Hello everyone!

Another long and exciting contest is here, May Circuits '19, a challenging challenge with 8 amazing problems, should be solved in 10 days. The contest will start on May 24, 15:30 PM UTC.

Thanks to problem setters for doing such a fantastic job, we have:

• Four problems from Kasra KMAASZRAA Mazaheri.
• A problem from Danylo Danylo99 Mocherniuk.

Also, I helped them by adding three problems.

I, Danial Danial Erfanian, and, Javad javaD Karimi were the testers of the round, and we enjoyed solving problems, we're entirely sure that you'll enjoy too!

To make the challenge more interesting, we will add problems to the contest in this order:

• Day 0: Very-Easy, Easy-medium, Approximation.
• Day 1: Easy-Medium, Easy-medium.
• Day 4: Medium-Hard, Medium-Hard.
• Day 6: Hard.

As usual, there will be some sweet 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!