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Md Ariful Haque @mah-shamim

Word Search In Grids With Adjacent Cells

Word Search in Grids: Given an m x n grid of characters and a string word, return true if word exists in the grid, constructed from adjacent cells horizontally or vertically. Same letter cell may not be used more than once.

79. Word Search
Medium
Given an m x n grid of characters board and a string word, return true if word exists in the grid.
The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are horizontally or vertically neighboring. The same letter cell may not be used more than once.
Example 1:


Input: board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]], word = "ABCCED"

Output: true

Example 2:


Input: board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]], word = "SEE"

Output: true 

Example 3:


Input: board = [["A","B","C","E"],["S","F","...