Prefix Suffix Leetcode Problem
I wanted to solve problem 1769 on leetcode on my own but i couldnt do it. Im learning prefix sum algorithm so i wanted to solve it with that algorithm. I've been looking at this solution for like an hour now and i still cant understand why it works. What does the "balls" variable track? I'd be really happy if someone could help me understand it.
solution: https://leetcode.com/problems/minimum-number-of-operations-to-move-all-balls-to-each-box/solutions/4613483/c-o-n-using-prefix-suffix-moves-calculation/
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