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Problem Category Points AC % ▴ Users
Waterloo 2017 Winter E - Vera and Love Triangles Waterloo Local 25 37.8% 11
Waterloo 2017 Winter A - Vera and Outfits Waterloo Local 3 71.8% 522
DMPG '17 G6 - Vera and Ice Cream Cake DMOPC 20p 11.3% 6
Next Semiprime Uncategorized 10p 11.3% 23
Troubling Times Uncategorized 5p 33.0% 538
DMPG '17 G2 - Holy Grail War DMOPC 17p 27.6% 257
TLE '16 Contest 7 P4 - Abstract Problem TLE 10p 19.8% 152
Discerning Discounts Uncategorized 3p 25.4% 334
Google Kickstart '17 Round A Problem A - Square Counting Google Kick Start 12p 20.6% 18
IOIQR P5 - Some Game Seasonal 25 3.5% 3
DMPG '17 G4 - Timeline DMOPC 20p 20.3% 11
String Finding Uncategorized 5 15.6% 428
TC Uncategorized 15p 10.8% 32
IOI '13 P6 - Game IOI 25p 9.3% 80
ECOO '07 R3 P1 - Sum of Primes ECOO 7 23.0% 214
ECOO '07 R3 P4 - Reverse Polish Logic ECOO 7p 12.2% 9
ECOO '17 R1 P1 - Munch 'n' Brunch ECOO 5p 18.1% 844
ECOO '17 R1 P2 - Chocolate Chewsday ECOO 5p 11.0% 81
ECOO '17 R1 P3 - Mountain View ECOO 7p 13.3% 72
ECOO '17 R1 P4 - Almost Sorted ECOO 7p 9.0% 58
ECOO '15 R2 P4 - Rectangle Roundup ECOO 12p 33.3% 16
CCO '00 P1 - Subsets CCO 10 35.0% 269
IOI '01 P2 - Ioiwari Game IOI 12p 34.5% 7
CCCHK '08 J3 - Phone book CCC 5p 34.6% 625
CCCHK '08 J4 - Tic-tac-toe CCC 5p 10.8% 105
DMPG '17 S6 - Brackets, Braces, and Boxes DMOPC 12p 10.0% 29
DMPG '17 B1 - Whale and Soul DMOPC 3 15.7% 177
DMPG '17 G1 - FatalWhale and Candies DMOPC 15p 13.1% 25
ECOO '17 R2 P1 - Wizard's Windows ECOO 5p 53.4% 66
ECOO '17 R2 P2 - Treasure Hunt ECOO 10p 41.7% 57
ECOO '17 R2 P3 - Lunch Time ECOO 12p 16.0% 26
ECOO '17 R2 P4 - Zig Zag ECOO 12p 39.2% 29
Mock CCO '17 Problem 1 - Fast Fuhrer Transform Mock CCO 10p 25.4% 60
Mock CCO '17 Problem 2 - Penetrating Power Mock CCO 17p 25.7% 171
Mock CCO '17 Problem 3 - Connection Mock CCO 20p 12.5% 38
Mock CCO '17 Problem 4 - Guards Mock CCO 15p 17.2% 52
Mock CCO '17 Problem 5 - Blitzkrieg Mock CCO 17p 12.4% 13
Mock CCO '17 Problem 6 - Dire Consequences Mock CCO 20 24.2% 25
DMPG '17 S5 - Bit Matrix DMOPC 15p 35.8% 64
DMPG '17 B2 - Yoda DMOPC 3p 12.7% 148
DMPG '17 B3 - Heroes DMOPC 5p 9.0% 33
CCO '17 P1 - Vera and Trail Building CCO 7p 38.6% 416
CCO '17 P2 - Cartesian Conquest CCO 20p 9.4% 55
CCO '17 P3 - Vera and Modern Art CCO 30p 13.9% 93
CCO '17 P4 - Rainfall Storage CCO 20p 36.2% 177
CCO '17 P5 - Professional Network CCO 20p 32.6% 167
CCO '17 P6 - Shifty Grid CCO 30p 17.8% 34
DMPG '17 G3 - Brackets, Braces, Boxes, and Arrows DMOPC 25 11.6% 12
DMPG '17 B6 - Multiply and Surrender DMOPC 7p 13.3% 68
DMPG '17 B4 - Bad Sort DMOPC 7 18.6% 71