Practice Next Greater Element IV
Master the Next Greater Element IV LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Next Greater Element IV
For every nums[i], scan indices to its right and find the second entry strictly greater than nums[i], counting qualifying positions in index order. Return that entry value, or -1 when fewer than two qualifying entries exist. Return one result per input index.
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Understanding the Next Greater Element IV Problem
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Problem Statement
For every nums[i], scan indices to its right and find the second entry strictly greater than nums[i], counting qualifying positions in index order. Return that entry value, or -1 when fewer than two qualifying entries exist. Return one result per input index.
Source: Next Greater Element IV on LeetCode. Use the original task for its coding environment and submissions.
Next Greater Element IV
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How PhantomCodeAI Helps
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Examples
# Example 1
nums = [2,4,0,9,6]
[9,6,6,-1,-1]
# Example 2
nums = [3,3]
[-1,-1]
Constraints
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