LeetCode: 100. Same Tree
https://leetcode.com/problems/same-tree/description/ Given the roots of two binary trees p and q, write a function to check if they are the same or not.Two binary trees are considered the same if they are structurally identical, and the nodes have the same value. Example 1:Input: p = [1,2,3], q = [1,2,3]Output: trueExample 2:Input: p = [1,2], q = [1,null,2]Output: falseExample 3:Input: p = [1,2,..
2025. 8. 22.
LeetCode: 704. Binary Search
https://leetcode.com/problems/binary-search/description/Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then return its index. Otherwise, return -1.You must write an algorithm with O(log n) runtime complexity. Example 1:Input: nums = [-1,0,3,5,9,12], target = 9Output: 4Explanation: 9 exists in..
2025. 8. 17.