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Problem Category Points AC % Users ▴
UTS Open '15 #1 - Caesar Salad Uncategorized 5p 37.5% 85
COCI '14 Contest 6 #1 Paprika COCI 3p 54.8% 85
JOI '14 Open P2 - Fortune Telling 2 JOI 25p 22.9% 85
DMOPC '15 Contest 6 P2 - Tilt DMOPC 5p 6.9% 85
TSOC '16 Contest 2 #4 - Bob's Primes TSOC 7 19.1% 85
DMPG '16 S2 - Pandemic DMOPC 7p 14.1% 85
HCI '16 - Unexpected Factorial Uncategorized 5p 28.3% 85
DWITE '11 R1 #4 - C001 Numbers DWITE 3 28.1% 85
DMPG '18 G6 - Class Chitchat DMOPC 20p 27.6% 85
DMOPC '18 Contest 1 P4 - Sorting DMOPC 12p 14.1% 85
CCO '96 P3 - Quadtrees CCO 15 48.7% 85
CCO '19 P2 - Sirtet CCO 20p 23.5% 85
Baltic OI '13 P2 - Palindrome-Free Numbers Baltic OI 15p 27.4% 85
WC '16 Contest 4 J1 - Anyone Can Be Anything Woburn Challenge 5p 65.1% 85
COCI '10 Contest 7 #1 Šećer COCI 3p 41.3% 85
COCI '20 Contest 4 #2 Vepar COCI 10p 18.5% 85
TSOC '15 Contest 2 #1 - The Code TSOC 5 33.5% 86
Touching Segments Uncategorized 20p 21.3% 86
VMSS '15 #3 - Jeffrey and Roads VM7WC 7 25.2% 86
ECOO '14 R3 P2 - Mothers and Daughters ECOO 7p 59.5% 86
CEOI '18 P5 - Toys CEOI 10p 30.8% 86
WC '99 P5 - Good Will Hunting Woburn Challenge 5 16.8% 86
Appleby Contest '20 P4 - Philosophy Class Uncategorized 12p 15.4% 86
COCI '21 Contest 2 #2 Kutije COCI 10p 44.2% 86
Yet Another Contest 1 P2 - A Boring Problem YAC 10p 12.9% 86
CCO '14 P5 - Early Exam Evacuation CCO 20p 23.3% 87
GFSSOC '15 Fall S1 - T-Shirts GFSSOC 5p 23.6% 87
MWC '15 #7 P1: Sequences MWC 3 17.6% 87
UTS Open '18 P4 - Ianine's Lil Lab Uncategorized 10p 28.8% 87
Baltic OI '13 P5 - Tracks in the Snow Baltic OI 12p 30.0% 87
IOI '11 P4 - Crocodile's Underground City IOI 17p 28.4% 87
COCI '09 Contest 3 #3 Sort COCI 5 44.5% 87
WC '01 P6 - Mission Impossible 3 Woburn Challenge 5p 17.7% 87
Wesley's Anger Contest 6 Problem 4 - Runway Lights WAC 12p 14.0% 87
COCI '10 Contest 2 #2 Napor COCI 5p 28.3% 87
Another Contest 6 Problem 15 - Boolean (Medium) ACC 0p 16.3% 87
CCO '21 P2 - Weird Numeral System CCO 17p 12.1% 87
SAC '22 Code Challenge 1 P3 - That Pool SAC Coding Challenge 7p 16.8% 87
UCRPC F21 B - Lost in the Shuffle ICPC 3 68.7% 87
BSSPC '22 P7 - Exec Team Applications Uncategorized 10p 22.9% 87
COCI '22 Contest 5 #1 Kalendar COCI 5p 44.3% 87
DMOPC '23 Contest 1 P3 - Colour Scheme DMOPC 12p 10.9% 87
ECOO '13 R1 P3 - Hexudoku ECOO 7p 52.7% 88
Facebook Hacker Cup '15 Round 1 P4 - Corporate Gifting FHC 17 46.0% 88
ECOO '16 R2 P1 - Palindrome Panic ECOO 12p 14.7% 88
COCI '07 Contest 5 #4 Avogadro COCI 15p 27.8% 88
DMPG '18 B4 - Shimnanigans DMOPC 5p 27.7% 88
COCI '15 Contest 5 #4 Poplava COCI 12 33.2% 88
James' Rectangles Uncategorized 10p 33.7% 88
NOI '04 P1 - The Depressed Cashier China NOI 20p 15.1% 88