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2021-01-12 by Ryan N Wilson
Problem: Given a mapping of digits to letters (as in a phone number), and a digit string, return all possible letters the number could represent. You can assume each valid number in the mapping is a single digit. For example...
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2021-08-15 by Ryan N Wilson
Problem: This problem was asked by Google. In linear algebra, a Toeplitz matrix is one in which the elements on any given diagonal from top left to bottom right are identical. Here is an example:
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2021-09-15 by Ryan N Wilson
As I practice solving problems on LeetCode.com I wanted to keep track of pieces of syntax I find to be useful that let Python shine: Lists are great for stacks. For queues use deques...