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Problem Category Points AC % Users ▾
JSB '19 - P3 CTF 7 38.8% 15
Mock CCC '20 S4 - Valentine's Day Shopping Mock CCC 20p 7.9% 15
PIB '20 P6 - Rotational Top Trees Uncategorized 20p 35.3% 15
DMOPC '19 Contest 7 P7 - Fluid Dynamics DMOPC 35p 15.4% 15
JOI '16 Open P2 - Selling RNA Strands JOI 20 15.2% 15
COCI '15 Contest 7 #6 Prokletnik COCI 20 21.6% 15
COCI '17 Contest 1 #6 Plahte COCI 20 35.5% 15
Return of the Digger Uncategorized 15p 6.8% 15
NOI '99 P2 - Nails and Ball China NOI 15p 20.3% 15
NOI '04 P3 - Manhattan China NOI 25p 8.9% 15
NOI '12 P2 - Highway Cycling China NOI 25p 14.0% 15
NOI '05 P3 - Wisdom Beads Game China NOI 25p 9.1% 15
PEG Test '14 - Spirits Uncategorized 10 10.5% 15
ACSL '09 Contest 1 Senior - Bridge Uncategorized 10p 25.0% 15
WC '15 Contest 3 J4 - LexCorp Infiltration Woburn Challenge 15p 12.2% 15
WC '17 Contest 1 S4 - Change Woburn Challenge 17p 10.7% 15
WC '15 Contest 4 S4 - Stakeout Woburn Challenge 20p 12.4% 15
Recurrence Solver Uncategorized 15p 14.4% 15
Hashing Uncategorized 10 22.0% 15
UTS Open '21 P6 - Terra Mater Uncategorized 25p 6.3% 15
COCI '10 Contest 4 #4 Prosjek COCI 7p 18.8% 15
COCI '16 Contest 4 #5 Rima COCI 17p 12.9% 15
COCI '17 Contest 5 #4 Karte COCI 15p 50.0% 15
CPC '21 Contest 1 P7 - AQT and Quarantine Uncategorized 20p 15.5% 15
DMOPC '21 Contest 2 P5 - Permutations DMOPC 25p 15.4% 15
Another Contest 8 Problem 6 - Unnecessary Forced Reverse Trash Finesse ACC 25 16.3% 15
Bruce String Uncategorized 12p 23.6% 15
COCI '21 Contest 3 #5 Kućice COCI 25p 28.0% 15
Baltic OI '08 P4 - Elections Baltic OI 12p 36.4% 15
Modern Art Uncategorized 17p 23.7% 15
Another Random Contest 1 P6 - Smash Bros Uncategorized 15p 20.3% 15
DMOPC '21 Contest 8 P6 - Castle Building DMOPC 40p 8.7% 15
DMOPC '21 Contest 8 P3 - Weaker Data DMOPC 25p 6.0% 15
NOIP '99 Junior P1 - Cantor Table China NOI 5p 42.9% 15
Lemon Uncategorized 10 33.5% 15
IOI '22 P3 - Radio Towers IOI 30p 7.2% 15
Waterloo 2022 Fall B - Lightbulbs Waterloo Local 15 19.3% 15
Google Code Jam '22 Qualification Round Problem B - 3D Printing Google Code Jam 5p 60.5% 15
Google Code Jam '21 Qualification Round Problem A - Reversort Google Code Jam 3p 69.2% 15
ETSR '23 Online Round 2 Problem 4 - Queue Uncategorized 17p 5.0% 15
Singularity Cup P6 - Explosive Breakout Uncategorized 30p 19.7% 15
MWC '15 #8 P3: Draw Down MWC 12p 15.8% 14
ICPC ECNA 2016 G - That's One Hanoi-ed Teacher ICPC 15 48.4% 14
GFSSOC '17 S3 - Zhany Zhanbies GFSSOC 12 4.8% 14
DMPG '17 G5 - Vera and Pets DMOPC 15p 25.0% 14
COI '08 #3 Plahte COCI 25p 17.8% 14
DWITE '11 R4 #5 - Comet Vomit DWITE 12 47.6% 14
DWITE '10 R5 #4 - New type of wordplay DWITE 15 5.7% 14
DWITE '10 R2 #5 - Cogwheels DWITE 7 25.3% 14
DMOPC '17 Contest 3 P5 - Picnic Planning DMOPC 15 23.5% 14