Spring 2023 Virtual Programming Contest

April 2, 2023 9:15 AM - April 2, 2023 3:30 PM PDT
618
Total Participants
212
Total Teams
10.2%
Year-over-year Growth
Novice/Advanced
Divisions
TeamsCode Spring 2023 Online Programming Contest will take place on Sunday, April 2nd, from 9:15 AM to 3:30 PM (Pacific Time) through a Youtube livestream! Computer science students are welcomed to join this competitive programming experience! Teams of up to 4 students will spend 3 hours solving interesting algorithmic problems. There will be two divisions: Novice and Advanced. Thousands of dollars worth of prizes will be given out, including placement awards, raffle prizes, and more! Only pre-college participants are eligible for prizes.

Contest Winners

Advanced Division
1st
Dan’s Crayon’s LLC (collegiate)
Alex Datskovskiy, Alex Mikhnenko, Vova Novikov, Vlad Bargatin
2nd
The Hardest Part
Alperen Tupurtu, Eliška Macáková, Ketevan Tsimakuridze, Mohamed Bakry
3rd
mike4235 fanclub
Tran Xuan Bach, Pham Quoc Hung, Hoang Ngoc Bao Khue, Nguyen Quang Minh
4th
codetigerorz
Benjamin Chen, Alex Fan, Austin Geng
5th
CCA Team 1
Ryan Bai, Justin Luo, Shreyas Thumathy, Hansen He
6th
X-Camp O(constructives^💀)
Bing-Dong Liu, Brian Xue, Alex Chen, Bobby Costin
Novice Division
1st
En_Takim
Yusuf Emir Cosar, Mert Koksal, Erkam Uysal, Fatih Solak
2nd
ghostyOTZ
Srivaths P, Harshin Posina, Ishan Joshi, Naveen Pramod Kulkarni
3rd
Chicagooo
Joshua Liu, Aditya Gupta, Joseph Jiang, Lin Liu
4th
DP_CODERS
Omar Ahmed Abdelaziz Mohamed, Ahmed Gamal Kamel Mohamed Osman
5th
UCCCCCCCCCC...
William Bi, Patrick Tang, Darwin Li

Schedule Overview

Opening Ceremony and Rule Review
Join us at Youtube Livestream to watch the opening ceremony. We will also be going over the rules of the contest.
Apr 2nd 9:15 AM - 9:45 AM PDT
Coding time! Last submission by 12:45 PM
Login to TeamsCode Contest Portal and start coding! All team members can submit solutions and get instant feedbacks until 12:45 PM.
Apr 2nd 9:45 AM - 12:45 PM PDT
Lunch Break
Please take a short break while we get ready for the speaker events. If you need, feel free to eat lunch while listening to the speakers.
Apr 2nd 12:45 PM - 1:00 PM PDT
Guest Speaker: Mr. Calvin Johnson
How to Harness the Power of Technology and Ethics by Mr. Calvin Johnson.
Apr 2nd 1:00 PM - 2:00 PM PDT
Guest Speaker: Dr. Jane Bae
Mathematics to Aerospace: There and Back Again by Dr. Jane Bae from Caltech.
Apr 2nd 2:00 PM - 3:00 PM PDT
Raffle, Contest Winners Announcement, and Closing Ceremony
Tune in to our Youtube Livestream to watch the winners announcement, raffle, and our final closing ceremony.
Apr 2nd 3:00 PM - 3:30 PM PDT
Apr 2nd  9:15 AM -  9:45 AM
Opening Ceremony and Rule Review
Join us at Youtube Livestream to watch the opening ceremony. We will also be going over the rules of the contest.
Apr 2nd  9:45 AM -  12:45 PM
Coding time! Last submission by 12:45 PM
Login to TeamsCode Contest Portal and start coding! All team members can submit solutions and get instant feedbacks until 12:45 PM.
Apr 2nd  12:45 PM -  1:00 PM
Lunch Break
Please take a short break while we get ready for the speaker events. If you need, feel free to eat lunch while listening to the speakers.
Apr 2nd  1:00 PM -  2:00 PM
Guest Speaker: Mr. Calvin Johnson
How to Harness the Power of Technology and Ethics by Mr. Calvin Johnson.
Apr 2nd  2:00 PM -  3:00 PM
Guest Speaker: Dr. Jane Bae
Mathematics to Aerospace: There and Back Again by Dr. Jane Bae from Caltech.
Apr 2nd  3:00 PM -  3:30 PM
Raffle, Contest Winners Announcement, and Closing Ceremony
Tune in to our Youtube Livestream to watch the winners announcement, raffle, and our final closing ceremony.

Contest Details

General Rules

  • Only teams with only middle or high school students (rising 6th - senior) are eligible for prizes, however everyone (college students, workers) is welcome to compete.
  • Each team may have up to 4 people. Team members may not receive any help from anyone outside of their team.
  • Teams must submit at least once to be eligible for raffle prizes.
  • Teams may use multiple computers and submit answers in multiple languages.
  • Pre-written code and online reference guides are allowed (Essentially internet is allowed as long as you’re not asking people how to solve our problem).
  • We reserve the right to disqualify participants who intentionally participate in divisions with problem difficulties that are too low for the skill level of the participant. For example, USACO finalists and International Masters on Codeforces cannot participate in the Novice division. We do not tolerate those who attempt to undermine the fairness of the competition.
  • There are two divisions: Novice and Advanced. We expect each division will be interesting for participants of the following skill levels:
    • The novice division is intended for students who know programming but have not started or have just started competitive programming:
      • Taking or have taken APCS
      • USACO Bronze-Silver
      • 0 - 1500 Codeforces rating
    • The advanced division is intended for anyone who is confident in their competitive programming ability:
      • USACO Gold and above
      • 1600+ Codeforces rating
  • Contest page https://spring23.teamscode.org
  • Join our discord server here: https://go.teamscode.org/discord for important contest announcements or if you have any questions.
  • Try more problems from the last contest:

Problem Format

  • Description: an overview of the problem.
  • Input Format: specifies how the input will be formatted, including constraints on the size of parameters. (constraints may be stated in the Description).
  • Output Format: specifies how the output should be formatted - if you don’t follow this format exactly, your answer will most likely be marked as incorrect.
  • Sample Input: provides a sample input to help you test your code.
  • Sample Output: provides the expected output to the sample input.
  • Sample Explanation: provides an explanation of how the sample output was obtained from the sample input.

Submitting Solutions

  • Allowed Languages: C++, C, Java, Python 2, Python 3
  • Solutions will be submitted through the contest page listed above. The code for each problem should be copy-pasted into the box that appears after clicking “Submit Code”.
  • For Java submissions, the class name of your main function must be Main.
  • The file size containing your code must not exceed 50 KB.
  • Default Constraints
    • Note that constraints may vary depending on the problem.
    • Time Limit: Your program must run in under 2,000 ms (2 seconds) for C and C++, under 4,000 ms (4 seconds) for Java, and under 8,000 ms (8 seconds) for Python. Time limits for each language may be different if specified in a problem.
    • Memory Limit: The program's memory must not exceed 256 MB
  • Use Standard Input in your code. This means that test cases are directly typed into the console. Here’s an example for each of the allowed languages:
    Java: Scanner(System.in) C++: cin>> Python: input() C: scanf()
  • Use Standard Output in your code. This means that the output directly prints to the console. Here’s what standard output looks like for each of the languages:
    Java: System.out.println() C++: cout<< Python: print() C: printf()

Scoring

Problem Difficulty

  • There are ~10 total problems in ascending order of difficulty.

Problem Points

  • All problems are each worth 100 points. Each problem has some number of tests (usually 10 or 20). Sample test is worth 0 point. If you solve X non-sample tests correctly for a problem with Y non-sample tests, you get (X/Y * 100) points.
  • Note that each test may have multiple test cases where each test case must be solved correctly to get points for the test.
  • Output must match exactly with expected output to receive points for the test case - there is no partial credit.

Problem Tests

  • The first test is always the sample given in the problem.
  • Some problems will have explicitly stated subtasks. For example, a problem with 10 tests may have tests 1-5 with N<=10 and tests 6-10 with N<=100.

Ties

  • Ties will be broken by the timestamp on the last submission that increases your total score.