Grokking the Coding Interview: Patterns for Coding Questions
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Solution: Next Greater Element
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Problem Statement

Given two integer arrays nums1 and nums2, return an array answer such that answer[i] is the next greater number for every nums1[i] in nums2.

The next greater element for an element x is the first element to the right of x that is greater than x. If there is no greater number, output -1 for that number.

The numbers in nums1 are all present in nums2.

Examples

    • Input: nums1 = [4,2,6], nums2 = [6,2,4,5,3,7]
    • Output: [5,4,7]
    • Explanation: The next greater number for 4 is 5, for 2 is 4, and for 6 is 7 in nums2.

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