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Grokking the Coding Interview Patterns in C++

Next Greater Element I

Explore how to solve the Next Greater Element problem by applying hash maps for efficient data lookup. Understand finding the immediate greater element on the right side in a related array, and create a result array corresponding to the subset values.

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Statement

Given the two distinct integer arrays, nums1 and nums2, where nums1 is a subset of nums2, find all the next greater elements for nums1 values in the corresponding places of nums2.

In general, the next greater element of an element, xx, in an array is the first greater element present on the right side of xx in the same array. However, in the context of this problem, for each element xx ...