Problems by mainstring

Earn Your Cupcake
A delicious NxN grid is given to you. All the lattice points of this grid contain a cupcake each exc...
N-Ta-Gon Has a Problem
N-ta-gon is a regular convex polygon shaped stadium where the polygon has N arms. Recently an alien ...
Paranoid Trading
You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta...
DP Moderate 35/166/453
Pizza From SpongeBob
SpongeBob recently got obsessed with his (not perfect) rectangular face and has started making recta...
Moderate 14/18/46
Puzzle of 1's and 0's
There is a rectangular puzzle board containing N×Mnumber of places. Each place contains a number: ei...
Simple As a Substring!
Many years have passed after Simba's death. The jungle has a new lion cub born just a few hours ago....
Snake's Neck
Remember Violet and Dash from the movie "The Incredibles"? The two siblings recently installed the c...
DP Moderate 67/87/306
Stick Race
It is the annual sports event in your school. There is an event going on named ‘‘Stick Race’’. This ...
Moderate 7/11/31
The Reminder to Expect
Do you know Trevor Philips? Well he is a mad guy who gets mad at everything. Recently he got mad at ...
Math Moderate 8/11/23
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