Problem of The Day: Merge k Sorted Lists
Problem Statement ``` You are given an array of k linked-lists lists, each linked-list is sorted in ascending order.
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Daily Reading: Mindset
My Daily Reading Today, I learned about the truth of ability and accomplishment. It takes a significant amount of time and effort to develop one’s skills. Ma...
Problem of The Day: Sum of Subarray Minimums
Problem Statement ``` Given an array of integers arr, find the sum of min(b), where b ranges over every (contiguous) subarray of arr. Since the answer may be...
Daily Reading: Mindset
My Daily Reading From tonight’s reading, I’ve learned that our mindset can affect how we see effort. In a fixed mindset, we might look down on people who spe...
Problem of The Day: Maximum Length of a Concatenated String with Unique Characters
Problem Statement ``` You are given an array of strings arr. A string s is formed by the concatenation of a subsequence of arr that has unique characters.