Two Pointers pattern
Move Zeroes
Given an integer array, move all zeros to the end in place while keeping the relative order of the non-zero elements. Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 283
- Easy
- 2 approaches
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Two PointersLeetCode 283
Easy
From the first idea to the best one
- 01 Brute force · extra array O(n)O(n) space
- 02 Optimized · same-direction two pointers O(n)O(1) space
What you will learn
- How to read Move Zeroes and spot the two pointers pattern in it
- Brute force · extra array: O(n) time, O(n) space
- Optimized · same-direction two pointers: O(n) 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 Two Pointers
See Move Zeroes run, step by step
Sign in and this page opens on the animation, with all 12 Two Pointers problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.