PhonePe Merge K Sorted Transaction Lists
PhonePe Merge K Sorted Transaction Lists
HardLinked Lists100% accepted
PhonePe has k sorted linked lists of transactions. Merge them all into one sorted linked list.
Approach
Merge k sorted linked lists into one sorted list.
Input
3 lists
1 4 5
1 3 4
2 6
Output
1 1 2 3 4 4 5 6
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