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Problem Category Points ▾ AC % Users
Google Code Jam '11 Round 1A Problem B - The Killer Word Google Code Jam 12p 22.2% 2
Google Code Jam '13 Qualification Round Problem D - Fair and Square Google Code Jam 12p 20.0% 2
Google Code Jam '15 Qualification Round Problem C - Dijkstra Google Code Jam 12p 33.3% 1
Google Code Jam '15 Qualification Round Problem D - Ominous Omino Google Code Jam 12p 14.3% 3
Google Code Jam '17 Round 1A Problem B - Ratatouille Google Code Jam 12 66.7% 3
Google Code Jam '19 Round 1A Problem C - Alien Rhyme Google Code Jam 12p 60.0% 3
Wesley's Anger Contest Reject 6 - Geology WAC 12p 17.7% 29
ETSR '23 Onsite Round 2 Problem 1 - Bracket Uncategorized 12p 8.4% 26
CCO '23 P1 - Binaria CCO 12p 23.3% 170
DMOPC '22 Contest 5 P3 - Sorted XOR DMOPC 12p 15.9% 68
EGOI '23 P6 - Candy EGOI 12p 22.3% 38
JOI '23 Open P3 - Garden JOI 12p 9.4% 5
Waterloo 2023 Fall A - Black Frame Waterloo Local 12 25.8% 14
HHPC1 P3 - Yonder Ridge Uncategorized 12p 11.0% 30
COCI '23 Contest 1 #3 AN2DL COCI 12p 29.4% 36
UACC 1 P6 - Labyrinth Treasure Uncategorized 12p 31.0% 44
DMOPC '23 Contest 1 P3 - Colour Scheme DMOPC 12p 10.8% 86
COCI '23 Contest 2 #4 Kuglice COCI 12p 35.1% 34
Yet Another Contest 8 P3 - Herobrine YAC 12p 7.1% 64
WOSS Dual Olympiad 2023 Team Round P3: Choosing Edges Uncategorized 12 8.7% 10
Mock CCC '24 Contest 1 S4 - Tommy's Lemonade Stand Mock CCC 12p 22.0% 29
Capture The Flag 2 Uncategorized 12 56.3% 9
CCC '24 S4 - Painting Roads CCC 12p 36.2% 155
Tree Journey Olympiads School 12p 49.1% 26
ECOO '13 R1 P4 - Coupon Day ECOO 10p 34.7% 24
Binary Indexed Tree Test Data Structure Tests 10p 28.8% 740
Disjoint Set Test Data Structure Tests 10 36.9% 881
CCC '13 S3 - Chances of Winning CCC 10 41.1% 1363
The Third Cellar Uncategorized 10 27.1% 323
CCC '05 J5 - Bananas CCC 10 21.6% 1467
CCC '06 S4 - Groups CCC 10 46.5% 327
CCC '04 J5 - Fractals CCC 10 35.7% 220
CCC '07 S5 - Bowling for Numbers CCC 10p 29.9% 864
CCC '08 S5 - Nukit CCC 10p 37.2% 705
CCC '08 S4 - Twenty-four CCC 10 25.5% 739
CCC '96 S4 - When in Rome CCC 10 33.0% 569
CCC '09 S3 - Degrees Of Separation CCC 10 28.0% 1344
CCC '09 S2 - Lights Going On and Off CCC 10 40.5% 897
CCC '09 S4 - Shop and Ship CCC 10 21.0% 1029
IOI '13 P4 - Cave IOI 10p 18.6% 311
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 36.1% 1194
COCI '14 Contest 1 #3 Piramida COCI 10p 11.7% 83
DMOPC '14 Contest 2 P5 - Sawmill Scheme DMOPC 10p 20.8% 447
DMOPC '13 Contest 3 P5 - A Romantic Dinner DMOPC 10p 45.7% 387
GFSSOC '14 Winter J5 - Pursuit of Knowledge GFSSOC 10p 24.6% 482
DMOPC '14 Contest 3 P4 - Not Enough Testers! DMOPC 10p 18.6% 415
DMOPC '14 Contest 3 P6 - Not Enough Time! DMOPC 10p 35.5% 487
CCC '03 S5 - Trucking Troubles CCC 10p 17.5% 681
STNBD P5 - Fianna Ray Ordesia Uncategorized 10p 12.0% 26
COCI '14 Contest 4 #3 Pripreme COCI 10p 40.3% 102