Merge Two Sorted Lists
Merge two sorted linked lists into one sorted list Example: [1,2,4], [1,3,4] => [1,1,2,3,4,4]
Merge Two Sorted Lists rewards structured search and good pruning more than raw cleverness. It's a great warm-up that builds structured exploration without a ton of moving parts. If you can explain your pruning, this stops feeling like brute force.
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