#557Medium#33 in Wix's list· asked at 28 companies
Find peak element
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What we know
Example 1
Input: nums = [1,2,3,1] Output: 2
3 is a peak.
Example 2
Input: nums = [1,2,1,3,5,6,4] Output: 5
Index 1 (value 2) is also a valid peak.
Constraints
- •
1 <= nums.length <= 1000 - •
-2^31 <= nums[i] <= 2^31 - 1 - •
nums[i] != nums[i + 1]for all valid i.