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CCC Sign-ups 25/26

mwilliam1234 posted on Jan. 16, 2026, 1:07 p.m. 0

Hi everyone, this year's CCC will take place on February 18, 2026.
To compete, fill out the Google Form by 11:59 PM on January 31st.
Google Form Link

Welcome to STROJ!

mwilliam1234 posted on Sept. 29, 2025, 9:03 p.m. 1

The St. Robert Online Judge (STROJ) is a resource for STR's Coding Club, where we post problems, contests, and announcements.

Don't forget to join us for our Orientation Meeting on Friday, Oct. 3 after school in Room 118!

Classroom Code: sg4ycsmz
Instagram: @strcodingclub
Discord: https://discord.gg/NSjaY25hY6

print('Hello, World!')

You can get started by checking out this problem we've added for you.

Annual Winter Coding Contest (WCC) 2025

mwilliam1234 posted on Dec. 9, 2025, 12:19 p.m. 0

This year, we're excited to announce the continuation of our Annual Winter Coding Contest (WCC). 🎁🎄❄️
The Christmas-themed contest will take place on Friday, December 12th, 2025 after school in Room 118. The duration will be 1 hour 15 minutes, from 2:45 to 4:00 and contestants will compete individually.

Additionally, as part of the festive spirit, we'll be giving out free candy! 🍬

Can't wait to see you there!

CCC Prep 7

mwilliam1234 posted on Dec. 5, 2025, 10:37 a.m. 0

This week, we went over Breadth First Search (BFS) and Depth First Search (DFS)! Both are very important for the CCC Junior and commonly tested on J5.
Slides from this Friday: Slides

Advent of Code 2025

mwilliam1234 posted on Nov. 30, 2025, 10:09 p.m. 0

Advent of Code is recommencing for the 2025 year starting from tomorrow! A daily programming puzzle event that runs through December, race your friends to solve the new programming challenge each day.🎄❄️

Start by making an account on Advent of Code and by joining STR's private leaderboard: 2546402-9d8de069. 🎁

CCC Prep 6 (Nov. 28)

mwilliam1234 posted on Nov. 27, 2025, 3:43 p.m. 0

Coding Club will be continuing tomorrow (Nov. 28) after school in Room 118! Can't wait to see you there. We'll be continuing CCC Prep and will cover basic graph theory tomorrow.

This week we talked about 2-D grids! Slides

CCC Prep 5 (Nov. 14)

mwilliam1234 posted on Nov. 14, 2025, 10:33 a.m. 0

This week, we went over the CCC and did a mock practice. Here are the slides for today's presentation: Slides

Coding Team Tryouts Reminder

mwilliam1234 posted on Nov. 10, 2025, 11:25 a.m. 0

Reminder that Coding Team tryouts are today after school! Come to the library right after the bell.

Also, anyone who didn't sign up but still wants to do the contest (as practice) is welcome to come.

CCC Prep 4 (Nov. 5)

mwilliam1234 posted on Nov. 7, 2025, 10:26 a.m. 0

Today, we went over simulation-type problems!
Presentation from today: Slides

Coding Team Tryouts

mwilliam1234 posted on Nov. 4, 2025, 12:38 p.m. 0

This year, Coding Team tryouts will take place after school in the library on Monday, Nov. 10. It's going to run from 2:45 to 3:45.

For more information, refer to last week's slideshows: Slides Link

Make sure to fill out the tryout form: Forms Link

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Comment stream

  • Nexus514 → WCC '25 P6 - Christmas Specials 📺
  • yujh → CCC '25 J5 - Connecting Territories
  • yujh → 2025 Coding Team Tryouts P5 - Sphinxes and Math Team
  • Deo → Apocalypse
  • Deo → Coding Team Tryout 2025
  • Deo → Robbie Can't Do Math
  • yujh → Maximum Residue
  • Ivan_Li → Bob and Sticks
  • yujh → Bob and Sticks
  • yujh → Palindromes
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New problems

  • WCC '25 P3 - A Green Grinch
  • WCC '25 P4 - Santa's Stocking Order
  • WCC '25 P2 - Home Alone
  • WCC '25 P6 - Christmas Specials 📺
  • WCC '25 P5 - Let it snow! Let it snow! Let it snow!❄️
  • Labyrinth
  • CCC '24 J5 - Harvest Waterloo
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