Match Sticks Bob was playing with match sticks and discovered that he could create alphabets and numbers by arran... |
Make More Money You, the great businessman of TEUB, arrived at ESC land which consists of N cities numbered from 1 t... |
Greedy Grid Game “Uban game world” is an indoor gaming zone. It offers 5 game segments for only one ticket. Today, Al... |
Clock Fantasy One day the author imagined an analog clock with minute and hour arms. The thought was simple: if we... |
Strong Passwords Mitu had been using the password mitu1997qt on all her online accounts. And sure enough, her account... |
Shortest Path, Yet Again? Mr O is teaching Algorithms 101 to his students. The class just finished learning BFS and now he wan... |
Alligator Sky There are N balls in a box. You have two robots Alice and Bob. You will set favorite number for each... |
Farewell Gift for Messi Lionel Messi, the greatest footballer of all time, is going to retire from international football! O... |