Monotonic Stack in Python with Tests

Monotonic Stack holds 31 problems (2 Easy, 18 Medium, 11 Hard). Generate any of them into the current directory with lcpy gen -n <number>.

#	Problem	Difficulty	Solution
42	Trapping Rain Water	Hard	solution.py
84	Largest Rectangle in Histogram	Hard	solution.py
85	Maximal Rectangle	Hard	solution.py
255	Verify Preorder Sequence in Binary Search Tree	Medium	solution.py
316	Remove Duplicate Letters	Medium	solution.py
321	Create Maximum Number	Hard	solution.py
402	Remove K Digits	Medium	solution.py
456	132 Pattern	Medium	solution.py
496	Next Greater Element I	Easy	solution.py
503	Next Greater Element II	Medium	solution.py
581	Shortest Unsorted Continuous Subarray	Medium	solution.py
654	Maximum Binary Tree	Medium	solution.py
739	Daily Temperatures	Medium	solution.py
768	Max Chunks To Make Sorted II	Hard	solution.py
769	Max Chunks To Make Sorted	Medium	solution.py
853	Car Fleet	Medium	solution.py
901	Online Stock Span	Medium	solution.py
907	Sum of Subarray Minimums	Medium	solution.py
962	Maximum Width Ramp	Medium	solution.py
975	Odd Even Jump	Hard	solution.py
1475	Final Prices With a Special Discount in a Shop	Easy	solution.py
1526	Minimum Number of Increments on Subarrays to Form a Target Array	Hard	solution.py
1574	Shortest Subarray to be Removed to Make Array Sorted	Medium	solution.py
1762	Buildings With an Ocean View	Medium	solution.py
1793	Maximum Score of a Good Subarray	Hard	solution.py
1856	Maximum Subarray Min-Product	Medium	solution.py
1944	Number of Visible People in a Queue	Hard	solution.py
1966	Binary Searchable Numbers in an Unsorted Array	Medium	solution.py
2487	Remove Nodes From Linked List	Medium	solution.py
2818	Apply Operations to Maximize Score	Hard	solution.py
2940	Find Building Where Alice and Bob Can Meet	Hard	solution.py

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Monotonic Stack in Python with Tests