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

Programming Exercises

Implement a method to flatten a nested array without using the flatten method.

Medium

Problem Statement

Implement a method to flatten a nested array without using the flatten method.

Sample Input

[[1, 2, [3]], 4]

Sample Output

[1, 2, 3, 4]

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
# Predefined nested array nested_array = [[1, 2, [3]], 4] # Your logic here
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Input
[[1, 2, [3]], 4]
Expected Output
[1, 2, 3, 4]