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Problem Category Points AC % Users ▴
NOI '12 P1 - Random Number Generator China NOI 15p 24.8% 60
Skyscrapers Uncategorized 15p 18.3% 60
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 9.5% 60
DMOPC '20 Contest 3 P3 - A Ring of Buckets DMOPC 12p 7.0% 60
COCI '23 Contest 2 #1 Pahuljice COCI 5p 43.2% 60
DMOPC '14 Exam Time P6 - Math Homework DMOPC 15p 24.3% 61
ICPC ECNA 2016 C - The Key to Cryptography ICPC 7 46.4% 61
TLE '16 Contest 4 P3 - Cubes TLE 7p 25.7% 61
MNYC '17: ASCII Art II Seasonal 5 42.3% 61
TLE '16 Contest 8 P4 - Delivery Service TLE 17p 9.4% 61
COCI '07 Contest 5 #6 Baza COCI 25 7.6% 61
COCI '08 Contest 1 #5 Skakavac COCI 20p 10.3% 61
Back From Summer '19 P3: ASDFGHJKL Seasonal 10p 8.7% 61
Mock CCC '20 Contest 2 S4 - Rotational Arrays Mock CCC 10p 11.8% 61
NOI '14 P2 - Enchanted Forest China NOI 20p 9.6% 61
IOI '98 P6 - Polygon IOI 15 32.0% 61
CCO '03 P1 - BFed CCO 10 25.4% 61
Appleby Contest '20 P5 - Ridiculous Tree Uncategorized 15p 22.4% 61
Canada Day Contest 2021 - 0-1 Seasonal 20p 48.7% 61
An Animal Contest 2 P6 - Koala Transport System AAC 17p 22.2% 61
MALD Contest 1 P3 - Scratch Cat and Infestation Uncategorized 7 13.0% 61
Another Contest 9 Problem 2 - Counting Down the Days ACC 7 6.9% 61
COCI '22 Contest 3 #4 Bomboni COCI 12p 15.3% 61
Sword Art Online Judge 2 Seasonal 10 6.1% 62
GFSSOC '15 Winter J3 - Christmas Presents GFSSOC 5p 20.0% 62
DMOPC '15 Contest 7 P5 - Ariadne's Thread DMOPC 17p 21.0% 62
CCO '16 P3 - Legends CCO 30p 9.8% 62
MNYC '17: Bells Seasonal 17p 19.0% 62
DWITE '09 R1 #1 - iProfits DWITE 3 49.3% 62
DWITE '08 R2 #1 - My shiny digital key DWITE 3 38.8% 62
Summer Institute '17 Contest 1 P5 - Crazy Math SIUCF 15 27.8% 62
Mock CCC '18 Contest 2 S4 - A Tree Problem Mock CCC 12p 17.2% 62
Mock CCC '19 Contest 2 S3 - Tudor Tallies Triangular Totals Mock CCC 10p 5.4% 62
GlobeX Cup '19 J4 - Winni's Lonely Card Game Uncategorized 5p 18.5% 62
Art Academy VII: A Mysterious Object Uncategorized 12p 41.3% 62
Revenge of the Digger Uncategorized 20p 32.8% 62
WC '02 P2 - Cow-bot Woburn Challenge 10 21.9% 62
WC '02 P1 - A Planning Session Woburn Challenge 5 16.7% 62
COCI '16 Contest 5 #1 Tuna COCI 3p 67.7% 62
COCI '12 Contest 2 #1 Mortadela COCI 3p 69.6% 62
Prefix Digits Uncategorized 7 15.1% 62
NOIP '21 P2 - Sequence China NOI 20p 28.7% 62
GFSS Christmas Challenge P4 - Coal Counting GFSSOC 7p 26.4% 62
Yet Another Contest 2 P3 - Maximum Damage YAC 10p 7.9% 62
Comparing Arrays Uncategorized 15p 16.9% 62
A Math Contest P8 - Permutation Counting Uncategorized 12 36.6% 62
WOSS Dual Olympiad 2022 S2: Festive Card Game Seasonal 7p 19.8% 62
DMOPC '14 Contest 7 P5 - Aurora DMOPC 10p 26.5% 63
GFSSOC '15 Winter S2 - Soko-Boop GFSSOC 12p 22.5% 63
COCI '07 Contest 6 #6 Cestarine COCI 20 34.5% 63