Computing Minimum Knight Moves on a Chessboard Using BFS and DFS
Given an n × m chessboard (with 1 < n, m ≤ 400) and the starting position of a knight, determine the minimum number of moves required for the knight to reach every other square. If a square is unreachable, output -1.
Input Format
A single line containing four integers: n, m, start_x, and start_y.
Output Format
Print an n × m matrix. Each val ...
Posted on Tue, 09 Jun 2026 17:50:23 +0000 by fourteen00