User hopemope

Points breakdown

20 / 20

AC | C++17

COI '07 #4 Umnožak

on Aug. 23, 2025, 4:33 p.m.

25pp

weighted 100% (25pp)

200 / 200

AC | C++17

IOI '01 P3 - Twofive

on Jan. 9, 2025, 1:34 a.m.

25pp

weighted 95% (24pp)

100 / 100

AC | C++17

CCO Preparation Test 6 P3 - HopScotch

on Nov. 9, 2025, 4:32 a.m.

20pp

weighted 90% (18pp)

15 / 15

AC | C++17

CCC '23 S5 - The Filter

on Oct. 12, 2025, 3:04 p.m.

20pp

weighted 86% (17pp)

100 / 100

AC | C++17

DMOPC '19 Contest 7 P5 - Soriya's Programming Project

on Sept. 25, 2025, 6:16 p.m.

20pp

weighted 81% (16pp)

100 / 100

AC | C++17

Baltic OI '09 P5 - Triangulation

on Aug. 31, 2025, 9:23 p.m.

20pp

weighted 77% (15pp)

25 / 25

AC | C++17

CCO '17 P4 - Rainfall Storage

on Aug. 22, 2025, 8:17 p.m.

20pp

weighted 74% (15pp)

30 / 30

AC | C++17

CCC '19 S4 - Tourism

on July 29, 2025, 1:18 a.m.

20pp

weighted 70% (14pp)

100 / 100

AC | C++17

HCI '16 - Jumping

on July 26, 2025, 4:29 p.m.

20pp

weighted 66% (13pp)

100 / 100

AC | C++17

Educational DP Contest AtCoder W - Intervals

on July 26, 2025, 4:59 a.m.

20pp

weighted 63% (13pp)

Problem	Score
Baltic OI '02 P1 - Speed Limits	12 / 12
Baltic OI '02 P4 - Bicriterial Routing	12 / 12
Baltic OI '09 P5 - Triangulation	20 / 20
Baltic OI '13 P2 - Palindrome-Free Numbers	15 / 15
Baltic OI '17 P6 - Cat in a tree	15 / 15

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S3 - Surfing	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S3 - Blindfold	15 / 15
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '02 S4 - Bridge Crossing (Hard)	6 / 20
CCC '02 S5 - Follow the Bouncing Ball	10 / 10
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	15 / 15
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 J4 - Simple Encryption	5 / 5
CCC '04 J5 - Fractals	10 / 10
CCC '04 S3 - Spreadsheet	10 / 10
CCC '04 S4 - Space Turtle	10 / 10
CCC '04 S5 - Super Plumber	10 / 10
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J5 - Bananas	10 / 10
CCC '05 S3 - Quantum Operations	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '06 J5 - CCC Othello	10 / 10
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '06 S4 - Groups	10 / 10
CCC '06 S5 - Origin of Life	15 / 15
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S3 - Friends	7 / 7
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '08 S5 - Nukit	10 / 10
CCC '09 J4 - Signage	7 / 7
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '09 S5 - Wireless	12 / 12
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S3 - Firehose	15 / 15
CCC '10 S4 - Animal Farm	15 / 15
CCC '10 S5 - Nutrient Tree	20 / 20
CCC '11 J4 - Boring Business	7 / 7
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S4 - Blood Distribution	15 / 15
CCC '11 S5 - Switch	12 / 12
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '12 S4 - A Coin Game	15 / 15
CCC '12 S5 - Mouse Journey	7 / 7
CCC '13 J4 - Time on task	5 / 5
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '13 S5 - Factor Solitaire	15 / 15
CCC '14 S2 - Assigning Partners	5 / 5
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
CCC '14 S5 - Lazy Fox	20 / 20
CCC '15 J4 - Wait Time	5 / 5
CCC '15 J5 - π-day	10 / 10
CCC '15 S3 - Gates	10 / 10
CCC '15 S4 - Convex Hull	15 / 15
CCC '15 S5 - Greedy For Pies	17 / 17
CCC '16 J4 - Arrival Time	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S4 - Combining Riceballs	15 / 15
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S3 - Nailed It!	7 / 7
CCC '17 S4 - Minimum Cost Flow	17 / 17
CCC '18 J5 - Choose your own path	7 / 7
CCC '18 S3 - RoboThieves	10 / 10
CCC '18 S4 - Balanced Trees	15 / 15
CCC '18 S5 - Maximum Strategic Savings	20 / 20
CCC '19 J5 - Rule of Three	10 / 20
CCC '19 S3 - Arithmetic Square	12 / 12
CCC '19 S4 - Tourism	20 / 20
CCC '20 J2 - Epidemiology	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S2 - Escape Room (Hard)	15 / 15
CCC '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
CCC '20 S5 - Josh's Double Bacon Deluxe	17 / 17
CCC '21 J4 - Arranging Books	7 / 7
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
CCC '21 S4 - Daily Commute	12 / 12
CCC '21 S5 - Math Homework	15 / 15
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	10 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '22 S3 - Good Samples	10 / 10
CCC '22 S4 - Good Triplets	15 / 15
CCC '23 J3 - Special Event	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
CCC '23 S1 - Trianglane	5 / 5
CCC '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
CCC '24 J4 - Troublesome Keys	3.667 / 5
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '24 S3 - Swipe	10 / 10
CCC '24 S4 - Painting Roads	12 / 12
CCC '24 S5 - Chocolate Bar Partition	2.667 / 20
CCC '25 J5 - Connecting Territories	7 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S3 - Pretty Pens	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	2.267 / 17
CCC '96 S3 - Pattern Generator	5 / 5
CCC '96 S4 - When in Rome	10 / 10
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '97 S4 - Dynamic Dictionary Coding	5 / 5
CCC '98 S3 - Mars Rover	7 / 7
CCC '98 S4 - Lottery	10 / 10
CCC '99 S3 - Divided Fractals	7 / 7
CCC '99 S4 - A Knightly Pursuit	12 / 12

Problem	Score
CCO '07 P2 - Snowflakes	10 / 10
CCO '10 P1 - Barking Dogs!	10 / 10
CCO '11 P2 - Vampire Tunnels	15 / 15
CCO '12 P2 - The Hungary Games	15 / 15
CCO '13 P3 - LHC	12 / 12
CCO '13 P4 - A Romantic Movie Outing	20 / 20
CCO '14 P3 - Werewolf	17 / 17
CCO '16 P4 - O Canada	10 / 10
CCO '17 P4 - Rainfall Storage	20 / 20
CCO '20 P2 - Exercise Deadlines	15 / 15
CCO '22 P1 - Alternating Heights	12 / 12
CCO '23 P1 - Binaria	12 / 12
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '25 P1 - Asteroid Mining	15 / 15

Problem	Score
CIW '25 P1 - Course Override	7 / 7
CIW '25 P2 - Chocolate Bar Partition 2	12 / 12

Problem	Score
HopScotch II	12 / 12
Longest Increasing Subsequence	10 / 10

User hopemope

Points breakdown

AAC (12 points)

ACC (15 points)

APIO (20 points)

Baltic OI (74 points)

Bubble Cup (17 points)

CCC (1227.601 points)

CCO (193 points)

CEOI (15 points)

China NOI (20 points)

CIW (19 points)

Classics (22 points)

COCI (301 points)

Data Structure Tests (35 points)

DMOPC (321 points)

ECOO (19 points)

EGOI (59 points)

Google Code Jam (10 points)

ICPC (30 points)

IOI (255 points)

JOI (32 points)

Mock CCC (59 points)

Mock CCO (35 points)

Olympiads School (19 points)

POI (12 points)

SAC Coding Challenge (7 points)

Seasonal (7 points)

SIUCF (35 points)

TLE (25 points)

Uncategorized (728.400 points)

VM7WC (15 points)

Woburn Challenge (22 points)

YAC (123.200 points)

Problem	Score
COCI '06 Contest 3 #5 Bicikli	15 / 15
COCI '07 Contest 3 #5 Cudak	15 / 15
COCI '08 Contest 4 #4 Slikar	17 / 17
COCI '08 Contest 6 #3 Nered	10 / 10
COCI '09 Contest 2 #4 Vuk	10 / 10
COCI '10 Contest 7 #5 Kuglice	12 / 12
COCI '12 Contest 1 #4 Ljubomora	7 / 7
COCI '12 Contest 3 #3 Malcolm	7 / 7
COCI '12 Contest 5 #4 Hipercijevi	10 / 10
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 2 #4 Putnik	12 / 12
COCI '13 Contest 3 #5 Parovi	12 / 12
COCI '15 Contest 4 #4 Chewbacca	12 / 12
COCI '16 Contest 6 #5 Sirni	15 / 15
COCI '17 Contest 2 #3 Doktor	10 / 10
COCI '17 Contest 5 #4 Karte	15 / 15
COCI '18 Contest 1 #2 Zamjena	7 / 7
COCI '18 Contest 1 #3 Cipele	10 / 10
COCI '18 Contest 1 #4 Strah	15 / 15
COCI '18 Contest 2 #3 Deblo	15 / 15
COCI '19 Contest 3 #2 Grudanje	7 / 7
COCI '19 Contest 4 #2 Spiderman	7 / 7
COCI '20 Contest 6 #3 Anagramistica	12 / 12
COCI '21 Contest 5 #1 Kemija	7 / 7
COCI '22 Contest 4 #2 Zrinka	10 / 10
COI '07 #4 Umnožak	25 / 25

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15

Problem	Score
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '15 Contest 5 P5 - World Line Convergence	15 / 15
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '15 Contest 7 P5 - Ariadne's Thread	17 / 17
DMOPC '16 Contest 1 P4 - Tree Appraisal	15 / 15
DMOPC '17 Contest 3 P2 - Towers of Hanoi	7 / 7
DMOPC '17 Contest 5 P4 - Intersecting Arcs	17 / 17
DMOPC '18 Contest 3 P4 - Bob and English Class	15 / 15
DMOPC '19 Contest 1 P3 - Simple Math	12 / 12
DMOPC '19 Contest 2 P4 - A Greedy Problem	15 / 15
DMOPC '19 Contest 3 P4 - Same Colour Leaves	15 / 15
DMOPC '19 Contest 4 P3 - Taking Cues	12 / 12
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest	5 / 5
DMOPC '19 Contest 7 P2 - Dinner Party	10 / 10
DMOPC '19 Contest 7 P5 - Soriya's Programming Project	20 / 20
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 10 P3 - Peculiar Reflections	12 / 12
DMOPC '21 Contest 3 P3 - Hopping Frogs	15 / 15
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 6 P4 - Colourful Paths	15 / 15
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMOPC '22 Contest 2 P3 - Good Permutations	12 / 12
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMPG '16 S5 - Pizza Bag	12 / 12

Problem	Score
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '16 R2 P1 - Palindrome Panic	12 / 12

Problem	Score
EGOI '21 P2 - Luna Likes Love	12 / 12
EGOI '22 P2 - Lego Wall	15 / 15
EGOI '23 P2 - Padel Prize Pursuit	10 / 10
EGOI '23 P5 - Carnival General	10 / 10
EGOI '23 P6 - Candy	12 / 12

Problem	Score
ACM U of T Tryouts C2 F - Light Cyclin'	20 / 20
CERC '07 B - Strange Billboard	10 / 10

Problem	Score
IOI '01 P3 - Twofive	25 / 25
IOI '08 P1 - Type Printer	12 / 12
IOI '10 P3 - Quality of Living (Standard I/O)	15 / 15
IOI '11 P2 - Race	17 / 17
IOI '11 P2 - Race (Standard I/O)	17 / 17
IOI '13 P1 - Dreaming (Standard I/O)	15 / 15
IOI '14 Practice Task 3 - Tile	10 / 10
IOI '95 P2 - Shopping Offers	15 / 15
IOI '95 P4 - Letter Game	15 / 15
IOI '95 P5 - Street Race	15 / 15
IOI '96 P1 - A Game	10 / 10
IOI '96 P2 - Job Processing	20 / 20
IOI '96 P3 - Network of Schools	12 / 12
IOI '98 P2 - Starry Night	15 / 15
IOI '98 P3 - Party Lamps	12 / 12
IOI '98 P4 - Picture	15 / 15
IOI '98 P5 - Camelot	15 / 15

Problem	Score
JOI '14 Open P6 - Secret	17 / 17
JOI '17 Final P4 - Commuter Pass	15 / 15

Problem	Score
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
Mock CCC '23 Contest 1 J3 - Pairing Gifts	5 / 5
Mock CCC '23 Contest 1 J4 - String Decryption	5 / 5
Mock CCC '23 Contest 1 J5 - Calculus Problem	12 / 12
Mock CCC '23 1 S1 - Composite Fibonacci Numbers	5 / 5
Mock CCC '23 1 S3 - Richard The Penguin	2 / 10
Mock CCC '18 Contest 2 S4 - A Tree Problem	12 / 12
Mock CCC '21 S4 - Infinite Molecule	12 / 12

Problem	Score
CCO Preparation Test 6 P3 - HopScotch	20 / 20
Mock CCO '18 Contest 4 Problem 3 - Counterattack	15 / 15

Problem	Score
Summer Institute '17 Contest 1 P5 - Crazy Math	15 / 15
Summer Institute '17 Contest 3 P5 - Balanced Cycles	20 / 20

Problem	Score
TLE '16 Contest 4 P4 - Christmas Tree Building	15 / 15
TLE '17 Contest 8 P3 - Curious Numbers	10 / 10

Problem	Score
2-D Permutations	10 / 10
A Digit Problem	12 / 12
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 1 P5 - Hacking Grades	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Arcadia Computing Contest 2 P3 - Alternato	7 / 7
Arcadia Computing Contest 2 P4 - Choose Your Own Adventure!	7 / 7
Arcadia Computing Contest 2 P5 - lp0 is on fire!	10 / 10
A Plus B	3 / 3
APTX 4869	10 / 10
Art Academy VII: A Mysterious Object	12 / 12
BSSPC '21 S3 - James's Egirl Discord Status	7 / 7
Back to School '24 P2 - Cheating	10 / 10
Back to School '24 P3 - Tournament	12 / 12
Back to School '24 P4 - Candidates	15 / 15
Casino Crisis	12 / 12
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S4 - Mystery Boxes	10 / 10
CPC '19 Contest 1 P2 - Luggage	7 / 7
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Dr. Anne Anderson Coding Contest 1 P2 - Pokemon Battles	3 / 3
Dr. Anne Anderson Coding Contest 1 P3 - The Unwritten Rules	5 / 5
Dr. Anne Anderson Coding Contest 1 P4 - Lighting	5 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	7 / 7
Dr. Anne Anderson Coding Contest 1 P6 - Designing An Academic Course Calendar	10 / 10
Dilhan's Computing Contest 1 P1 - The Cathedral of Learning	3 / 3
Dilhan's Computing Contest 1 P2 - Square Sum	12 / 12
Dilhan's Computing Contest 1 P3 - Soccer Court	10 / 10
Dilhan's Computing Contest 1 P4 - Increasing Sequence With Gap	3.400 / 17
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder R - Walk	15 / 15
Educational DP Contest AtCoder S - Digit Sum	12 / 12
Educational DP Contest AtCoder V - Subtree	20 / 20
Educational DP Contest AtCoder W - Intervals	20 / 20
Educational DP Contest AtCoder Y - Grid 2	17 / 17
Educational DP Contest AtCoder Z - Frog 3	20 / 20
Fibonacci Sequence	15 / 15
HCI '16 - Jumping	20 / 20
Hello, World!	3 / 3
Liars	15 / 15
A Math Contest P1 - Arrays	5 / 5
Ones	10 / 10
OTHS Coding Competition 1 (Mock CCC) J4 - Railgun	7 / 7
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 10
OTHS Coding Competition 3 (Mock CCC) S1 - The 5th Laboratory	5 / 5
OTHS Coding Competition 3 (Mock CCC) S2 - Together Forever	7 / 7
OTHS Coding Competition 3 (Mock CCC) S3 - Domain Expansion	10 / 10
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	5 / 5
OTHS Coding Competition 4 P3 - Photo	5 / 5
OTHS Coding Competition 4 P4 - Mathemagical Experiment	10 / 10
Path Finder	10 / 10
Power Eggs	15 / 15
RTE '16 S3 - School Traversal	7 / 7
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Singularity Cup P3 - Interplanetary Travel	15 / 15
Singularity Cup P4 - Staircase Sum	17 / 17
Python Infinite Loop	7 / 7
Subway Routes	12 / 12
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
Tropical Bananas	10 / 10
UACC 1 P3 - Cheeky Checkers	7 / 7
UTS Open '18 P4 - Ianine's Lil Lab	10 / 10
UTS Open '21 P2 - Prime Array	10 / 10
UTS Open '21 P3 - Latin Class	10 / 10
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
UTS Open '24 P3 - LXghts Out	10 / 10
UTS Open '24 P4 - Political Espionage	12 / 12
James' XOR Update	12 / 12

Problem	Score
WC '17 Contest 4 S2 - Strange Travels	10 / 10
WC '18 Finals S2 - Top Billing	12 / 12

Problem	Score
Yet Another Contest 1 P4 - No More Searching	12 / 12
Yet Another Contest 3 P2 - Work Experience	10 / 10
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 5 P2 - Big Score	10 / 10
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7
Yet Another Contest 8 P3 - Herobrine	7.200 / 12
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5
Yet Another Contest 9 P2 - Nim	7 / 7
Yet Another Contest 9 P3 - Divide and Delete	10 / 10
Yet Another Contest 9 P4 - Grid Push	15 / 15
Yet Another Contest 9 P5 - Road Redistribution	15 / 15