User Moana

Points breakdown

100 / 100

AC | C++11

NOI '10 P6 - Happily Growing

on Aug. 30, 2021, 1:33 a.m.

50pp

weighted 100% (50pp)

370 / 370

AC | C++11

CCO '08 P6 - Landing

on March 31, 2021, 4:26 p.m.

45pp

weighted 95% (43pp)

97 / 100

AC | PYPY2

Phantom's Python Challenge

on May 25, 2020, 3:31 a.m.

39pp

weighted 90% (35pp)

82 / 100

AC | C++14

JOI '21 Spring Camp Day 1 P1 - Aerobatics

on Aug. 17, 2025, 12:07 a.m.

37pp

weighted 86% (31pp)

240 / 240

AC | C++14

Bubble Cup V9 A Cowboy Beblop at his computer

on Nov. 14, 2022, 7:19 a.m.

35pp

weighted 81% (29pp)

100 / 100

AC | PYPY3

NOI '07 P5 - Counting Spanning Trees

on Sept. 10, 2025, 11:56 p.m.

30pp

weighted 77% (23pp)

100 / 100

AC | PYPY3

Baltic OI '16 P3 - Spiral

on Oct. 9, 2022, 2:58 a.m.

30pp

weighted 74% (22pp)

100 / 100

AC | PYPY3

JOI '19 Open P2 - Remittance

on July 30, 2022, 5:26 p.m.

30pp

weighted 70% (21pp)

100 / 100

AC | C++11

Balkan OI '11 P1 - Two Circles

on May 28, 2021, 7:57 p.m.

30pp

weighted 66% (20pp)

100 / 100

AC | C++11

CCO Preparation Test 3 P3 - Arrow

on Jan. 30, 2021, 8:55 p.m.

30pp

weighted 63% (19pp)

Problem	Score
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 2 P5 - Koala Carnival	0.800 / 15
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 3 P3 - Monkey Market	7 / 7

Problem	Score
Another Contest 3 Problem 2 - Camelot	15 / 15
Another Contest 5 Problem 3 - Cutting Cheese Costs	5 / 5
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 7 Problem 2 - Code Review	7 / 7
Another Contest 8 Problem 1 - Trash Push	3 / 3
Another Contest 8 Problem 2 - Unnecessary Trash Push	3 / 3
Another Contest 8 Problem 3 - Replay Double Ignition	10 / 10
Another Contest 8 Problem 5 - U-Turn Finesse	15 / 15

Problem	Score
Baltic OI '03 P1 - Barrel	10 / 10
Baltic OI '04 P5 - Rectangles	10 / 10
Baltic OI '07 P5 - Connected Points	15 / 15
Baltic OI '11 P7 - Polygon	17 / 17
Baltic OI '16 P3 - Spiral	30 / 30

Problem	Score
BlueBook - Times Tables	3 / 3
BlueBook - Powers of 2	3 / 3
BlueBook - Min	3 / 3

Problem	Score
Bubble Cup V8 A Fibonotci	25 / 25
Bubble Cup V9 A Cowboy Beblop at his computer	35 / 35

User Moana

Points breakdown

AAC (45.800 points)

ACC (61 points)

Balkan OI (30 points)

Baltic OI (82 points)

BlueBook (9 points)

Bubble Cup (60 points)

Bulgarian OI (30 points)

CCC (283.700 points)

CCO (142 points)

China NOI (206.790 points)

Classics (29.370 points)

COCI (68 points)

CTF (6 points)

Data Structure Tests (27 points)

DMOPC (317.100 points)

ECOO (17 points)

GFSSOC (7 points)

ICPC (35 points)

JOI (66.675 points)

Mock CCC (19.100 points)

Mock CCO (77 points)

MWC (10 points)

Seasonal (121 points)

SIUCF (15 points)

TLE (59 points)

Uncategorized (879.880 points)

VM7WC (10 points)

WAC (65.800 points)

Woburn Challenge (12 points)

Problem	Score
CCC '00 J1 - Calendar	5 / 5
CCC '00 J2 - 9966	3 / 3
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '00 S5 - Sheep and Coyotes	10 / 10
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S2 - Spirals	5 / 5
CCC '01 S2 - Spirals (Exact Version)	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S2 - Fraction Action	5 / 5
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '04 J1 - Squares	3 / 3
CCC '04 S1 - Fix	5 / 5
CCC '05 S2 - Mouse Move	5 / 5
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J2 - I Speak TXTMSG	3 / 3
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '09 S1 - Cool Numbers	5 / 5
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J2 - Who Has Seen The Wind	5 / 5
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 '12 J1 - Speed fines are not fine!	3 / 3
CCC '13 J1 - Next in line	3 / 3
CCC '13 J4 - Time on task	5 / 5
CCC '13 S1 - From 1987 to 2013	5 / 5
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 S3 - Gates	10 / 10
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 S5 - Circle of Life	20 / 20
CCC '18 J5 - Choose your own path	7 / 7
CCC '19 S1 - Flipper	3 / 3
CCC '19 S3 - Arithmetic Square	12 / 12
CCC '21 S3 - Lunch Concert	10 / 10
CCC '96 S5 - Maximum Distance	0.700 / 7
CCC '98 S1 - Censor	5 / 5
CCOQR '16 - Stupendous Bowties	10 / 10

Problem	Score
CCO '03 P1 - BFed	10 / 10
CCO '06 P2 - R & J	10 / 10
CCO '06 P4 - CN Tower 2	18 / 30
CCO '07 P1 - Cows	10 / 10
CCO '07 P2 - Snowflakes	10 / 10
CCO '08 P6 - Landing	45 / 45
CCO '09 P1 - Invasion of the Boxes	20 / 20
CCO '16 P2 - Splitting Hares	9 / 15
CCO '20 P1 - A Game with Grundy	10 / 10

Problem	Score
NOI '05 P3 - Wisdom Beads Game	25 / 25
NOI '05 P6 - Lemon Tree Under the Moon	30 / 30
NOI '07 P5 - Counting Spanning Trees	30 / 30
NOI '09 P6 - Tracing	20 / 20
NOI '10 P6 - Happily Growing	50 / 50
NOI '12 P1 - Random Number Generator	15 / 15
NOI '13 P4 - Matrix Game	20 / 20
NOIP '18 P1 - Paving Roads	6.790 / 7
NOIP '21 P1 - Saying Numbers	10 / 10

Problem	Score
Sorting	3 / 3
Next Prime (Hard)	15 / 15
Fast Matrix Multiplication	1.370 / 20
Quine	10 / 10

Problem	Score
COCI '07 Contest 1 #1 Cetvrta	5 / 5
COCI '07 Contest 2 #5 Kemija	15 / 15
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '08 Contest 4 #5 Trezor	25 / 25
COCI '13 Contest 3 #1 Riječi	5 / 5
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '20 Contest 2 #2 Odašiljači	10 / 10

Problem	Score
DMOJ Capture The Flag '20 G1 - Sanity Check	3 / 3
DMOJ Capture The Flag '20 G2 - Where's the flag?	3 / 3

Problem	Score
DMOPC '13 Contest 1 P5 - Math on Titan	15 / 15
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P6 - Selective Cutting	12 / 12
DMOPC '15 Contest 1 P6 - Lelei and Contest	10.200 / 17
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P4 - Molly and Manga Shopping	15 / 15
DMOPC '17 Contest 2 P0 - Secrets	3 / 3
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P3 - Captivating Construction Challenge	12 / 12
DMOPC '19 Contest 6 P0 - Trivial Math	3 / 3
DMOPC '19 Contest 6 P4 - Grade 12 Math	15 / 15
DMOPC '19 Contest 7 P4 - Bob and Continued Fractions	20 / 20
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '20 Contest 1 P4 - Victor Makes Bank	17 / 17
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5 / 5
DMOPC '20 Contest 2 P4 - Hungry Pigeons	1.500 / 15
DMOPC '20 Contest 2 P5 - Majority Subarrays	3.800 / 25
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks	7 / 7
DMOPC '20 Contest 3 P3 - A Ring of Buckets	5.600 / 12
DMOPC '20 Contest 3 P4 - Bob and Typography	2 / 15
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 5 P2 - On The Clock	7 / 7
DMOPC '20 Contest 5 P3 - Bottom Row	4.500 / 15
DMOPC '20 Contest 5 P4 - Slacking Off	1.500 / 15
DMOPC '20 Contest 5 P5 - Slacking Off Again	4 / 20
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 1 P5 - Perfect Cross	5 / 25
DMOPC '21 Contest 2 P1 - Bosses	7 / 7
DMOPC '21 Contest 5 P5 - Permutations & Primes	6 / 30
DMPG '15 B6 - Bad S'mores	10 / 10
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '17 S5 - Bit Matrix	15 / 15
DMPG '18 G5 - Triangles	15 / 15

Problem	Score
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO	5 / 5
Mock ECOO '14 P1 - Do You Want to Build a Snowman?	12 / 12

Problem	Score
ICPC PACNW 2016 E - Enclosure	30 / 30
UCRPC F21 A - Senseless Census	5 / 5

Problem	Score
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Riolku's Mock CCC S1 - Word Bot	3 / 3
Riolku's Mock CCC S2 - Keen Keener Sequence	7 / 7
Riolku's Mock CCC S3 - Mosey's Birthday	2.400 / 12
Riolku's Mock CCC S5 - Keen Keener Multiset	1.700 / 25

Problem	Score
CCO Preparation Test 2 P1 - Concatenation	17 / 17
CCO Preparation Test 2 P2 - Forest Area	20 / 25
CCO Preparation Test 3 P3 - Arrow	30 / 30
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10

Problem	Score
Back To School '18: Letter Frequency	7 / 7
Calendar Contest Problem 1 — Sexagenary Cycle	5 / 5
CCCJQR P3	7 / 7
CCCJQR P5	15 / 15
DS '19 Day 2 P3 Inaho C	7 / 35
Miracle Sort	3 / 3
MNYC '16: Abdoof	7 / 7
MNYC '17: Hurontario	10 / 10
Piggy	7 / 7
Sword Art Online Judge	7 / 7
Sword Art Online Judge 3	7 / 7
Triway Cup '18 Summer B - Beautiful Water Pearl	7 / 7
Triway Cup '19 Summer I - An Easy Problem	5 / 5
TLE 2018-19 P1 - Hello, World!	20 / 20
Too Simple	7 / 7

Problem	Score
Factorial Calculator	7 / 7
TLE '15 P4 - Olympiads Homework	12 / 12
TLE '15 P5 - Prefix Sum Array	15 / 15
TLE '17 Contest 4 P6 - Fax's Christmas Bash	25 / 25

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Rotations in 3 Dimensions	12 / 12
Mispelling	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
ACSL '09 Practice P7 - Cube	15 / 15
Adaptive Mechanized Calcium Chlorohypochlorite	25 / 25
Angie and Functions	20 / 20
A Plus B	3 / 3
APTX 4869	10 / 10
A Times B	20 / 20
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
String Finding	5 / 5
String Finding - Hacking	10 / 10
Boolean	3 / 3
BSSPC '21 S1 - Lakshy and Palindromic Rectangle	5 / 5
Carnival Game	7 / 7
Clique	15 / 15
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
CPC '21 Contest 1 P3 - AQT and Circles	10 / 10
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Matrix Determinant	15 / 15
Please Help Me	15 / 15
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	20 / 20
Factors	7 / 7
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
Hardcore Grinding	5 / 5
HCI '16 - Unexpected Factorial	5 / 5
Hello, World!	3 / 3
Word Scrambler	5 / 5
Inaho IX	20 / 20
K-Dimensional Grids	15 / 15
Lemon	10 / 10
Linked List	12 / 20
Love Evenness	5 / 5
Guess the Sequence	3 / 3
MALD Contest 1 P6 - Scratch Cat and Painting	17 / 17
A Math Contest P1 - Arrays	5 / 5
A Math Contest P12 - Triangles	17 / 17
A Math Contest P15 - Matrix Fixed Point	20 / 20
A Math Contest P6 - Global Maximum	10 / 10
Mohan's Physics Problem	7 / 7
Olympic Scoring	3 / 3
Mailing Origami	20 / 20
Path Finder	10 / 10
Prefix Digits	7 / 7
The Third Cellar	10 / 10
The Torture Chamber	15 / 15
Phantom's Python Challenge	38.680 / 40
PIB '20 P2 - 2 + 2 = 5	5 / 5
PIB '20 P5 - 4D Matrices	10 / 10
Postfix Notation	7 / 7
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P2 - Get Off My Lawn	3 / 3
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Raytracing	10 / 10
James' Rectangles	10 / 10
Better Censor	7 / 7
Root Solver	30 / 30
Rubik's Cube Solver	20 / 50
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Python Infinite Loop	7 / 7
Special Relativity	10 / 10
Strategic Arrays	15 / 15
A Subarray Problem	7 / 7
System Solver	15 / 15
TSS Club Fair 2017 Problem B	7 / 7
UTS Open '15 #3 - Pogo	25 / 25
UTS Open '15 #6 - Tetrahedra	25 / 25
UTS Open '15 #6 - Tetrahedra (Volume)	25 / 25
UTS Open '21 P1 - COVID Party	5 / 5
UTS Open '21 P2 - Prime Array	10 / 10
UTS Open '21 P3 - Latin Class	1.500 / 10
UTS Open '21 P5 - State Taxes	1.700 / 17
Valentine's Day '19 J1 - Rainbow Rating	3 / 3

Problem	Score
Wesley's Anger Contest 2 Problem 4 - The Ninth Triangle of the Underworld	20 / 20
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns	5 / 5
Wesley's Anger Contest 5 Problem 2 - MATH 137 at Squirreloo	7 / 7
Wesley's Anger Contest 5 Problem 3 - Super Squirrel Sisters	12 / 12
Wesley's Anger Contest 6 Problem 1 - Timbit Sales	3 / 3
Wesley's Anger Contest 6 Problem 2 - Cheap Christmas Lights	5 / 5
Wesley's Anger Contest 6 Problem 3 - Difference Sorting	1.800 / 10
Wesley's Anger Contest 6 Problem 4 - Runway Lights	12 / 12

Problem	Score
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '18 Contest 1 S2 - Essay Generator	7 / 7