• New Year Deal and New Maya Mission

checkio coding js

Hello CheckiO users! 🙂

New 2022 Year is coming. Thank you for being with us so far. That was great!. We have a lot of new stuff prepared for 2022. I'm sure you'll love it.

We have prepared a deal for those who want to make the year 2022 - the code year. Use Promo Code HAPPY2022 before February 1st to buy One Year Awesome with a 40% discount. Happy Coding and Happy New Year!

The "Easy" level is now available on registration and profile edit forms. We have the first three stations full of very easy missions for that level.

Challenge yourself with our mission

Filling by Phil15 - This will end on Maya Island. You have a rectangular grid with digits. You have to fill the grid with digits in such a way that each connected region (diagonally separated squares are not adjacent) of identical digits has an area equal to that common digit.

filling([[0, 2, 0], [0, 0, 2], [0, 1, 0]]) == [[2, 2, 1], [3, 3, 2], [3, 1, 2]]

The users who’ve made the TOP 3 this month are Magu, Alex_4444D, and StefanPochmann.You are doing great, guys! Keep on coding! 👏🏼

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Welcome to CheckiO - games for coders where you can improve your codings skills.

The main idea behind these games is to give you the opportunity to learn by exchanging experience with the rest of the community. Every day we are trying to find interesting solutions for you to help you become a better coder.

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