Algorithm Developer Interview Questions

982 algorithm developer interview questions shared by candidates

Reversi / Othello Game Logic: You receive a board size n and a series of moves. You have to simulate the game mechanics of Othello/Reversi. This involves placing a piece, checking all 8 directions (vertical, horizontal, diagonal) for opponent pieces, and "flipping" them if they are sandwiched between your pieces. You had to return the final score of Black vs. White pieces.
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PhD Algorithm Development Intern

Interviewed at Hudson River Trading

4.2
Nov 11, 2025

Reversi / Othello Game Logic: You receive a board size n and a series of moves. You have to simulate the game mechanics of Othello/Reversi. This involves placing a piece, checking all 8 directions (vertical, horizontal, diagonal) for opponent pieces, and "flipping" them if they are sandwiched between your pieces. You had to return the final score of Black vs. White pieces.

1) Given an array of list, determine if each number in the list can be written as a sum of 2 Fibonacci numbers. 2) Pandas questions. 3 & 4) Determine how many squares (q3) and rectangle (q4) can be formed given a bunch of points on the coordinate system.
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Algorithm Developer

Interviewed at Hudson River Trading

4.2
Nov 30, 2022

1) Given an array of list, determine if each number in the list can be written as a sum of 2 Fibonacci numbers. 2) Pandas questions. 3 & 4) Determine how many squares (q3) and rectangle (q4) can be formed given a bunch of points on the coordinate system.

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