Hello Codeforces!↵
↵
We are excited to invite you to compete in the California Informatics Competition (CALICO) Spring '23! The contest will take place on [Saturday, April 8, 2023 from 4:00 p.m. to 6:30 p.m. Pacific Time](https://timeanddate.com/s/430d). **Registrations are now open** and will be until Thursday, April 6, 2023 at 11:59 p.m. Pacific Time, so [register here while you can](https://forms.gle/WdN5RGoHTP4g4Gjz8calico.cs.berkeley.edu/register)! The contest will take place virtually on our [custom judge platform](https://calicojudge.com/).↵
↵
The California Informatics Competition (CALICO) is a semiannual team programming contest organized by students at the University of California, Berkeley. We create original problems to encourage students to grow their problem-solving skills and learn algorithms in fun and exciting ways. Check out our [website](https://calico.cs.berkeley.edu/) to learn more about the contest and join our [discord server](https://discord.gg/RTdxtzXQZ5) to get announcements, make teams, hang out, and more!↵
↵
The contest will be **2.5 hours long** and you can compete **solo or in a team of up to 3**. There will be **around 8 problems** spanning a wide range of difficulty **for all skill levels**. Some problems will have **bonus test sets**, where more efficient or advanced solutions can earn additional points. At least one of the problems will be **interactive**. **Anyone can compete** in the contest, but **only pre-college teams will be eligible to win prizes**. **Editorials for each problem will also be available** after the contest. More details will be released as the contest date approaches.↵
↵
These awesome problems and editorials are written, prepared, and tested by the CALICO Team, including [user:bungmint,2022-10-21], [user:plourde27,2022-10-21], [user:yjp20,2022-10-21], [user:TheKingAleks,2022-10-21], [user:ss1237,2022-10-21], [user:bradley.louie1,2022-10-21], [user:fatant,2022-10-21], [user:KradecaNaLukcheta,2022-10-21], [user:mudkip,2022-10-21], [user:alfphaderp,2022-10-21], [user:voidcs,2022-10-21], [user:vivek3141,2022-10-21], [user:skywire2000,2022-10-21], and many more!↵
↵
We’ve had a ton of fun creating these problems! We think there will be something interesting for everyone, regardless if you’re totally new or an experienced competitor.↵
↵
Good luck on the contest!↵
↵
![ ](/predownloaded/a4/63/a4635d841492ce727fff7d02ed83d48a179b4713.png)↵
↵
Link to [English flyer](https://calico.cs.berkeley.edu/files/calico-english.png) | [Chinese flyer](https://calico.cs.berkeley.edu/files/calico-chinese.png)↵
↵
We are excited to invite you to compete in the California Informatics Competition (CALICO) Spring '23! The contest will take place on [Saturday, April 8, 2023 from 4:00 p.m. to 6:30 p.m. Pacific Time](https://timeanddate.com/s/430d). **Registrations are now open** and will be until Thursday, April 6, 2023 at 11:59 p.m. Pacific Time, so [register here while you can](https://
↵
The California Informatics Competition (CALICO) is a semiannual team programming contest organized by students at the University of California, Berkeley. We create original problems to encourage students to grow their problem-solving skills and learn algorithms in fun and exciting ways. Check out our [website](https://calico.cs.berkeley.edu/) to learn more about the contest and join our [discord server](https://discord.gg/RTdxtzXQZ5) to get announcements, make teams, hang out, and more!↵
↵
The contest will be **2.5 hours long** and you can compete **solo or in a team of up to 3**. There will be **around 8 problems** spanning a wide range of difficulty **for all skill levels**. Some problems will have **bonus test sets**, where more efficient or advanced solutions can earn additional points. At least one of the problems will be **interactive**. **Anyone can compete** in the contest, but **only pre-college teams will be eligible to win prizes**. **Editorials for each problem will also be available** after the contest. More details will be released as the contest date approaches.↵
↵
These awesome problems and editorials are written, prepared, and tested by the CALICO Team, including [user:bungmint,2022-10-21], [user:plourde27,2022-10-21], [user:yjp20,2022-10-21], [user:TheKingAleks,2022-10-21], [user:ss1237,2022-10-21], [user:bradley.louie1,2022-10-21], [user:fatant,2022-10-21], [user:KradecaNaLukcheta,2022-10-21], [user:mudkip,2022-10-21], [user:alfphaderp,2022-10-21], [user:voidcs,2022-10-21], [user:vivek3141,2022-10-21], [user:skywire2000,2022-10-21], and many more!↵
↵
We’ve had a ton of fun creating these problems! We think there will be something interesting for everyone, regardless if you’re totally new or an experienced competitor.↵
↵
Good luck on the contest!↵
↵
![ ](/predownloaded/a4/63/a4635d841492ce727fff7d02ed83d48a179b4713.png)↵
↵
Link to [English flyer](https://calico.cs.berkeley.edu/files/calico-english.png) | [Chinese flyer](https://calico.cs.berkeley.edu/files/calico-chinese.png)↵