π The universal signal reception station is now online. Welcome to Huachenβs cosmos! π βππ¨π§π§ππππ’π§π ππ¨ ππ‘π ππππ°π¨π«π€β¦ β ππππ
π 1οΈβ£ Introduction Proximity Service is a key component in many modern applications: Yelp: Find nearby restaurants and shops Google Places: Return ne
π Problem Overview You are given a directed, weighted graph with n nodes (1-indexed), and a list of travel times times, where each element is [u, v,
π§© Problem Summary You are given an integer array nums where each element represents your maximum jump length at that position. Your goal is to return
π§ Problem Overview Youβre given an integer array nums, where each element represents the maximum jump length from that position. Starting at index 0,
π Problem Overview You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, but adjacen
Problem Summary You are given numCourses courses labeled from 0 to numCourses - 1, and a list of prerequisites where each element is a pair [a, b] mea
π Problem Overview Youβre given an m x n grid, where: 0 represents an empty cell 1 represents a fresh orange 2 represents a rotten orange Each minute
π Problem Summary You are given a 2D grid consisting of '1's (land) and '0's (water). An island is formed by connecting adjacent lands horizontally o