Скачать или смотреть One of the Most Popular 2D Matrix Coding Questions in Every Single Companies

LeetCode 240, "Search a 2D Matrix II," is a problem that involves searching for a target value in a 2D matrix where each row and column are sorted in ascending order.

The goal is to efficiently determine whether the target exists in the matrix.

The matrix has the property that the elements in each row are sorted from left to right, and the elements in each column are sorted from top to bottom.

One common approach to solve this problem is to start from the top-right corner of the matrix.

If the current element is equal to the target, the search is successful.

If the current element is smaller than the target, it implies that the entire row to the left can be eliminated, so we move to the next row.

If the current element is larger than the target, it implies that the entire column below can be eliminated, so we move to the previous column.

This process continues until the target is found or the search space is exhausted.

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Time Complexity = O(m + n), where ‘m,n’ are the number of rows and columns

Space Complexity = O(1)

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Follow 👉 @‌the_david_jiang

Follow 👉 @‌the_david_jiang

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My name is David and I am a software engineer at Meta. My passion is teaching software devs how to pass the grueling technical interviews to help them land their 6-figure dream tech job.

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