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Problem Category Points AC % Users ▾
Waterloo 2013 Fall A - Compressed Words? Waterloo Local 5 44.4% 6
CCO Preparation Test 2 P2 - Forest Area Mock CCO 25p 3.8% 5
ECOO '16 R3 P4 - Cuthbert's Calculator ECOO 15p 68.2% 5
ICPC NAQ 2016 E - Dots and Boxes ICPC 20 47.1% 5
HCI '16 - Hearing Uncategorized 15p 18.6% 5
ICPC ECNA 2000 D - Stacking Cubes ICPC 7 11.5% 5
ECOO '15 R3 P3 - Roadie Cross ECOO 10p 22.7% 5
ECOO '12 R2 P4 - Lo Shudoku ECOO 10p 66.7% 5
ECOO '12 R3 P2 - Jewelry Tips ECOO 12p 43.8% 5
ICPC PACNW 2016 G - Maximum Islands ICPC 15 20.0% 5
CTU Open Contest 2017 - Equinox Roller Coaster ICPC 15 21.6% 5
CTU Open Contest 2017 - Ice Cream Samples ICPC 12 46.2% 5
List Minimum (Harder) Uncategorized 7 0.2% 5
Baltic OI '18 P3 - Worm Worries Baltic OI 30p 4.0% 5
DMOPC '18 Contest 5 P6 - An XOR Problem DMOPC 25p 5.3% 5
COCI '15 Contest 5 #6 Podnizovi COCI 30p 20.7% 5
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem Mock CCO 15p 5.5% 5
APIO '18 P2 - Circle Selection APIO 25p 12.7% 5
OCC '19 G3 - Binary Game Olympiads School 25p 14.3% 5
Link Cut Tree Uncategorized 50 0.6% 5
COCI '19 Contest 5 #3 Matching COCI 35p 20.0% 5
ECOO '19 R3 P2 - Array Game ECOO 12p 21.6% 5
Facebook Hacker Cup '19 Final Round P6 - Temporal Revision FHC 40p 63.6% 5
NOI '04 P4 - Rainfall China NOI 25p 10.2% 5
NOI '03 P6 - Wisdom Breaking Connection China NOI 25p 5.7% 5
NOI '11 P6 - Bunny and Eggy's Game China NOI 25p 10.0% 5
WC '99 Suicidal P3 - Message Woburn Challenge 12 42.9% 5
WC '01 P9 - The Thirteenth Floor Woburn Challenge 15 29.2% 5
WC '17 Contest 3 S4 - Relevant Results Woburn Challenge 20p 7.8% 5
WC '02 Suicidal P4 - The Spell of Lord Ruru Woburn Challenge 10 29.3% 5
WC '02 P3 - The Big Book of Recipes Woburn Challenge 10 6.2% 5
Checkerboard Cut Uncategorized 25p 30.1% 5
Baltic OI '17 P4 - Friends Baltic OI 35p 25.0% 5
IOI '12 P4 - Ideal City (Standard I/O) IOI 25p 42.9% 5
ICPC SWERC 2017 G - Cordon Bleu ICPC 17 50.0% 5
Baltic OI '06 P5 - RLE Compression Baltic OI 20 11.1% 5
COCI '20 Contest 1 #3 3D Histogram COCI 30p 22.2% 5
COCI '11 Contest 1 #6 Skakac COCI 12p 31.6% 5
COCI '11 Contest 2 #6 Raspored COCI 15p 38.5% 5
COCI '11 Contest 3 #6 Traka COCI 20p 53.3% 5
COCI '13 Contest 4 #5 Čokolade COCI 15p 11.9% 5
COCI '12 Contest 1 #6 Mars COCI 20p 35.3% 5
COCI '12 Contest 2 #6 Inspektor COCI 25p 48.0% 5
COCI '17 Contest 5 #6 Planinarenje COCI 20p 29.4% 5
COCI '17 Contest 7 #6 Priglavci COCI 20p 31.3% 5
JOI '20 Spring Camp Day 3 P1 - Constellation 3 JOI 30p 35.7% 5
JOI '20 Spring Camp Day 3 P2 - Harvest JOI 35p 27.3% 5
Another Contest 6 Problem 11 - Infinite Corridor Simulator ACC 0p 1.9% 5
DMOPC '20 Contest 5 P6 - Top Row DMOPC 35p 3.1% 5
BSSPC '21 S5 - James Solves His Tree Problems Uncategorized 25p 2.1% 5