Freaks City

This problem can be efficiently solved using a depth-first search (DFS) algorithm with backtracking. The core idea is to traverse each cell of the grid and check if it can start a valid path that forms the target word. Key Concepts The grid trvaersal here is a variation of binary tree DFS, where each cell (node) has four possible adjacent direc ...

Problem 1: Island Counting Approach Overview To solve the island counting problem, we need to traverse a 2D grid where 1s represent land and 0s represent water. An island consists of all connected land cells horizontally or vertically. We'll explore two traversal strategies: Depth-First Search (DFS) and Breadth-First Search (BFS). DFS Solution ...