Rules for contest 

1. Using Graphx (C++) is allowed refer Github code: https://github.com/phpduke/Algorithms-Notebook/blob/master/GraphX.cpp

 For Python users, here is blackbox-template: Algorithms-Notebook/SimpleGraphTemplate.py at master · phpduke/Algorithms-Notebook (github.com)

For Java users, here is blackbox-template + Fast I/O template: Algorithms-Notebook/SimpleGraphTemplate.java at master · phpduke/Algorithms-Notebook (github.com)

2. Contest will have 3 problems to be solved in 90 minutes ⏰
3. The leaderboard will get updated in every 5 minutes, do not panic. 

📍 Quick tip: Read ALL Problems, best of luck!