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Problem Category Points AC % ▾ Users
DMOPC '21 Contest 9 P6 - Shortest Paths DMOPC 30p 33.3% 10
ICPC NWERC 2014 F - Finding Lines ICPC 17 33.3% 1
ICPC BAPC 2021 G - Gyrating Glyphs ICPC 17p 33.3% 1
JOI '20 Open P2 - Monochrome Points JOI 35p 33.3% 8
Bit Combinations Uncategorized 7 33.3% 16
NOIP '18 Junior P2 - The Big Battle China NOI 7p 33.3% 13
EGOI '22 P5 - Data Centers EGOI 10p 33.3% 30
Google Code Jam '09 Qualification Round Problem B - Watersheds Google Code Jam 5p 33.3% 4
Google Code Jam '11 Qualification Round Problem D - GoroSort Google Code Jam 15p 33.3% 2
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors Google Code Jam 15p 33.3% 1
Google Code Jam '15 Qualification Round Problem C - Dijkstra Google Code Jam 12p 33.3% 1
CTSC '15 P5 - Calendar Management China NOI 25 33.3% 1
WOSS Dual Olympiad 2023 J2: 3 Numbers Uncategorized 5 33.3% 124
The Mirror Uncategorized 5 33.3% 676
CCC '14 S2 - Assigning Partners CCC 5 33.3% 2841
JOI '14 Open P1 - Factories JOI 20p 33.3% 154
VMSS Pre-Windsor P6 - You Can't Write Science Fiction Better Than This Uncategorized 7 33.3% 98
CCC '22 J3 - Harp Tuning CCC 5p 33.2% 1488
COCI '08 Regional #1 Nop COCI 5 33.2% 163
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles Mock CCO 20p 33.2% 49
WC '15 Contest 1 S4 - Chocolate Milk Woburn Challenge 20p 33.2% 49
DMOPC '15 Contest 1 P2 - Itami and Squad DMOPC 5p 33.2% 258
Baltic OI '07 P3 - Sound Baltic OI 10p 33.2% 276
COCI '15 Contest 5 #4 Poplava COCI 12 33.2% 88
COCI '17 Contest 2 #2 ZigZag COCI 5 33.2% 281
COCI '13 Contest 3 #1 Riječi COCI 5p 33.1% 1157
DWITE '10 R1 #1 - Age Gate DWITE 3 33.1% 210
IOI '10 P6 - Traffic Congestion (Standard I/O) IOI 10p 33.1% 415
COCI '07 Contest 3 #6 Redoks COCI 17p 33.1% 178
NOI '07 P1 - Social Network China NOI 15p 33.1% 81
Is it a Tree? Seasonal 7p 33.1% 731
Mock CCC '24 Contest 1 S2 - Owen the Toucan Mock CCC 7p 33.1% 188
Expected Inversions Uncategorized 12p 33.1% 24
Appleby Contest '19 P3 - A Recursion Problem Uncategorized 5p 33.0% 255
Good Predictions Uncategorized 10 33.0% 73
COCI '07 Contest 4 #5 Poklon COCI 15p 33.0% 173
DMOPC '17 Contest 1 P5 - Intimidating Arrays DMOPC 15p 33.0% 118
CCC '10 J3 - Punchy CCC 5 33.0% 1395
CCC '07 J3 - Deal or No Deal Calculator CCC 3 33.0% 3245
Troubling Times Uncategorized 5p 33.0% 538
Appleby Contest '19 P5 - Matrix Operation Uncategorized 10p 33.0% 282
CCC '96 S4 - When in Rome CCC 10 33.0% 569
COCI '14 Contest 6 #2 Niko COCI 10p 33.0% 73
CEOI '19 Practice P2 - Separator CEOI 10p 32.9% 40
COCI '22 Contest 5 #4 Slastičarnica COCI 15p 32.9% 46
CCC '14 J1 - Triangle Times CCC 3 32.9% 7462
Waterloo 2023 Winter A - So I'll Max Out My Constructive Algorithm Skills Waterloo Local 5 32.9% 23
Back To School '18: The Golden Porcupine Seasonal 15p 32.8% 210
WC '01 Suicidal P6 - Blind Date Woburn Challenge 20p 32.8% 10
BlueBook - Mode BlueBook 3 32.8% 357