https://leetcode.com/problems/maximum-width-ramp/description/


Max j-i between a[i] <= a[j] in array #medium #monotonic_stack #sorting

https://leetcode.com/problems/find-score-of-an-array-after-marking-all-elements/description/

Sum of minimums in order excluding siblings #medium #monotonic_stack

https://leetcode.com/problems/final-prices-with-a-special-discount-in-a-shop/description/

Subtract next smaller value #easy #monotonic_stack

https://leetcode.com/problems/find-building-where-alice-and-bob-can-meet/description/

Common indices t, h[t] > h[a], h[t] > h[b] for queries q[][a,b] #hard #monotonic_stack

Multiply k numbers with max prime factor count #hard #monotonic_stack


https://leetcode.com/problems/apply-operations-to-maximize-score/description

# 10.11.2025
[3542. Minimum Operations to Convert All Elements to Zero](https://leetcode.com/problems/minimum-operations-to-convert-all-elements-to-zero/description) medium

Min ops to zeros by making min of subarrays 0 #medium #monotonic_stack