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Problem Category Points AC % ▾ Users
DWITE '07 R3 #5 - Portals DWITE 7 48.9% 35
DMOPC '19 Contest 2 P2 - Squares DMOPC 7 48.9% 409
DMOPC '21 Contest 6 P1 - Bigger Big Integer DMOPC 3p 48.9% 500
WC '18 Contest 4 S1 - World of StarCraft Woburn Challenge 10p 48.8% 248
Pick It Uncategorized 15 48.8% 367
WC '17 Contest 4 J4 - Efficiency Woburn Challenge 5 48.8% 68
COCI '09 Contest 3 #4 Razgovori COCI 10p 48.8% 111
Alphabet Score Uncategorized 3p 48.7% 309
Canada Day Contest 2021 - 0-1 Seasonal 20p 48.7% 61
A Plus B Uncategorized 3p 48.7% 8037
WC '15 Contest 1 S1 - Woburn Workload Woburn Challenge 7 48.7% 128
UCRPC F21 C - Maths of Glory ICPC 5 48.6% 68
DMOPC '14 Contest 3 P1 - Not Enough Users! DMOPC 3p 48.6% 859
Waterloo 2017 Fall B - Biology Waterloo Local 5p 48.6% 11
BlueBook - Triangle BlueBook 3 48.6% 320
IOI '09 Practice Task 3 - Museum IOI 15p 48.5% 72
Inaho IV Uncategorized 5p 48.5% 158
CCO '96 P3 - Quadtrees CCO 15 48.4% 84
ICPC ECNA 2016 G - That's One Hanoi-ed Teacher ICPC 15 48.4% 14
COCI '15 Contest 2 #1 Marko COCI 5 48.3% 367
COCI '07 Contest 4 #3 Lektira COCI 5 48.3% 203
DMOPC '15 Contest 1 P1 - Itami and Manga DMOPC 3p 48.3% 681
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem Mock CCC 3p 48.3% 823
Bob Hates Triangles Uncategorized 7 48.3% 84
Mock CCC '22 Contest 2 J1 - Opening Ceremony Mock CCC 3 48.3% 707
DMOPC '19 Contest 3 P3 - Majority DMOPC 12p 48.3% 268
SAC '22 Code Challenge 1 P2 - That Circle SAC Coding Challenge 3 48.3% 247
COCI '23 Contest 1 #1 Sudoku COCI 5p 48.3% 65
DMOPC '19 Contest 4 P0 - Yikes DMOPC 3p 48.3% 425
DWITE '09 R6 #1 - ROT13 Encryption DWITE 3 48.2% 96
Literature Club Uncategorized 5p 48.2% 45
COCI '08 Contest 5 #1 Ljesnjak COCI 5 48.2% 71
CCC '01 J1 - Dressing Up CCC 3 48.2% 2874
WC '18 Contest 4 J1 - A Fistful of Quarters Woburn Challenge 3p 48.1% 130
COCI '12 Contest 2 #6 Inspektor COCI 25p 48.0% 5
COCI '11 Contest 5 #3 Dna COCI 10p 48.0% 51
NOIP '07 P1 - Counting Numbers China NOI 3p 48.0% 55
Fast Bit Counting Uncategorized 3p 48.0% 278
ICPC ECNA 2016 H - Vin Diagrams ICPC 15 47.9% 13
DWITE '10 R4 #1 - Future Printer DWITE 3 47.9% 33
Segment Tree Practice 3 Uncategorized 15 47.8% 35
COCI '07 Contest 1 #2 PEG COCI 5 47.8% 159
COCI '10 Contest 3 #5 Diferencija COCI 12p 47.8% 130
Educational DP Contest AtCoder N - Slimes Uncategorized 12 47.8% 407
COCI '22 Contest 2 #1 Tramvaji COCI 5p 47.7% 84
WC '16 Contest 1 J1 - A Spooky Season Woburn Challenge 3 47.7% 4625
Emoji Search Uncategorized 5 47.7% 112
April Fools' Day Contest 1 P3 - Author Uncategorized 0 47.7% 189
CCC '21 S1 - Crazy Fencing CCC 5p 47.7% 2559
COCI '06 Contest 4 #5 Jogurt COCI 12p 47.7% 80