LLD - Design — Tic-Tac-Toe Game
Which of the following code snippets correctly checks a row for a win in a 3x3 tic-tac-toe board represented as a 2D array
board?Which of the following code snippets correctly checks a row for a win in a 3x3 tic-tac-toe board represented as a 2D array board?
easy🧠 Conceptual Q12 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify row checking syntax
Checking a row means comparing all elements in the same row index but different columns.Step 2: Match code to row check
if board[row][0] == board[row][1] == board[row][2] != None: compares board[row][0], board[row][1], and board[row][2], which is correct for a row check.Final Answer:
if board[row][0] == board[row][1] == board[row][2] != None: -> Option CQuick Check:
Row check = compare same row elements [OK]
Quick Trick: Row check compares same row, different columns [OK]
Common Mistakes:
MISTAKES- Mixing row and column indices
- Using != instead of == for equality
- Checking diagonal instead of row
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