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Problem Category Points AC % Users
ECOO '19 R2 P1 - Email ECOO 5p 31.5% 738
ECOO '19 R2 P2 - Pizza ECOO 10p 23.9% 22
ECOO '19 R2 P3 - Ribbon ECOO 15p 19.8% 13
ECOO '19 R2 P4 - Tunnels ECOO 12p 32.6% 7
ECOO '19 R3 P1 - Chords ECOO 7p 22.0% 45
ECOO '19 R3 P2 - Array Game ECOO 12p 21.6% 5
ECOO '19 R3 P3 - Wall ECOO 15p 44.2% 4
ECOO '19 R3 P4 - Network ECOO 15p 0.7% 1
ECOO '20 P1 - Music with Mimi ECOO 3p 45.6% 187
ECOO '20 P2 - Online Shopping ECOO 5p 46.5% 368
ECOO '20 P3 - Captcha Fun ECOO 7p 24.9% 103
ECOO '20 P4 - Ring ECOO 12p 17.3% 79
ECOO '21 P1 - Many Messages ECOO 3p 28.8% 445
ECOO '21 P2 - DNA Derren ECOO 3p 58.6% 326
ECOO '21 P3 - Quintessential Questions ECOO 3p 64.0% 221
ECOO '21 P4 - Chris' Candy ECOO 7p 23.7% 109
ECOO '21 P5 - Waldwick's Walk ECOO 17p 21.6% 23
ECOO '21 P6 - Problematic Pathways ECOO 30p 9.2% 4
WCIPEG 2018 ECOO Qualifier P1 - Bincent's Billows ECOO 3 54.7% 106
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO ECOO 5 31.8% 81
WCIPEG 2018 ECOO Qualifier P3 - Shattering Shadows 2 ECOO 7p 19.4% 10
WCIPEG 2018 ECOO Qualifier P4 - IOI tour ECOO 10p 24.4% 10
DMOJ Capture The Flag '20 G1 - Sanity Check CTF 3 68.0% 338
DMOJ Capture The Flag '20 C2 - Small RSA CTF 5 35.3% 95
DMOJ Capture The Flag '20 C3 - Small AES CTF 7 71.0% 21
DMOJ Capture The Flag '20 C4 - Larger Encryption CTF 10 61.5% 8
DMOJ Capture The Flag '20 R1 - Classic Java CTF 5 69.2% 25
DMOJ Capture The Flag '20 R2 - EZ Assembly CTF 7 53.3% 21
DMOJ Capture The Flag '20 R3 - Harder Assembly CTF 7 29.4% 14
DMOJ Capture The Flag '20 R4 - Python Cycles CTF 12 41.9% 13
DMOJ Capture The Flag '20 B1 - Super Secure Pseudorandom Number Generator CTF 5 16.9% 49
DMOJ Capture The Flag '20 B2 - Strings CTF 7 16.5% 23
DMOJ Capture The Flag '20 B3 - Classic Buffer Overflow CTF 7 10.7% 25
DMOJ Capture The Flag '20 G2 - Where's the flag? CTF 3 27.5% 223
DMOJ Capture The Flag '20 G3 - Git Gud CTF 5 24.2% 45
DMOJ Capture The Flag '20 G4 - All the folders in the world CTF 7 14.0% 9
DMOJ Capture The Flag '20 F1 - RGB CTF 3 63.5% 142
DMOJ Capture The Flag '20 F2 - Queries & Strings CTF 5 66.3% 50
DMOJ Capture The Flag '20 F3 - Four Taps CTF 7 44.2% 22
DMOJ Capture The Flag '20 F4 - Wire on Shark CTF 10 38.1% 7
DMOJ Capture The Flag '20 C1 - All the bases! CTF 3 61.0% 104
EGOI '21 P1 - Zeros EGOI 7p 20.7% 70
EGOI '21 P2 - Luna Likes Love EGOI 12p 26.0% 43
EGOI '22 P1 - SubsetMex EGOI 10p 37.0% 58
EGOI '22 P2 - Lego Wall EGOI 15p 12.2% 18
EGOI '22 P3 - Social Engineering EGOI 15p 7.1% 16
EGOI '22 P5 - Data Centers EGOI 10p 33.3% 30
EGOI '22 P6 - Superpiece EGOI 20p 5.0% 8
EGOI '23 P1 - Inflation EGOI 7p 27.8% 130
EGOI '23 P2 - Padel Prize Pursuit EGOI 10p 20.4% 32