Leetcode 217. Contains Duplicate

Oct 26, 2016 in 算法

算法 Java Leetcode Golang

Find if the array contains any duplicates.

Leetcode 226. Invert Binary Tree

Oct 25, 2016 in 算法

算法 Java Leetcode Golang

Invert a binary tree.

Leetcode 225. Implement Stack using Queues

Oct 20, 2016 in 算法

算法 Java Leetcode

Implement basic operations of a stack using queues.

Leetcode 83. Remove Duplicates from Sorted List

Oct 19, 2016 in 算法

算法 Java Leetcode

Delete all duplicates in a sorted linked list.

Leetcode 136. Single Number

Oct 18, 2016 in 算法

算法 Java Leetcode

Find the single integer.

Leetcode 137. Single Number II

Oct 18, 2016 in 算法

算法 Java Leetcode

Find the single integer II.

Leetcode 344. Reverse String

Jul 31, 2016 in 算法

算法 Java Leetcode

Takes a string as input and returns the string reversed.

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Leetcode 217. Contains Duplicate

Leetcode 226. Invert Binary Tree

Leetcode 225. Implement Stack using Queues

Leetcode 83. Remove Duplicates from Sorted List

Leetcode 136. Single Number

Leetcode 137. Single Number II

Leetcode 344. Reverse String

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