Matrices pattern
Set Matrix Zeroes
Given an m x n matrix, if any element is 0 set its entire row and column to 0, modifying the matrix in place. Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 73
- Medium
- 2 approaches
Sign in with Google or GitHub and you land straight on this page. DSA comes with the all labs plan and every ChaiCode batch.
MatricesLeetCode 73
Medium
From the first idea to the best one
- 01 Brute force · row & column sets O(R·C)O(R + C) space
- 02 Optimized · markers in first row/col O(R·C)O(1) space
What you will learn
- How to read Set Matrix Zeroes and spot the matrices pattern in it
- Brute force · row & column sets: O(R·C) time, O(R + C) space
- Optimized · markers in first row/col: O(R·C) time, O(1) space
- The pseudocode for each approach, its line lit as the animation runs
- Practice: write your own pseudocode and get it checked
More Matrices
See Set Matrix Zeroes run, step by step
Sign in and this page opens on the animation, with all 5 Matrices problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.