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Series
Algorithm Solving Practice for Myself.
Problem LeetCode - The World's Leading Online Programming Learning Platform Problem Solving Approach The objective of this problem is to check whether there is a path in the given binary tree from the root to a leaf node whose sum equals the given t...
Problem Smallest Even Multiple - LeetCode Solution Approach The term "multiple of 2" indicates that the number must be even. The term "multiple of n" indicates that the number must be a multiple of n. This problem is about finding the smallest eve...
Problem Sort Colors - LeetCode Solution Approach This problem asks whether you can implement a sorting algorithm without using built-in sorting functions or methods. Since the input consists of only 0, 1, and 2, it is possible to solve it using a l...
Problem Problem_Link Solution Approach Condition: Substrings with an equal number of uppercase and lowercase letters If the difference between the uppercase and lowercase letters at the starting and ending positions of a specific substring is the s...
Problem Richest Customer Wealth - LeetCode Approach This problem involves working with a 2D array to calculate the sum of values and optimize based on it. Initially, I straightforwardly stored the sum of all values in an array and then found the ma...
Problem Lowest Common Ancestor of a Binary Tree - LeetCode Problem Solution This problem asks whether you know about the Lowest Common Ancestor (LCA) and if you can implement it. In this problem, the preprocessing step for LCA cannot be used becaus...