
Solve Next Greater Element using Python to enhance your skills with python coding practice , master coding concepts, and prepare for interviews with practical exercises and detailed solutions.
Difficulty : Medium
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Given an array of integers, find the next greater element for each element. The next greater element is the first greater element on the right side of the current element. If no greater element exists, use -1.
Input: [4,5,2,10,8] Output: [5,10,10,-1,-1] Explanation: 4 -> 5 (next greater) 5 -> 10 (next greater) 2 -> 10 (next greater) 10 -> -1 (no greater) 8 -> -1 (no greater)
Input: [2,1,2,4,3] Output: [4,2,4,-1,-1] Explanation: 2 -> 4 1 -> 2 2 -> 4 4 -> -1 3 -> -1
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