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Friday, July 10, 2015
LeetCode [235] Lowest Common Ancestor of a Binary Search Tree
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Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of...
LeetCode [56] Merge Intervals
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56. Merge Intervals Medium 5253 323 Add to List Share Given a collection of intervals, merge all overlapping intervals. Example 1: Input...
Thursday, July 9, 2015
LeetCode [234] Palindrome Linked List
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Given a singly linked list, determine if it is a palindrome. Example 1: Input: 1->2 Output: false Example 2: Input: 1->2-...
Wednesday, July 8, 2015
LeetCode [233] Number of Digit One
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Note: There's one 1 on 1-th digit for every 10 numbers; There's ten 1s on 10-th digit for every 100 number; There's one...
LeetCode [232] Implement Queue using Stacks
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Ref [1] https://leetcode.com/problems/implement-queue-using-stacks/ OJ
LeetCode [231] Power of Two
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Ref [1] https://leetcode.com/problems/power-of-two/ OJ
LeetCode [230] Kth Smallest Element in a BST
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230. Kth Smallest Element in a BST Medium 3117 75 Add to List Share Given a binary search tree, write a function kthSmallest to find t...
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