LLD - Design — Tic-Tac-Toe Game
In a turn-based game with 5 players indexed from 0 to 4, which of the following correctly advances the turn to the next player in a circular manner?
In a turn-based game with 5 players indexed from 0 to 4, which of the following correctly advances the turn to the next player in a circular manner?
easy🧠 Conceptual Q3 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand circular indexing
Using modulo with the number of players ensures the index wraps around after the last player.Step 2: Analyze options
current_player = (current_player + 1) % 5 correctly increments and wraps the index. current_player = current_player + 1 can exceed the max index. current_player = (current_player - 1) % 5 decrements incorrectly. current_player = current_player % 5 + 1 can go out of bounds.Final Answer:
current_player = (current_player + 1) % 5 -> Option AQuick Check:
Modulo keeps index within range [OK]
Quick Trick: Use modulo to cycle player index [OK]
Common Mistakes:
MISTAKES- Forgetting modulo causes index overflow
- Using subtraction instead of addition
- Incorrect modulo placement
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