#1997Medium#16 in Citadel's list· asked at 27 companies
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What we know
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","C","S"],["A","D","E","E"]], word = "ABCB" Output: false
Constraints
- •
m == board.length - •
n == board[i].length - •
1 <= m, n <= 6 - •
1 <= word.length <= 15 - •
boardandwordconsist of only lowercase and uppercase English letters.