Christmas Contest 2021

Welcome to the 2021 Christmas contest!

You will have 7 days to solve 10 Christmas-related problems of increasing difficulty. All problems will have full feedback and some will offer partial points in the form of subtasks.

You are encouraged to read all of the problems, most of which are beginner or intermediate level. It is guaranteed that all problems will be solvable using C++ and Java.

Good luck and Merry Christmas!


Problems

Problem Points AC Rate Users
Santa and Names 3 77.4% 44
Santa and Hats 3 74.6% 41
Santa and Letters 5 58.6% 38
Santa and Wages 5p 17.1% 27
Santa and Pipes 5 34.9% 21
Santa and Sleighs 7 53.2% 17
Santa and Cookies 7p 19.0% 14
Santa and Reindeer 7p 20.2% 12
Santa and Flight Paths 7 87.5% 15
Santa's Wrath 15p 10.0% 6

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