LeetCode Helper: AI-powered Interview Prep & Problem Solver
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LeetCode Helper: AI-powered Interview Prep & Problem Solver
Enter problem titles, get optimal code & explanations. Compare your solutions, ask the AI, get free learning resources. Land your dream job: DSA roadmap, HR prep, Best Solutions for LeetCode problems.
2024年2月21日
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Govind Pothuraju on Instagram: "👉 Comment “CODE” if you want solutions in C++, Java & Python Day 49/200: LeetCode 74 — Search a 2D Matrix 🔍 You are given a matrix where: Each row is sorted left to right The first element of each row is greater than the last element of the previous row Find whether a target value exists in the matrix. ✅ Optimal Approach (Binary Search – O(log(m×n))): Treat the 2D matrix as a flattened 1D array Index mapping: row = mid / cols col = mid % cols &#x1f
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Govind Pothuraju on Instagram: "👉 Comment “CODE” if you want solutions in C++, Java & Python Day 49/200: LeetCode 74 — Search a 2D Matrix 🔍 You are given a matrix where: Each row is sorted left to right The first element of each row is greater than the last element of the previous row Find whether a target value exists in the matrix. ✅ Optimal Approach (Binary Search – O(log(m×n))): Treat the 2D matrix as a flattened 1D array Index mapping: row = mid / cols col = mid % cols &#x1f
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