Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Solve the N-Queens Problem Using Backtracking.

Hard

Problem Statement

Solve the N-Queens Problem Using Backtracking.

Sample Input

N = 4

Sample Output

1

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function solveNQueens($n) { /* Your code here */ } ?>
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Input
N = 4
Expected Output
1