Welcome to the first Mackenzie Logic Evaluation (MLE) of the 2019-2020 year!

This contest consists of 3 problems, the difficulty of which may range anywhere from CCC Junior to CCC Senior. You will have the 1 hour to complete the contest. For every 2 minutes you submit before the end of the contest, there will be a 1 point bonus. There will also be a 10 point bonus for fully solving on the first try.

The problems will be in a random order of difficulty. Therefore, you are recommended to read all the problems.

The problem setter of this contest will be Ninjaclasher.


Before the contest date, you may wish to check out the tips page.

After joining the contest, you proceed to the Problems tab to begin. You can also go to Users if you wish to see the rankings.

We have listed below some advice as well as contest strategies:

  • Start from the beginning. Ties will be broken by the sum of times used to solve the problems starting from the beginning of the contest. The last submission time of your highest score will be used.
  • Remove all extra debugging code and/or input prompts from your code before submitting. The judge is very strict — most of the time, it requires your output to match exactly.
  • Do not pause program execution at the end. The judging process is automated. You should use stdin / stdout to perform input / output, respectively. It is guaranteed that all the problems will be solvable with C++.
  • Read carefully, and try to attempt all the problems. They may not be as hard as they seem and you may get partial points!

At the end of the contest, you may comment below or on Discord to appeal a judging verdict. In the case of appeals, the decision(s) of staff is final.

Good luck.


Problems

Problem Points AC Rate Users
A Swapping Problem 5 28.6% 18
A Vector Problem 3 29.2% 29
A Tree Problem 2 15 30.4% 6

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