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Problem Category Points ▴ AC % Users
BPC 1 S5 - Temple Uncategorized 25p 7.2% 10
COI '14 #4 Sir COCI 25p 27.9% 9
Maximum Deviation Spanning Tree Olympiads School 25p 4.0% 4
Yet Another Contest 3 P5 - No More Thieves YAC 25p 12.6% 7
COCI '21 Contest 6 #4 Palindromi COCI 25p 25.6% 7
COCI '21 Contest 6 #5 Superozicija COCI 25p 7.7% 8
DMOPC '21 Contest 8 P5 - Tree Building DMOPC 25p 9.2% 33
DMOPC '21 Contest 8 P4 - Grid Operations DMOPC 25p 15.9% 17
DMOPC '21 Contest 8 P3 - Weaker Data DMOPC 25p 6.0% 15
NOI '22 Multi-Provincial Team Selection P2 - Tree China NOI 25p 10.5% 5
NOI '22 Multi-Provincial Team Selection P4 - Card China NOI 25p 12.9% 5
BPC 1 S4 - Binary Matrices Uncategorized 25p 12.2% 9
CCO '22 P3 - Double Attendance CCO 25p 7.4% 28
A Math Contest P14 - Choosing Marbles Uncategorized 25p 21.9% 38
Adaptive Mechanized Calcium Chlorohypochlorite Uncategorized 25 15.2% 9
A Math Contest P16 - Morbius vs. Suibom Uncategorized 25 18.2% 20
DMOPC '21 Contest 10 P6 - Median Replace DMOPC 25p 18.8% 28
Baltic OI '13 P3 - Pipes Baltic OI 25p 13.3% 4
APIO '22 P2 - Game APIO 25p 1.8% 3
Baltic OI '12 P4 - Fireworks in RightAngleles Baltic OI 25p 70.0% 5
JOI '21 Open P2 - Financial Report JOI 25p 34.0% 13
Baltic OI '04 P6 - Car Park Baltic OI 25p 20.0% 1
CEOI '22 P3 - Prize CEOI 25p 6.5% 25
IOI '12 P4 - Ideal City IOI 25p 27.7% 12
CEOI '09 P2 - Harbingers CEOI 25p 12.6% 23
IOI '22 P1 - Catfish Farm IOI 25p 8.1% 44
IOI '22 P2 - Prisoner Challenge IOI 25p 8.2% 25
IOI '22 P4 - Digital Circuit IOI 25p 25.2% 25
NOI '16 P2 - Grid China NOI 25p 7.4% 6
NOI '22 P1 - Major China NOI 25p 5.6% 12
NOI '22 P4 - Challenge NPC China NOI 25p 30.6% 4
DMOPC '22 Contest 2 P6 - Yogyakarta Elevators DMOPC 25p 9.0% 32
Ancient Castle Ruins Uncategorized 25p 2.9% 1
DMOPC '22 Contest 3 P6 - Compressibility DMOPC 25p 8.0% 19
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem Mock CCC 25p 14.0% 10
NOIP '22 P4 - Contest China NOI 25p 10.4% 7
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem Mock CCC 25p 11.5% 4
Waterloo 2023 Winter E - Colourful Tree Waterloo Local 25 4.5% 4
Yet Another Contest 7 P5 - Egg Dropping YAC 25p 1.5% 3
Google Code Jam '17 Round 1A Problem C - Play the Dragon Google Code Jam 25p 23.5% 1
Google Code Jam '22 Round 2 Problem B - Pixelated Circle Google Code Jam 25p 60.0% 3
ETSR '23 Onsite Round 2 Problem 2 - Exponents Uncategorized 25p 4.1% 13
APIO '23 P2 - Sequence APIO 25p 7.8% 17
DMOPC '22 Contest 5 P5 - Twos and Threes DMOPC 25 18.0% 17
CCO '23 P6 - Triangle Collection CCO 25p 16.7% 18
Yet Another Contest 7 P6 - Arithmetic Sequence Data Structure YAC 25p 7.7% 8
CTSC '15 P5 - Calendar Management China NOI 25 33.3% 1
NOI '17 P4 - Game China NOI 25p 16.7% 1
NOI '17 P5 - Vegetables China NOI 25p 66.7% 4
NOI '23 P2 - Osmanthus Tree China NOI 25p 26.3% 5