Smallest Range Covering Elements from K Lists

📝 Description

Find smallest range that includes at least one number from each of k lists

Input Format

List of k sorted integer lists

Output Format

Smallest range [start, end]

Constraints

nums.length == k

🔍 Sample Input

[[4,10,15,24,26],[0,9,12,20],[5,18,22,30]]
            

✅ Sample Output

[20,24]