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

Programming Exercises

Write a function to find the longest common subsequence between two strings.

Hard

Problem Statement

Write a function to find the longest common subsequence between two strings.

Sample Input

abcde, "ace"

Sample Output

ace

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
def longest_common_subsequence(): s1 = "abcde" s2 = "ace" # Your code here return
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Input
abcde, "ace"
Expected Output
ace