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Hot problems

Problem Category Points AC % Users
IOIQR P5 - Some Game Seasonal 25 3.5% 3
Jack Needs Help Uncategorized 10p 32.7% 22
JOI '05 Final Round P1 - Questionnaire JOI 3p 29.4% 207
JOI '05 Final Round P2 - String JOI 5p 66.1% 210
JOI '05 Final Round P3 - Square JOI 5p 41.9% 153
JOI '05 Final Round P4 - String of Rings JOI 7p 5.6% 23
JOI '05 Final Round P5 - Sheets JOI 15p 8.9% 25
JOI '13 Open P2 - Synchronization JOI 35p 27.6% 63
JOI '13 Open P3 - Watching JOI 15p 28.6% 128
JOI '14 Open P1 - Factories JOI 20p 31.6% 175
JOI '14 Open P2 - Fortune Telling 2 JOI 25p 23.0% 118
JOI '14 Open P3 - Space Pirate JOI 50 1.3% 2
JOI '14 Open P5 - Pinball JOI 25p 26.6% 106
JOI '14 Open P6 - Secret JOI 17p 15.8% 132
JOI '16 Final P1 - Foehn Phenomena JOI 10p 53.0% 66
JOI '16 Final P2 - Semiexpress JOI 12 45.6% 39
JOI '16 Open P2 - Selling RNA Strands JOI 20 20.1% 34
JOI '16 Open P3 - Skyscraper JOI 25p 41.3% 65
JOI '17 Final P4 - Commuter Pass JOI 15 23.3% 95
JOI '17 Final P5 - Snake Escaping JOI 25p 40.4% 29
JOI '18 Open P1 - Bubble Sort 2 JOI 20p 6.1% 33
JOI '18 Spring Camp Day 1 P1 - Construction of Highway JOI 30p 35.1% 37
JOI '18 Spring Camp Day 1 P2 - Fences JOI 30p 15.4% 4
JOI '18 Spring Camp Day 1 P3 - Tents JOI 20p 64.3% 41
JOI '19 Final P3 - Collecting Stamps 3 JOI 15 28.3% 59
JOI '19 Open P1 - Triple Jump JOI 30p 27.5% 27
JOI '19 Open P2 - Remittance JOI 30p 26.1% 21
JOI '19 Open P3 - Virus Experiment JOI 35p 10.5% 3
JOI '20 Open P1 - Furniture JOI 20p 32.0% 16
JOI '20 Open P2 - Monochrome Points JOI 35p 28.9% 10
JOI '20 Open P3 - Power Plant JOI 15p 39.2% 37
JOI '20 Spring Camp Day 1 P3 - Sweeping JOI 25p 25.0% 3
JOI '20 Spring Camp Day 2 P2 - Making Friends on Joitter is Fun JOI 30p 18.2% 12
JOI '20 Spring Camp Day 2 P3 - Ruins 3 JOI 40p 46.2% 4
JOI '20 Spring Camp Day 3 P1 - Constellation 3 JOI 30p 45.0% 8
JOI '20 Spring Camp Day 3 P2 - Harvest JOI 35p 25.9% 6
JOI '20 Spring Camp Day 4 P1 - Capital City JOI 20 37.0% 21
JOI '21 Open P1 - Crossing JOI 20p 47.6% 13
JOI '21 Open P2 - Financial Report JOI 25p 28.5% 40
JOI '21 Spring Camp Day 1 P1 - Aerobatics JOI 45p 0.0% 0
JOI '21 Spring Camp Day 3 P3 - Meetings 2 JOI 30p 25.0% 13
JOI '21 Spring Camp Day 4 P1 - Event Hopping 2 JOI 30p 41.9% 14
JOI '22 Final P1 - Intercastellar JOI 10p 65.3% 46
JOI '22 Final P2 - Self Study JOI 12p 29.1% 28
JOI '22 Open P1 - Seesaw JOI 17p 23.3% 20
JOI '22 Open P2 - Giraffes JOI 35p 7.7% 2
JOI '22 Open P3 - School Road JOI 17p 11.0% 13
JOI '22 Spring Camp Day 1 P1 - Jail JOI 30p 25.0% 10
JOI '23 Open P1 - Ancient Machine 2 JOI 20p 2.3% 2
JOI '23 Open P2 - Cell Automaton JOI 40p 0.0% 0