Problems

Problem		Topic
Legacy	2300 International Master	graph	@NatInTheHat
Minimum spanning tree for each edge	2100 Master	graph	@azure-
Xenia and Tree	2400 Grandmaster	tree	@lrvideckis
Keyboard Queries	2690 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@andy-phan-3775
Christmas Tree Un-decoration	2600 International Grandmaster	NEW!	@camc
Kuroni and the Punishment	2500 Grandmaster	math	@camc
Tree Generator™	2700 International Grandmaster	NEW!	@ssk4988
Heaps of Fun	2270 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@ssk4988
Xenon's Attack on the Gangs	2300 International Master	NEW!	@camc
Vertex Pairs	2900 International Grandmaster	tree	@lrvideckis
Marblecoin	Unrated	misc	@camc
Unique Occurrences	2300 International Master	tree	@Java
Factor-Free Tree	2300 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Open-Pit Mining	1760 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Count Pairs	2300 International Master	math	@lrvideckis
Rollbacks (Hard Version)	2600 International Grandmaster	misc	@camc
Even Substrings	2690 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@ssk4988
Joining Networks	2090 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@MSchallenkamp
YATP	1760 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@tehqin
Ciel and Gondolas	2600 International Grandmaster	misc	@about
Almost Union-Find	1730 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Maximum Monogonosity	2500 Grandmaster	misc	@Java
Holes	2700 International Grandmaster	array	@ssk4988
PermuTree (hard version)	2700 International Grandmaster	tree	@camc
Capybara Cozy Carnival	Unrated	math	@azure-
The BOSS Can Count Pairs	2000 Candidate Master	NEW!	@camc
Favorite Tree	Unrated	tree	@meaf
Binary Voting	1940 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Powers and Modulus	2000 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
On-Call Team	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@sathvik-kuthuru-9710
Interactive Treasure Hunt	2200 Master	geometry	@meaf
Yet Another MEX Problem	2300 International Master	NEW!	@camc
Wi Know	2420 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
XOR, Tree, and Queries	2500 Grandmaster	NEW!	@camc
Triangular Logs	2810 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lightseba
Gurdurr	Unrated	NEW!	@ssk4988
Routing	2400 Grandmaster	graph	@ssk4988
Bermart Ice Cream	2700 International Grandmaster	NEW!	@camc
LuoTianyi and the Floating Islands (Hard Version)	2300 International Master	tree	@ssk4988
Date Pickup	3050 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Islands from the Sky	1820 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Book Club	1910 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Range Minimum Sum	2300 International Master	array	@ssk4988
String Stretching	3110 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Tree Number Generator	2420 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@thomas-meeks
Not a Nim Problem	2100 Master	math	@ssk4988
Hyperregular Bracket Strings	2400 Grandmaster	NEW!	@camc
Lengths and Periods	Unrated	string	@ssk4988
Grid Game	2060 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Full Depth Morning Show	2000 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@ssk4988
Nested Dolls	2450 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Envy	2300 International Master	NEW!	@camc
Sasha and Array	2300 International Master	NEW!	@camc
Balloon Darts	Unrated	geometry	@azure-
Isolation	2900 International Grandmaster	array	@Errichto
Prime Bitcount	2630 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@sathvik-kuthuru-9710
Pokegene	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Best Subsequence	2500 Grandmaster	array	@ssk4988
Game on Growing Tree	2700 International Grandmaster	NEW!	@camc
Boom!	3230 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Magical Crystals	2090 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Digital Village (Extreme Version)	2800 International Grandmaster	NEW!	@camc
Rainbow Roads	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Nekameleoni	2660 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lightseba
Diameter Intersections	Unrated	NEW!	@camc
Greedy Shopping	2600 International Grandmaster	NEW!	@camc
Ehab's REAL Number Theory Problem	2600 International Grandmaster	NEW!	@camc
Ivan Dorn	Unrated	misc	@camc
Gifts Order	2000 Candidate Master	array	@medbar
Landscaping	1790 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Oop	3080 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@matthew-joseph-schallenkamp
Another Query on Array Problem	2870 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@camc
Eerie Subarrays	2930 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Cutting Strings	3140 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Labeling the Tree with Distances	2400 Grandmaster	tree	@ssk4988
The Majestic Brown Tree Snake	3000 Legendary Grandmaster	tree	@lrvideckis
Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths	2900 International Grandmaster	NEW!	@camc
Quadratic Set	2900 International Grandmaster	math	@camc
Shortest Path Problem?	2300 International Master	graph	@camc
Kingdom and its Cities	2800 International Grandmaster	tree	@Java
Ascending Photo	2990 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Customs Controls	2180 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
0-1 Sequences	2330 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Shuffles	1970 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Jewel Thief	3050 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@tehqin
Frank Sinatra	Unrated	misc	@camc
Tree Queries	2700 International Grandmaster	tree	@camc
Take On Meme	2630 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@tyler-marks
XORificator	2300 International Master	NEW!	@camc
Code Names	2180 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Icy Itinerary	2840 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@daniel-west
Escape Through Leaf	2700 International Grandmaster	tree	@lrvideckis
Magical GCD	2180 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
The Number of Subpermutations	2500 Grandmaster	array	@NatInTheHat
Watermelon	800 Newbie	NEW!	@tourist
Triangles	2630 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@ssk4988
Apple Tree Traversing	Unrated	NEW!	@ssk4988
Xum	2500 Grandmaster	math	@Xylenox
Artwork	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Cutting the Necklace	2300 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Makoto and a Blackboard	2200 Master	math	@Xylenox
Critical Elements	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Stogovi	2840 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
LCM Sum (hard version)	2500 Grandmaster	math	@camc
Mike and Friends	2800 International Grandmaster	string	@lrvideckis
Prosjek	2330 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Maximize the Difference	2700 International Grandmaster	array	@lrvideckis
A-Z Graph	2400 Grandmaster	graph	@azure-
Sword Counting	2900 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@camc
Counting Satellites	2570 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@camc
Board Game	Unrated	geometry	@meaf
The hat	2000 Candidate Master	queries	@azure-
Exactly Paired	2870 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Power Tree	2500 Grandmaster	NEW!	@camc
Iron and Coal	2060 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Magical Distances	3230 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Connected Components?	2100 Master	graph	@azure-
Another Substring Query Problem	2960 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@jacob-steinebronn
Yet Another Array Counting Problem	2300 International Master	math	@ssk4988
Hiring Help	2780 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
1's For All	2390 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@sathvik-kuthuru-9710
Tree Operations	2500 Grandmaster	NEW!	@camc
The Escape	3230 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Star Wars Movies	2120 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Rollbacks (Easy Version)	2500 Grandmaster	misc	@camc
You Are Given a Tree	2800 International Grandmaster	NEW!	@camc
ilove Strings	2840 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@travis-meade
Greedy Subsequences	2400 Grandmaster	NEW!	@camc
Bridge building	1850 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Jabuke	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@lrvideckis
Complete the Projects (easy version)	2100 Master	misc	@ssk4988
Cloyster	Unrated	queries	@lrvideckis
Pirate Chest	2930 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Amanda Lounges	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Modulo 3	2700 International Grandmaster	NEW!	@camc
Distinctive Character	2900 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
PermuTree (easy version)	1800 Expert	tree	@ssk4988
Graph Subset Problem	2600 International Grandmaster	NEW!	@camc
Similar Spacing	2540 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lightseba
Ortest Path	1580 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Domes	2150 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Apples, Cherries, and Mangos	2630 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@andy-phan-3775
Non-boring sequences	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
MST in Modulo Graph	2600 International Grandmaster	NEW!	@camc
Intact Intervals	2300 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Red/Blue Spanning Tree	2120 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Ivan and Burgers	2500 Grandmaster	math	@ssk4988
Replace on Segment	2500 Grandmaster	array	@ssk4988
Classical Counting	2900 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Sakurako and Chefir	2200 Master	tree	@ssk4988
Working routine	2500 Grandmaster	NEW!	@camc
Riddle of the Sphinx	1400 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@azure
Hopscotch 500	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@camc
Metal Processing Plant	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@andy-phan-3775
Wine Factory (Hard Version)	2800 International Grandmaster	array	@ssk4988
Fire Exits	2930 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@sathvik-kuthuru-9710
Apple Market	2840 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@camc
Impartial Strings	3080 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	NEW!	@ssk4988
Node Pairs	2200 Master	graph	@ssk4988
Trees of Tranquillity	2300 International Master	NEW!	@camc
Square Subsets	2000 Candidate Master	math	@Xylenox
Programming Team	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@camc
Power Tower	2700 International Grandmaster	math	@Xylenox
Installing Apps	2540 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Decomposition	2300 International Master	array	@ssk4988
Billetes MX (Easy Version)	2500 Grandmaster	graph	@ssk4988
Purple Crayon	2400 Grandmaster	tree	@ssk4988
Colorful Tree	Unrated	tree	@Xylenox
Advertising ICPC	2870 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@thomas-meeks
Equal Binary Subsequences	2200 Master	string	@ssk4988
Early Orders	2300 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Weather Forecast	Unrated	array	@azure-
Group Projects	2400 Grandmaster	array	@Java
Vowels	2700 International Grandmaster	math	@lightseba
Similar Sets	2300 International Master	NEW!	@camc
The Charioteer	Unrated	geometry	@azure-
Coprime Integers	2000 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Superdoku	2540 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Drawing Circles	3110 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@ssk4988
Marshland Rescues	2210 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Stardew Valley	2500 Grandmaster	graph	@azure-
Paired Payment	2200 Master	graph	@ssk4988
Apple Orchard	2900 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Zebra-like Numbers	Unrated	math	@azure-
Max Pair Matching	Unrated	graph	@azure-
Delete a Segment	2300 International Master	geometry	@ssk4988
Goods transportation	2900 International Grandmaster	NEW!	@azure-
Finding Lines	2150 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@thomas-meeks
Circle of Friends	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@camc
Tip of Your Tongue	2810 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@azure
Maximize Nor	2600 International Grandmaster	NEW!	@camc
Around the Track	3170 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@enwask
Interesting Paths	Unrated	graph	@azure-
Pieces of Parentheses	2270 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Monitoring Ski Paths	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Pebbles and Beads	2900 International Grandmaster	geometry	@lightseba
Cow and Exercise	3100 Legendary Grandmaster	graph	@Xylenox
Zuma	2930 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@ssk4988
Maximal Sequences	2450 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Distinctive Roots in a Tree	2500 Grandmaster	NEW!	@camc
Instant Messanger	Unrated	queries	@Errichto
Piece It Together	2090 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@tehqin
Elementary Math	1850 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
House Deconstruction	2570 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@tyler-marks
Fruit Slicer	2660 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Hoarse Horses	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Black Circles	1200 Pupil	geometry	@ssk4988
Poklon	2390 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Faster Than Light	Unrated	misc	@alg01
Problematic Polygons	2480 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Triangle Containment	2480 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Dorm Room Divide	2540 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Stamp Stamp	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Kevin and And	2000 Candidate Master	math	@ssk4988
Chaotic V.	2700 International Grandmaster	graph	@Java
Mahmoud and Ehab and yet another xor task	2400 Grandmaster	array	@Xylenox
Circle Bounce	1970 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Cat vs. Dog	2330 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Ski Resort	2390 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@tehqin
Brackets	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
Prefix Enlightenment	2400 Grandmaster	graph	@azure-
Monotony	2840 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Covered Walkway	1850 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@natalie-longtin-7170
Serval and Kaitenzushi Buffet	Unrated	misc	@ssk4988
Multiple Lamps	2400 Grandmaster	math	@ssk4988
-is-this-bitset-	Unrated	tree	@alg01
Monocarp and a Strategic Game	2700 International Grandmaster	array	@marks39
NN country	2800 International Grandmaster	tree	@lightseba
Never Jump Down	2420 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Heavy-light Decomposition	Unrated	tree	@azure-
The Supersonic Rocket	2400 Grandmaster	geometry	@alg01
Prince's Problem	2800 International Grandmaster	tree	@lrvideckis
Dragon Ball II	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Paint	2210 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Exponial	2150 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lightseba
Palindrome Addicts	3300 Legendary Grandmaster	string	@lightseba
Simultaneous Coloring	3000 Legendary Grandmaster	graph	@Radewoosh
Tree Coloring	2600 International Grandmaster	tree	@Xylenox
A Different List Game	3200 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Captain America	3100 Legendary Grandmaster	graph	@lightseba
Fibonacci Words	2030 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@lrvideckis
AND Permutation	2480 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@camc
Red-Black Pepper	2300 International Master	math	@camc
Uncle Bogdan and Projections	2700 International Grandmaster	geometry	@NatInTheHat
LCIS	2800 International Grandmaster	array	@Java
Fancy Antiques	2930 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@ssk4988
String Compression	2400 Grandmaster	NEW!	@camc
1-D Frogger (Hard)	3020 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@sathvik-kuthuru-9710
The Uncertainty of Politics	2120 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@azure
Koala and Notebook	2600 International Grandmaster	NEW!	@camc
Museum Visit	Unrated	queries	@azure-
Inverse Factorial	2210 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
AND Graph	2500 Grandmaster	graph	@lrvideckis
Sliding Blocks	2810 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Bitwise	2390 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Kth Subtree	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Gerald and Giant Chess	2200 Master	math	@Xylenox
Lazy Printing	Unrated	string	@ssk4988
Pokémon Arena	2400 Grandmaster	graph	@ssk4988
Remove Directed Edges	2000 Candidate Master	graph	@ssk4988
Barcode	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Divisors	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Monsters	2100 Master	graph	@ssk4988
Death DBMS	2600 International Grandmaster	array	@lightseba
Fractal Tree	2600 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	tree	@lrvideckis
Disk Covering	Unrated	geometry	@enwask
Fantastic Problem	2180 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Abstract Painting	1820 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Addition on Segments	2200 Master	array	@ssk4988
Hopscotch	2210 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Pursuit For Artifacts	2300 International Master	graph	@DanielW48
Magic Bean	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@ssk4988
Chair Hopping	2090 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Great Fireball	2750 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@enwask
Needle	Unrated	geometry	@azure-
Palindromes	2690 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	NEW!	@atharva-nagarkar
Winter Roads	3350 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lightseba
Star MST	2200 Master	graph	@ssk4988
Highest Tower	2660 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Factovisors	2270 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@lrvideckis
Titanomachy	Unrated	array	@alg01
The Components Game	2750 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Fancy Fence	3200 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@lrvideckis
Growing Some Oobleck	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Highway Combinatorics	Unrated	math	@azure-
The Untended Antiquity	2400 Grandmaster	queries	@NatInTheHat
k-Colouring of a Graph	3170 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@atharva-nagarkar
Unique Median	2200 Master	array	@ssk4988
Pattern Matching	2300 International Master	string	@ssk4988
Black and White	2000 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@thomas-meeks
Inverse Transformation	2500 Grandmaster	math	@Xylenox
Furry Nuisance	2570 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
First of Her Name	2210 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@jacob-steinebronn
Pipes	3230 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	graph	@lrvideckis
Panda Preserve	2030 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Variables and Operations	2800 International Grandmaster	NEW!	@camc
Aa	2240 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	string	@ioi-108
Smooth Array	2810 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Beautiful Rectangle	2300 International Master	NEW!	@camc
Traveling Salesperson in an Island	Unrated	graph	@azure-
Curious Cupid	2390 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	queries	@lrvideckis
Shortest Flight Path	2720 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	geometry	@tyler-marks
Flipping Cards	2480 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis
Comparator	2510 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	math	@ssk4988
XOUR	1700 Expert	graph	@ssk4988
Mountainous Palindromic Subarray	1700 Kattis difficulty mapped from 1-10 scale to 800-3500 rating range	array	@lrvideckis