LeetCode——Find the Difference

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LeetCode——Find the Difference

LeetCode--Find the Difference Question Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Examp…

[LeetCode] Minimum Time Difference 最短时间差

Given a list of 24-hour clock time points in "Hour:Minutes" format, find the minimum minutes difference between any two time points in the list. Example 1: Input: ["23:59","00:00"] Output: 1 Note: The number of time points in…

[LeetCode] Minimum Absolute Difference in BST 二叉搜索树的最小绝对差

Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Input: 1 \ 3 / 2 Output: 1 Explanation: The minimum absolute difference is 1, which is the difference between 2 and 1…

LeetCode Minimum Time Difference

原题链接在这里:https://leetcode.com/problems/minimum-time-difference/description/ 题目: Given a list of 24-hour clock time points in "Hour:Minutes" format, find the minimum minutes difference between any two time points in the list. Example 1: Input: [&q…

LeetCode Minimum Absolute Difference in BST

原题链接在这里:https://leetcode.com/problems/minimum-absolute-difference-in-bst/#/description 题目: Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Input: 1 \ 3 / 2 Output: 1…

LeetCode 1026. Maximum Difference Between Node and Ancestor

原题链接在这里:https://leetcode.com/problems/maximum-difference-between-node-and-ancestor/ 题目: Given the root of a binary tree, find the maximum value V for which there exists different nodes A and B where V = |A.val - B.val| and A is an ancestor of B. (A n…