User hen

Points breakdown

512 / 512

AC | PY3

TLE 2018-19 P1 - Hello, World!

on Feb. 20, 2025, 5:02 p.m.

20pp

weighted 100% (20pp)

100 / 100

AC | TEXT

DMOPC '22 Contest 5 P6 - Threes and Twos

on Feb. 5, 2025, 4:19 p.m.

20pp

weighted 95% (19pp)

100 / 100

AC | TEXT

DMOPC '21 Contest 10 P5 - Number Theory

on June 6, 2024, 4:19 p.m.

20pp

weighted 90% (18pp)

100 / 100

AC | C++17

Back To School '16: Times Table

on March 13, 2025, 2:49 a.m.

17pp

weighted 86% (15pp)

15 / 15

AC | C++17

CCC '15 S4 - Convex Hull

on Feb. 7, 2025, 10:57 p.m.

15pp

weighted 81% (12pp)

100 / 100

AC | PY2

Self-deception

on Feb. 5, 2025, 4:20 p.m.

15pp

weighted 77% (12pp)

100 / 100

AC | C++17

GFSSOC '15 Fall S4 - Mostly Talking

on Jan. 31, 2025, 9:36 p.m.

15pp

weighted 74% (11pp)

100 / 100

AC | C++17

CCC '10 S3 - Firehose

on July 10, 2024, 9:31 p.m.

15pp

weighted 70% (10pp)

150 / 150

AC | PY3

CCC '13 S5 - Factor Solitaire

on April 13, 2024, 8:00 p.m.

15pp

weighted 66% (10.0pp)

100 / 100

AC | C++17

COI '06 #1 Patrik

on March 14, 2025, 2:00 a.m.

12pp

weighted 63% (7.6pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 2 P4 - Koala Gambling	12 / 12
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 6 P2 - G-Pop	7 / 7
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Cost	3 / 3
BlueBook - Direction	3 / 3
BlueBook - Pay	3 / 3
BlueBook - Change	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Max is Last	3 / 3
BlueBook - Column of Numbers	3 / 3
BlueBook - Exact Divisors	3 / 3
BlueBook - Grades	3 / 3
BlueBook - Leap Year	3 / 3
BlueBook - Multiple	3 / 3

Problem	Score
CCC '00 J1 - Calendar	5 / 5
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S5 - Sheep and Coyotes	4 / 10
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S3 - Floor Plan	7 / 7
CCC '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 J4 - Simple Encryption	5 / 5
CCC '04 J5 - Fractals	10 / 10
CCC '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S4 - Space Turtle	10 / 10
CCC '04 S5 - Super Plumber	10 / 10
CCC '05 J4 - Cross Spiral	7 / 7
CCC '05 J5 - Bananas	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S3 - Firehose	15 / 15
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S5 - Switch	3.600 / 12
CCC '12 J1 - Speed fines are not fine!	3 / 3
CCC '12 J2 - Sounds fishy!	3 / 3
CCC '12 S1 - Don't pass me the ball!	3 / 3
CCC '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '12 S5 - Mouse Journey	7 / 7
CCC '13 J1 - Next in line	3 / 3
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 '15 J5 - π-day	10 / 10
CCC '15 S3 - Gates	10 / 10
CCC '15 S4 - Convex Hull	15 / 15
CCC '16 J3 - Hidden Palindrome	5 / 5
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	2 / 15
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 J3 - Exactly Electrical	3 / 3
CCC '17 J4 - Favourite Times	5 / 5
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '17 S3 - Nailed It!	7 / 7
CCC '18 J1 - Telemarketer or not?	3 / 3
CCC '18 J2 - Occupy parking	3 / 3
CCC '18 J3 - Are we there yet?	3 / 3
CCC '18 J5 - Choose your own path	7 / 7
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	12 / 12
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
CCC '21 J4 - Arranging Books	7 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
CCC '21 S4 - Daily Commute	12 / 12
CCC '22 J5 - Square Pool	5.333 / 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 '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 '24 J1 - Conveyor Belt Sushi	3 / 3
CCC '24 J2 - Dusa And The Yobis	3 / 3
CCC '24 J3 - Bronze Count	5 / 5
CCC '24 J4 - Troublesome Keys	5 / 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 '25 S4 - Floor is Lava	12 / 12
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '98 S4 - Lottery	10 / 10
CCC '98 S5 - Mountain Passage	10 / 10
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J4 - Where to build my house?	5 / 5
CCCHK '15 S2 - Matching Problem	4 / 10

Problem	Score
CCO '07 P2 - Snowflakes	10 / 10
CCO '10 P6 - Shuffle	10 / 10
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '24 P1 - Treasure Hunt	2 / 10

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

User hen

Points breakdown

AAC (37 points)

Baltic OI (10 points)

BlueBook (36 points)

CCC (717.933 points)

CCO (29 points)

Classics (18 points)

COCI (124 points)

Data Structure Tests (10 points)

DMOPC (346.800 points)

DWITE (70 points)

ECOO (30.600 points)

FHC (10 points)

GFSSOC (48 points)

IOI (11 points)

JOI (3 points)

Mock CCC (22 points)

MWC (12.664 points)

SAC Coding Challenge (17 points)

Seasonal (103 points)

TLE (10 points)

TSOC (12.600 points)

Uncategorized (521.500 points)

VM7WC (54 points)

Woburn Challenge (46 points)

YAC (27 points)

Problem	Score
COCI '06 Contest 1 #4 Slikar	10 / 10
COCI '07 Contest 6 #3 Granica	10 / 10
COCI '09 Contest 6 #1 Kajak	5 / 5
COCI '10 Contest 5 #5 Dvoniz	12 / 12
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 3 #3 Silueta	12 / 12
COCI '15 Contest 7 #2 Prozor	7 / 7
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '22 Contest 2 #2 Ekspert	10 / 10
COI '06 #1 Patrik	12 / 12

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P4 - Sketchley Park	1.800 / 12
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 7 P5 - Aurora	10 / 10
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 3 P4 - Contagion	12 / 12
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 2 P3 - Bad Bunnies	10 / 10
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun	5 / 5
DMOPC '17 Contest 5 P2 - Mimi and Binary	5 / 5
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 1 P1 - Test Scores	5 / 5
DMOPC '19 Contest 1 P2 - Good Writing	7 / 7
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '22 Contest 5 P6 - Threes and Twos	20 / 20
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
DWITE '07 R2 #1 - Not Quite Prime	5 / 5
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '07 R3 #4 - The Convex Fence Company	10 / 10
DWITE '08 R2 #4 - Big shiny tunes	7 / 7
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '08 R4 #4 - Shortest path around v2	7 / 7
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '09 R7 #3 - Oil Spill Area	7 / 7
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5

Problem	Score
ECOO '12 R1 P4 - Boggled	5.600 / 7
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R1 P2 - L-Systems Go	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5

Problem	Score
GFSSOC '14 Winter J5 - Pursuit of Knowledge	10 / 10
GFSSOC '14 Winter S3 - Hide n Seek	6 / 12
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Winter J5 - Secret Santa	7 / 7

Problem	Score
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	2 / 5
Mock CCC '18 Contest 1 J3/S1 - A Math Problem	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7

Problem	Score
MWC '15 #2 P2: Towering Towers	6.364 / 10
MWC '15 #3 P3: Bad News	6.300 / 7

Problem	Score
SAC '22 Code Challenge 3 P3 - Bob Sort	5 / 5
SAC '22 Code Challenge 5 Junior P4 - Course Requirements	7 / 7
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5

Problem	Score
Back To School '16: Times Table	17 / 17
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	7 / 7
Halloween '14 P1 - Rabbit Girls	3 / 3
Halloween '14 P2 - Cat Girls	12 / 12
MEC '16 P3 - Getting Good at Programming	10 / 10
TLE 2018-19 P1 - Hello, World!	20 / 20
Is it a Tree?	7 / 7
WOSS Dual Olympiad 2022 Team Round P3: Bobby and the Sidewalk	10 / 10
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	5.600 / 7
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7

Problem	Score
Triple Fat Ladies	5 / 5
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 P5 - Hacking Grades	7 / 7
A Plus B	3 / 3
Attraction	10 / 10
Big Deposits	7 / 7
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P2 - Cheating	10 / 10
Casino Crisis	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	5 / 5
Dilhan's Computing Contest 1 P2 - Square Sum	12 / 12
Dilhan's Computing Contest 1 P4 - Increasing Sequence With Gap	3.400 / 17
Maximum Sum	7 / 7
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder C - Vacation	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder K - Stones	10 / 10
Exam Prep	7 / 7
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P3 - Cable TV	7 / 7
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
HHPC1 P2 - Yuniformity Challenge	10 / 10
Knapsack 3	10 / 10
Lil' Jami	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
MCIPC Contest 2 P2 - Icicles	3 / 3
MMM '14 A - Distinct Prime Factors	7 / 7
Modulo Sort	5 / 5
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 10
OTHS Coding Competition 2 P1 - Chess Pieces	3 / 3
OTHS Coding Competition 2 P2 - Ghoul Investigators	3 / 3
OTHS Coding Competition 2 P3 - Tally Clicker	5 / 5
OTHS Coding Competition 2 P4 - Magic Barrier	5 / 5
OTHS Coding Competition 2 P5 - Coffee Jelly	7 / 7
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 3 (Mock CCC) S4 - Magic Library	2 / 15
Path Finder	10 / 10
Postfix Notation	7 / 7
Prime Factorization	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Self-deception	15 / 15
RGPC '18 P3 - Chocolate Day	10 / 10
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Dynamic Range Minimum Test	12 / 12
Python Infinite Loop	7 / 7
Sleigh Ride	10 / 10
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
THICC '17 P1 - Carol's Carnivorous Plants	5 / 5
Threes	3 / 3
Tree Tasks	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
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
Valentine's Day '19 J3 - Love!	2.100 / 7
WOSS Dual Olympiad 2023 S2: Geese Attack	10 / 10

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VMSS '15 #5 - Jeffrey and Frank and a Lack of Roads	12 / 12
VM7WC '15 #4 Bronze - Melanie's Cradles	3 / 3
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
WC '02 P2 - Cow-bot	10 / 10
WC '15 Finals S2 - Hydration	10 / 10
WC '18 Contest 2 S2 - Plutonium	12 / 12
WC '18 Contest 3 J4 - Leveling Up	7 / 7
WC '95 P1 - Coded Message	7 / 7

Problem	Score
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
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