@DrewDrashy
Software Developer
Nothing here yet.
Nothing here yet.
Jun 23, 2025 · 4 min read · Foreground Service. Building apps that track user location in the background can be tricky—Android requires a persistent foreground service, special permissions, and a correctly wired-up native project. If you’re using Expo (managed or bare), here’s ...
Join discussion
May 28, 2025 · 3 min read · Problem Summary You are given a tree with n nodes rooted at node 1, and each edge initially has a weight of 0. The task is to assign each edge a weight of either 1 or 2. The cost of a path is defined as the sum of edge weights along the path. Use the...
Join discussion
May 27, 2025 · 3 min read · Problem Statement:You are given an array: arr = {10, 20, 30, 40, 50}; And the following queries: Add 5 to every element in the interval [1, 3] Add 10 to every element in the interval [2, 4] What should the final array look like after all these ...
Join discussion