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Hello everyone. Today is the Day 8 of the #100DaysOfCodeChallenge. Received a problem previously asked by Google with an easy tag to it. The Question On Day #8: A unival tree (which stands for "universal value") is a tree where all nodes under it hav...
Hello everyone. Today is the Day 7 of the #100DaysOfCodeChallenge. And it's a week!!!! Received a problem previously asked by Facebook with a hard tag to it. The Question On Day #6: Given the mapping a = 1, b = 2, ... z = 26, and an encoded message, ...
Hello. Today is the Day 6 of the #100DaysOfCodeChallenge. Received a problem previously asked by Google with a hard tag to it. The Question On Day #6: An XOR linked list is a more memory efficient doubly linked list. Instead of each node holding next...
Hey. Hope you have been enjoying the series so far. Today is the Day 5 of the #100DaysOfCodeChallenge. Received a problem previously asked by Jane Street (refer the hyperlink for the company details) with a medium tag to it. This question is a true p...
Hey, today is the Day 4 of the #100DaysOfCodeChallenge. Received a problem previously asked by Stripe with a hard tag to it. The Question On Day #4: Given an array of integers, find the first missing positive integer in linear time and constant space...
Hello, today is the Day 3 of the #100DaysOfCodeChallenge. Received a problem previously asked by Google with a medium tag to it. This is also listed in the hard set of problems on LeetCode. The Question On Day #3: Given the root to a binary tree, imp...
