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Find Minimum in Rotated Sorted Array | LeetCode 153 | Binary Search Trick Explained🔥| O(log n)

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May 15, 2026
7:10

In today’s LeetCode Daily Challenge, we solve 153. Find Minimum in Rotated Sorted Array using an optimized Binary Search approach. This problem looks tricky at first because the sorted array is rotated, but with one important observation, we can solve it in O(log n) time. 💡 In this video: Understand the intuition behind rotated arrays Learn the binary search observation Step-by-step dry run Optimized Python solution Time & Space Complexity Interview tips and edge cases 📌 Problem Statement Given a sorted rotated array containing unique elements, return the minimum element. Example: Input: [4,5,6,7,0,1,2] Output: 0 🧠 Key Intuition The array is divided into: One sorted half One rotated half Using binary search: If nums[mid] less than nums[right] → minimum lies on the right side Else → minimum lies on the left side including mid ⏱ Complexity Analysis Time Complexity: O(log n) Space Complexity: O(1) 🎯 Topics Covered Binary Search Rotated Sorted Array Interview Preparation LeetCode Daily Challenge Array Searching Tricks 📢 Tags leetcode 153, find minimum in rotated sorted array, leetcode daily challenge, binary search problems, rotated sorted array, leetcode binary search, coding interview questions, dsa tutorial, python coding interview, leetcode solutions, daily leetcode challenge, array problems, binary search intuition, interview preparation, coding tutorial, leetcode medium problems, tech interview prep, find minimum rotated array, leetcode 153 python, coding problems 📌 Thumbnail Text Ideas Binary Search Twist 😱 Rotated Array Easy Trick LeetCode 153 Simplified Only ONE Observation Needed 🚀 📚 Useful References LeetCode Problem 153 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/description/?envType=daily-question&envId=2026-05-15

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Find Minimum in Rotated Sorted Array | LeetCode 153 | Binary Search Trick Explained🔥| O(log n) | NatokHD