### [Leetcode Pattern] Stack / Queue

Stack is used to address LIFO problems while queue for FIFO problems. The concept of data structure is…

A sliding window problem similar with Longest Repeating Character Replacement while requires more intricate technique.

Description

Given two strings `s`

and `t`

of lengths `m`

and `n`

respectively, return *the *** minimum window**…

Similar with Climbing Stairs that turns sum into max.

Description

You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each…

An extension of Reverse Linked List. The essence is leveraging decrease and conquer.