian Doll Envelopes
Link to the problem Description You have a number of envelopes with widths and heights ...
-
12. Largest BST Subtree
Link to the problem Description Given a binary tree, find the largest subtree which is ...
-
11. Invert Binary Tree
Link to the problem Description Invert a binary tree. Example Input: [4,2,7,1,3,6,9], O...
-
10. Find Leaves of Binary Tree
Link to the problem Description Given a binary tree, collect a tree's nodes as if you w...
-
9. Count Complete Tree Nodes
Link to the problem Description Given a complete binary tree, count the number of nodes...
-
8. Sqrt(x)
Link to the problem Description Implement int sqrt(int x). Compute and return the squar...
-
7. Closest Binary Search Tree Value II
Link to the problem Description Given a non-empty binary search tree and a target value...
-
6. Remove K Digits
Link to the problem Description Given a non-negative integer num represented as a strin...