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The Tough Winter Spar, 2019

This winter, Toph will bring you 10 frigid programming problems. Do you have what it takes to solve these problems in 10 days?

Complete list of authors will be added soon.


The contest will start on December 25, 2019 at 12:00 PM UTC and will run for 240 hours.


The authors of this contest are Hasinur_, jackal_1586, tahmedge, and Zeronfinity.

Hasinur_'s Avatarjackal_1586's Avatartahmedge's AvatarZeronfinity's Avatar


This contest is formatted as per the official rules of ICPC Regional Programming Contests. It will start with 4 problems. For the next 3 days, 2 problems will be unlocked every day. Problems will be unlocked at 6pm +0600. See details...

You can use Bash 5.0, Brainf*ck, C# Mono 6.0, C++11 GCC 7.4, and 16 other programming languages C++14 GCC 8.3, C++17 GCC 9.2, C11 GCC 9.2, Free Pascal 3.0, Go 1.13, Haskell 8.6, Java 1.8, Kotlin 1.1, Node.js 10.16, Perl 5.30, PHP 7.2, PyPy 7.1 (2.7), PyPy 7.1 (3.6), Python 2.7, Python 3.7, and Ruby 2.6 in this contest.

Be fair, be honest. Plagiarism will result in disqualification. Judges’ decisions will be final.

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