Answer = max of dp [i]. Time: O (n²), Space: O (n) 3️⃣ Binary Search + Greedy (Further Optimized) Maintain a sub array where sub [k] = the smallest possible tail of an increasing subsequence of length ...
Given a 0-indexed integer array nums, find a peak element, and return its index. If the array contains multiple peaks, return the index to any of the peaks. You may imagine that nums [-1] = nums [n] = ...
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