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Problem Category Points AC % Users ▾
WC '17 Contest 4 S4 - Alpha Nerd Woburn Challenge 17p 18.0% 8
CCCHK '15 S4 - When to meet? CCC 15p 20.0% 8
DMOJ Capture The Flag '20 C4 - Larger Encryption CTF 10 61.5% 8
Baltic OI '16 P5 - Maze Baltic OI 25p 2.3% 8
Geometric Sequence Uncategorized 10 3.4% 8
COCI '16 Contest 3 #4 Kvalitetni COCI 12p 58.8% 8
COCI '16 Contest 7 #6 Klavir COCI 20p 41.7% 8
COCI '11 Contest 4 #5 Broj COCI 10p 33.3% 8
COCI '20 Contest 6 #4 Geometrija COCI 25p 10.2% 8
COI '20 #4 MalnaRISC COCI 20p 2.9% 8
Canada Day Contest 2021 - Half Heart Seasonal 25 5.5% 8
Bob's Farm Uncategorized 20p 31.7% 8
An Animal Contest 3 P8 - Monkey Retirement AAC 25p 3.2% 8
IOI '21 P6 - Bit Shift Registers IOI 30p 13.8% 8
NOI '20 P3 - Tears China NOI 40p 9.0% 8
Mock CCC '22 2 S4 - Kaguya Wants to Build a Great Wall Mock CCC 15p 7.5% 8
COI '19 #1 Paint COCI 40p 6.5% 8
COI '15 #1 Dijamant COCI 25p 44.4% 8
COI '13 #1 CSS COCI 20p 7.7% 8
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs DMOPC 30p 14.6% 8
COI '13 #3 Mostovi COCI 30p 12.0% 8
COCI '21 Contest 6 #5 Superozicija COCI 25p 7.7% 8
Baltic OI '11 P8 - Tree Mirroring Baltic OI 35p 15.5% 8
Baltic OI '12 P2 - Mobile Baltic OI 15p 15.2% 8
JOI '21 Spring Camp Day 3 P3 - Meetings 2 JOI 30p 18.6% 8
JOI '20 Open P2 - Monochrome Points JOI 35p 33.3% 8
Baltic OI '02 P3 - Triangles Baltic OI 12p 18.0% 8
Baltic OI '02 P4 - Bicriterial Routing Baltic OI 12 40.9% 8
Baltic OI '01 P4 - Knights Baltic OI 17p 14.8% 8
EGOI '22 P6 - Superpiece EGOI 20p 5.0% 8
MCIPC Contest 2 P4 - Wreath Uncategorized 7p 9.6% 8
NOIP '22 P2 - Meow Meow China NOI 20p 5.1% 8
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam 12p 52.0% 8
Google Code Jam '20 Qualification Round Problem A - Vestigium Google Code Jam 3p 50.0% 8
Google Code Jam '22 Round 1B Problem A - Pancake Deque Google Code Jam 5p 40.6% 8
Google Code Jam '22 Round 1A Problem A - Double or One Thing Google Code Jam 5p 37.0% 8
Waterloo 2001 Fall 1 A - Average Speed Waterloo Local 3 17.5% 8
ETSR '23 Onsite Round 2 Problem 3 - Trees Uncategorized 30p 2.2% 8
Yet Another Contest 7 P6 - Arithmetic Sequence Data Structure YAC 25p 7.7% 8
X Diagonal Uncategorized 5p 34.0% 8
Guessing Game Uncategorized 5p 37.7% 8
COCI '23 Contest 5 #5 Trokut COCI 17p 28.1% 8
Facebook Hacker Cup '15 Round 3 P2 - Lunch Scheduling FHC 15p 14.6% 7
ICPC NAQ 2016 F - Free Desserts ICPC 20 12.8% 7
TLE '16 Contest 3 P6 - Space Invaders TLE 25p 23.2% 7
HCI '16 - Boxception Uncategorized 10p 53.0% 7
MNYC '17: Skiing Competition Seasonal 15p 4.4% 7
IOI '01 P2 - Ioiwari Game IOI 12p 34.5% 7
COCI '07 Contest 4 #6 Kocke COCI 25 26.8% 7
ECOO '13 R2 P3 - Last Robot Standing ECOO 7p 45.0% 7