Hey, I'm Nitin Ahirwal.

LeetCode Challenge Day 93 — 3573. Best Time to Buy and Sell Stock V

Day 93 of my LeetCode challenge! Today's problem is "Best Time to Buy and Sell Stock V" — a dynamic programming problem that extends classic stock trading by allowing both long and short transactions.

LeetCode Challenge Day 91 — 2110. Number of Smooth Descent Periods of a Stock

Day 91 of my LeetCode challenge! Today's problem is "Number of Smooth Descent Periods of a Stock" — a simple yet elegant counting problem based on recognizing consecutive patterns in arrays.

LeetCode Challenge Day 90 — 2147. Number of Ways to Divide a Long Corridor

Day 90 of my LeetCode challenge! Today's problem is "Number of Ways to Divide a Long Corridor" — a combinatorics + greedy counting problem focused on grouping seats correctly.

LeetCode Challenge Day 88 — 3433. Count Mentions Per User

Day 88 of my LeetCode challenge! Today's problem is "Count Mentions Per User" — a simulation problem involving user online/offline states and message parsing.