Hey everyone!
I'd like to invite you to participate in July Circuits '19. The contest duration is 9 days and will start on July 19, 15:30 PM UTC.
The contest consists of 7 algorithmic problems and 1 approximation problem. The problems have been prepared by ankeshgupta007, KMAASZRAA, MazzForces, Danial, mtarani and myself. The round has been coordinated and tested by Arpa.
The problems are of varying difficulty levels and will be added to the Contest in the following order:-
- Day 0: Very-Easy, Easy-medium, Approximation.
- Day 1: Easy-Medium, Easy-medium.
- Day 4: Medium, Medium-Hard.
- Day 6: Hard.
As usual, there will be some exciting prizes for the top five competitors:
- First place: $100 Amazon gift card + HE t-shirt.
- Second place: $75 Amazon gift card + HE t-shirt.
- Third place: $50 Amazon gift card + HE t-shirt.
- Fourth place: HE t-shirt.
- Fifth place: HE t-shirt.
Hope to see you at the scoreboard!
Upd: The Contest has started.
where are the editorials ?????????????
How to solve XOR problem,seems some kind of matrix exponentiation but I can't figure it out.