LLD - Design — Tic-Tac-Toe GameWhich data structure is most suitable to represent a 3x3 game board for win condition checking?AA 2D array or list of listsBA single integer variableCA string containing all movesDA linked list of movesCheck Answer
Step-by-Step SolutionSolution:Step 1: Consider the game board layoutA 3x3 board is naturally a grid, best represented by a 2D array or list of lists for easy access by row and column.Step 2: Evaluate other optionsSingle integer or string do not represent grid positions well; linked list is inefficient for grid access.Final Answer:A 2D array or list of lists -> Option AQuick Check:Grid board = 2D array [OK]Quick Trick: Use 2D array for grid-based boards [OK]Common Mistakes:MISTAKESUsing a single variable for gridUsing string instead of structured dataChoosing linked list unnecessarily
Master "Design — Tic-Tac-Toe Game" in LLD9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
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