Count Negative Numbers in a Sorted Matrix with Python, JavaScript, Java and C++ - LeetCode
Let's solve Count Negative Numbers in a Sorted Matrix, LeetCode #1351!
Learn how to count the number of negative numbers in a sorted matrix using Python. This step-by-step tutorial video provides a clear explanation of the 'Count Negative Numbers in a Sorted Matrix' problem and demonstrates an efficient Python algorithm to solve it. Understand the approach of traversing the matrix and identifying negative numbers. Enhance your problem-solving skills and algorithmic thinking with this educational video. Watch now and master the technique to count negative numbers in a sorted matrix using Python
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■ Timeline
0:00 Read the question of Count Negative Numbers
1:15 Coding with Brute force
2:02 Time Complexity and Space Complexity for Brute force
2:17 Coding with Binary Search
3:52 Time Complexity and Space Complexity for Binary Search
4:16 Explain a basic idea to solve Count Negative Numbers with O(m+n)
9:07 Coding with O(m+n)
11:02 Time Complexity & Space Complexity
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■ Problem Link
https://leetcode.com/problems/count-n...
■ Codes in the video
Python
https://github.com/marutaro/leetcode/...
JavaScript
https://github.com/marutaro/leetcode/...
Java
https://github.com/marutaro/leetcode/...
C++
https://github.com/marutaro/leetcode/...
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