【QPC007】QCoder Programming Contest 007 will take place!

• 🗓 Date & Time: November 15 (Sunday) 07:00-09:30 (GMT+0)
• ⏳ Duration: 150 minutes
• 📚 Number of problems: 10
• 📝 Writer: PSL

QPC007 is the first Rated contest on QCoder. See About Rating for details.

We look forward to your participation!

【QPC006】QCoder Programmming Contest 006 will take place!

• 🗓 Date & Time: March 15 (Sunday) 07:00-09:30 (GMT+0)
• ⏳ Duration: 150 minutes
• 📚 Number of problems: 12
• 📝 Writer: PSL, soshun

This time, we’ll have problems on the theme of “How to Build a Quantum Computer,” as well as interactive challenges. We look forward to your participation!

Note: The contest duration is different from last time!

Update: Congratulations to the winners!

1. Kitagawa_Koki
2. tomo
3. east1016
4. hikari24
5. ray_remi

We look forward to your participation in the next competition!

We are pleased to announce that QCoder has been incorporated as a General Incorporated Association as of February 5, 2026.

Under the new structure, we will continue our activities and further develop our operations within a more stable organizational framework.

【QPC005】QCoder Programmming Contest 005 will take place!

• 🗓 Date & Time: July 27 (Sunday) 8:00-10:00 (GMT+0)
• ⏳ Duration: 120 minutes
• 📚 Number of problems: 9
• 📝 Writer: PSL

Participants of all skill levels are welcome. We look forward to your participation!

Note: The contest duration is different from last time!

Update: Congratulations to the winners!

1. tatyam
2. Harnel
3. omeletwithoutegg
4. hiryuN
5. ray_remi

We look forward to your participation in the next competition!

We have added a discussion page for users to exchange information! Feel free to post your thoughts, questions, and more.

The discussion page cannot be used during the contest.

【QPC004】QCoder Programmming Contest 004 will take place!

• 🗓 Date & Time: February 2nd (Sunday) 8:00-11:00 (GMT+0)
• ⏳ Duration: 180 minutes
• 📚 Number of problems: 17
• 📝 Writer: PSL, fortoobye

Participants of all skill levels are welcome. We look forward to your participation!

Update: Congratulations to the winners!

1. Harnel
2. tatyam
3. sz223
4. chocorusk
5. hikari24

We look forward to your participation in the next competition!

An introductory article on QCoder has been published on the Unitary Fund Blog. Check it out to learn more about this platform.

• QCoder - A platform for quantum competitive programming

【QPC003】QCoder Programmming Contest 003 will take place!

• 🗓 Date & Time: November 3rd (Sunday) 8:00-11:00 (GMT+0)
• ⏳ Duration: 180 minutes
• 📚 Number of problems: 16
• 📝 Writer: Not_Leonian, ST12

Participants of all skill levels are welcome. We look forward to your participation!

Update: Congratulations to the winners!

1. soshun
2. chocorusk
3. tatyam
4. ymtz03
5. sz223

We look forward to your participation in the next competition!

【QPC002】The 2nd Quantum Programming Contest will take place!

• 🗓 Date & Time: August 18 (Sunday) 17:00-20:00 (UTC+9)
• ⏳ Duration: 180 minutes
• 📚 Number of problems: 13
• 📝 Writer: PSL, ST12

Participants of all skill levels are welcome. We look forward to your participation!

Update: Congratulations to the winners!

1. Harnel
2. tatyam
3. SSRS
4. tacophys
5. N_hara

We look forward to your participation in the next competition!