LeetCode 724 | Find Pivot Index | Prefix Sum Approach

In this video, we solve LeetCode 724 — Find Pivot Index using an optimized approach with prefix sums.

Instead of recalculating sums for every index, we precompute a prefix sum array to efficiently get left and right sums.

Topics covered:
- Prefix Sum Array
- Optimizing brute force
- Array problem solving

Time Complexity: O(n)
Space Complexity: O(n)

This is part 2 of the series. In the next video, we’ll further optimize this to O(1) space.

#leetcode #dsa #arrays #prefixsum

Видео LeetCode 724 | Find Pivot Index | Prefix Sum Approach канала Pikirisu Logs