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Problem Category Points AC % ▴ Users
CCO '98 P4 - Scoring Curling CCO 7p 25.0% 8
CCO '98 P5 - Text Segmentation CCO 10 23.7% 18
CCO '98 P6 - Derek's Dilemma CCO 12 46.7% 4
CCO '99 P1 - You Can't Get There From Here CCO 7 26.5% 16
CCO '99 P3 - Manelzuma's Revenge CCO 10 28.6% 2
CCO '99 P4 - Maple Roundup CCO 10 21.8% 19
CCO '99 P5 - Sum Of Products CCO 15 4.3% 1
CCO '99 P6 - Fast Food CCO 15 34.4% 10
CCO '00 P2 - Ransom Note CCO 12p 7.7% 6
CCO '00 P3 - The Game Of 31 CCO 15 54.5% 11
Emoji Search Uncategorized 5 47.7% 112
Hello, World! (Hard) Uncategorized 0 6.4% 592
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
CCO '09 P1 - Invasion of the Boxes CCO 20p 12.8% 22
CCO '09 P2 - Dinner CCO 20p 9.8% 50
CCO '09 P3 - Beware the Geoducks CCO 10 9.8% 34
CCO '09 P5 - Parade CCO 17p 17.3% 43
CCO '09 P6 - A Weighty Problem CCO 12p 16.1% 76
CCO '09 P4 - Bottle Caps CCO 20p 14.2% 37
Mock CCO '19 Contest 1 Problem 4 - A Chemistry Problem Mock CCO 15p 14.9% 13
Mock CCO '19 Contest 1 Problem 5 - A Tree Problem Mock CCO 25p 14.3% 6
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem Mock CCO 15p 27.2% 16
Mock CCO '19 Contest 2 Problem 1 - A Dynamic Connectivity Problem Mock CCO 15p 31.3% 70
Mock CCO '19 Contest 2 Problem 2 - A Simulation Problem Mock CCO 15p 10.7% 8
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem Mock CCO 15p 5.5% 5
Fast Matrix Multiplication Classics 20p 0.0% 0
ECOO '19 R3 P1 - Chords ECOO 7p 22.0% 45
Mock CCO '19 Contest 2 Problem 4 - A Geometry Problem Mock CCO 5p 9.9% 6
Mock CCO '19 Contest 2 Problem 5 - A Geometry Problem Mock CCO 12p 4.3% 2
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem Mock CCO 12p 15.8% 28
ECOO '19 R3 P3 - Wall ECOO 15p 44.2% 4
ECOO '19 R3 P4 - Network ECOO 15p 0.7% 1
Mynerva Olympiads School 7p 18.4% 79
Pyramid Puzzle Uncategorized 10p 47.6% 4
CCO '00 P4 - Packet Routing CCO 7 59.5% 57
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO 7 22.3% 54
CCO '00 P6 - Extension Cords CCO 12 18.0% 7
CCO '01 P1 - The Monkey Dance CCO 10 41.5% 222
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
CCO '01 P3 - Partitions CCO 12 33.9% 63
ICHB Selection Contest '17 Problem 1 - Airship Fights (Correct Version) Uncategorized 30p 9.1% 2
A Floyd-Warshall Problem Uncategorized 15 0.9% 2
String Test Data Structure Tests 50 3.4% 2
ACM-ICPC World Finals 2007 Problem J - Tunnels ICPC 40 26.3% 11
Triway Cup '19 Summer A - Cave Escape Seasonal 17 27.7% 16
Triway Cup '19 Summer B - Cameras Seasonal 5 28.9% 26
Triway Cup '19 Summer C - String Seasonal 12 12.7% 9