Design an Animal Chess OOP simulation

Q: Design an Animal Chess OOP simulation

This is a Coding & Algorithms interview question from Duolingo for Software Engineer roles. View the full question and solution on PracHub.

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Question

Design and implement a simplified Animal Chess (Dou Shou Qi) game using object-oriented principles. Include:

Piece classes Elephant, Lion, Tiger, Leopard, Wolf, Dog, Cat, and Rat, each encapsulating its movement and capture rules;
A 9x7 board that models cell types (river, trap, den, land) and ownership;
Movement validation, capturing logic, turn handling, and win conditions;
A simple API to initialize the board in a standard setup, place pieces, query/display board state, and execute moves;
Test cases that (a) initialize the board and place all pieces, (b) demonstrate a lion moving to capture another piece, and (c) simulate a full turn with several moves. Input: actions invoked via predefined APIs (no CLI/IO required). Data constraints: at most 16 pieces on the board.

Design an Animal Chess OOP simulation

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