Merge the two sorted halves using a dummy node and pointer traversal. 🧩 Core Functions: findMid (head) → returns the mid node. merge (left, right) → merges two sorted linked lists. mergeSort (head) → ...
Return true if count is exactly one else false. 2. Minimum Energy to Maintain Brightness If you've solved LeetCode 𝟱𝟲: 𝗠𝗲𝗿𝗴𝗲 𝗜𝗻𝘁𝗲𝗿𝘃𝗮𝗹𝘀, this problem becomes quite easy. The first step ...
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