User c

Points breakdown

100 / 100

AC | C++17

IOI '09 P1 - Archery

on Aug. 2, 2021, 11:00 p.m.

45pp

weighted 100% (45pp)

100 / 100

AC | JAVA8

ECOO '21 P6 - Problematic Pathways

on May 2, 2021, 7:09 p.m.

30pp

weighted 95% (29pp)

100 / 100

AC | C++17

Wesley's Anger Contest 6 Problem 7 - SantaTracker++

on Jan. 11, 2021, 4:18 a.m.

25pp

weighted 90% (23pp)

6 / 6

AC | V8JS

CERC '00 H - Hotline

on March 13, 2019, 6:09 p.m.

25pp

weighted 86% (21pp)

100 / 100

AC | C++17

Grid 3

on May 1, 2020, 4:19 a.m.

20pp

weighted 81% (16pp)

15 / 15

AC | C++17

Mock CCC '20 S4 - Valentine's Day Shopping

on Feb. 29, 2020, 7:47 p.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++17

DMPG '17 G4 - Timeline

on Nov. 3, 2019, 6:18 p.m.

20pp

weighted 74% (15pp)

50 / 50

AC | PY2

Decoding

on June 2, 2019, 4:21 p.m.

20pp

weighted 70% (14pp)

15 / 15

AC | C++17

CCC '25 S5 - To-Do List

on Feb. 27, 2025, 7:52 a.m.

17pp

weighted 66% (11pp)

100 / 100

AC | C++17

ECOO '21 P5 - Waldwick's Walk

on May 2, 2021, 7:08 p.m.

17pp

weighted 63% (11pp)

Problem	Category	Points
Data Compression	Uncategorized	15p
Please Help Me	Uncategorized	15
DMOPC '19 Contest 4 P0 - Yikes	DMOPC	3p
ECOO '21 P1 - Many Messages	ECOO	3p
ECOO '21 P3 - Quintessential Questions	ECOO	3p
Emoji Search	Uncategorized	5
Angie and Functions (Hard)	Uncategorized	30
GlobeX Cup '19 J3 - Codex	Uncategorized	5p
Grid 3	Uncategorized	20
JSB '19 - P2	CTF	7
JSB '19 - P3	CTF	7
JSB '19 - P5	CTF	15
Valentine's Day '19 J2 - Pink!	Uncategorized	3p
Valentine's Day '19 S1 - Voting	Uncategorized	5p

Problem	Score
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '00 S5 - Sheep and Coyotes	5 / 10
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S3 - Strategic Bombing	4.200 / 7
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S3 - Blindfold	10 / 15
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S2 - Poetry	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	7.500 / 15
CCC '04 J4 - Simple Encryption	5 / 5
CCC '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	2 / 5
CCC '04 S3 - Spreadsheet	8 / 10
CCC '05 J5 - Bananas	10 / 10
CCC '05 S1 - Snow Calls	5 / 5
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 '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 S2 - Boxes	5 / 5
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J4 - From Prefix to Postfix	7 / 7
CCC '08 S1 - It's Cold Here!	3.300 / 5
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '09 S1 - Cool Numbers	2 / 5
CCC '09 S2 - Lights Going On and Off	10 / 10
CCC '09 S3 - Degrees Of Separation	5 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '10 J4 - Global Warming	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	4.500 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
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 J2 - Sounds fishy!	3 / 3
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '12 S2 - Aromatic Numbers	5 / 5
CCC '13 J1 - Next in line	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 S3 - Chances of Winning	10 / 10
CCC '15 J5 - π-day	8.667 / 10
CCC '16 J4 - Arrival Time	5 / 5
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 J5 - Choose your own path	7 / 7
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 J5 - Rule of Three	10 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S4 - Tourism	10 / 20
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S3 - Searching for Strings	12 / 12
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
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	5.600 / 12
CCC '21 S5 - Math Homework	2.812 / 15
CCC '22 S2 - Good Groups	2.667 / 5
CCC '24 S3 - Swipe	1.333 / 10
CCC '25 S3 - Pretty Pens	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J2 - What is the minimum area?	5 / 5
CCCHK '15 J5 - No friends in the same group.	3 / 15

Problem	Score
CCO '03 P5 - Longest Substring	7 / 7
CCO '10 P3 - Wowow	15 / 15
CCO '11 P2 - Vampire Tunnels	14 / 15
CCO '11 P3 - Spies Like Us	7.778 / 10
CCO '18 P4 - Gradient Descent	6 / 15
CCO '96 P1 - Train Swapping	5 / 5
CCO '96 P5 - All Roads Lead Where?	7 / 7
CCO '98 P1 - Fibonacci Numbers	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 3 #1 Patuljci	5 / 5
COCI '06 Contest 3 #2 N-puzzle	5 / 5
COCI '06 Contest 6 #1 Prase	5 / 5
COCI '06 Contest 6 #3 Maraton	5 / 5
COCI '07 Contest 2 #3 Prva	7 / 7
COCI '07 Contest 3 #3 Tajna	5 / 5
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 6 #2 Semafori	7 / 7
COCI '07 Contest 6 #3 Granica	10 / 10
COCI '08 Contest 1 #1 Skocimis	5 / 5
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 3 #1 Pet	5 / 5
COCI '08 Contest 6 #1 Buka	5 / 5
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '14 Contest 3 #2 Dom	7 / 7
COCI '14 Contest 4 #1 Cesta	5 / 5
COCI '14 Contest 5 #1 Funghi	3 / 3
COCI '15 Contest 2 #1 Marko	5 / 5
COCI '15 Contest 4 #4 Chewbacca	10.909 / 12
COCI '15 Contest 5 #5 OOP	8 / 20
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '17 Contest 2 #2 ZigZag	5 / 5
COCI '21 Contest 3 #5 Kućice	9.091 / 25

User c

Points breakdown

Authored problems (14)

CCC (501.179 points)

CCO (68.778 points)

Classics (67 points)

COCI (142 points)

CTF (29 points)

DMOPC (286.500 points)

DWITE (50 points)

ECOO (81.800 points)

FHC (20 points)

GFSSOC (32 points)

ICPC (47 points)

IOI (50.250 points)

Mock CCC (104.266 points)

Mock CCO (25.500 points)

MWC (19.100 points)

Olympiads School (14 points)

Seasonal (92 points)

TLE (29.500 points)

TSOC (7 points)

Uncategorized (420.847 points)

VM7WC (44 points)

WAC (28 points)

Woburn Challenge (14.154 points)

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P1 - Sharing is Caring	5 / 5
DMOPC '13 Contest 3 P2 - Phone Microwave	7 / 7
DMOPC '13 Contest 3 P3 - Crossing Field	5.600 / 7
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 4 P4 - Sketchley Park	12 / 12
DMOPC '14 Contest 5 P3 - Brotherly Sequence	5 / 5
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 3 P3 - Dimethylbenzene	7 / 7
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '16 Contest 2 P6 - Console Simulator 2017	12 / 12
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '17 Contest 4 P2 - A Heavy Light Decomposition Problem	7 / 7
DMOPC '17 Contest 5 P2 - Mimi and Binary	5 / 5
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P1 - DNA or RNA?	3 / 3
DMOPC '19 Contest 4 P0 - Yikes	3 / 3
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 7 P3 - Tree Pruning	3 / 12
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 B2 - Yoda	3 / 3
DMPG '17 B6 - Multiply and Surrender	0.700 / 7
DMPG '17 G2 - Holy Grail War	5.900 / 17
DMPG '17 G4 - Timeline	20 / 20
DMPG '17 S1 - Molly and Difference	5 / 5
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '18 B1 - Pizza Orders	3 / 3
DMPG '18 B2 - Mimi and Modulus	3 / 3
DMPG '18 B3 - Shimpossible	6.300 / 7
DMPG '18 B5 - Mimi and Substrings	7 / 7
DMPG '18 S6 - Mimi and Carrots	17 / 17
DMPG '19 B3 - Contact	3 / 3
DMPG '19 B4 - Braille	5 / 5
DMPG '19 B5 - Triangles	10 / 10

Problem	Score
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R4 #2 - And the winner is...	5 / 5
DWITE '07 R5 #2 - Number of factors	5 / 5
DWITE '08 R2 #2 - My favourite digit	3 / 3
DWITE '09 R1 #2 - Word Scrambler	5 / 5
DWITE '09 R1 #3 - That Missing Number	5 / 5
DWITE '09 R2 #4 - Breadth First Not Quite Tree	5 / 5
DWITE '09 R7 #2 - Sum of Primes	5 / 5
DWITE '10 R3 #4 - Forest Fires	7 / 7
DWITE '11 R1 #2 - Penny Game	5 / 5

Problem	Score
ECOO '07 R3 P1 - Sum of Primes	7 / 7
ECOO '13 R1 P2 - The Luhn Algorithm	5 / 5
ECOO '16 R1 P3 - Railway Sort	1.100 / 7
ECOO '17 R3 P2 - Family Trees	0.700 / 7
ECOO '19 R2 P1 - Email	5 / 5
ECOO '21 P1 - Many Messages	3 / 3
ECOO '21 P2 - DNA Derren	3 / 3
ECOO '21 P3 - Quintessential Questions	3 / 3
ECOO '21 P4 - Chris' Candy	7 / 7
ECOO '21 P5 - Waldwick's Walk	17 / 17
ECOO '21 P6 - Problematic Pathways	30 / 30

Problem	Score
Facebook Hacker Cup '15 Round 1 P1 - Homework	10 / 10
Facebook Hacker Cup '15 Round 1 P2 - Autocomplete	10 / 10

Problem	Score
GFSSOC '14 Winter J5 - Pursuit of Knowledge	10 / 10
GFSSOC '14 Winter S3 - Hide n Seek	12 / 12
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10

Problem	Score
CERC '00 H - Hotline	25 / 25
ICPC PACNW 2016 C - Cameras	7 / 7
ICPC PACNW 2016 L - Windy Path	15 / 15

Problem	Score
IOI '01 P1 - Mobile Phones	5.250 / 15
IOI '09 P1 - Archery	45 / 45

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '20 Contest 1 J2 - A Simplex Problem	3 / 3
Mock CCC '20 Contest 1 J3 - A Geometry Problem	3 / 3
Mock CCC '20 Contest 1 J4 - A Binary Problem	5 / 5
Mock CCC '20 S1 - War	3 / 3
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '20 S3 - SAM I Am	10 / 10
Mock CCC '20 S4 - Valentine's Day Shopping	20 / 20
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP	5 / 5
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	0.933 / 7
Mock CCC '18 Contest 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 3 S4 - A Graph Problem	10 / 10
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 1 S2 - Pusheen's Puzzle Present	5 / 5
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea	3 / 3
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea	3 / 3
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea	3 / 3
Mock CCC '19 Contest 2 J4 - Tudor Buys Some Cheesecake	3 / 3
Mock CCC '19 Contest 2 J5 - Tudor Drinks Even More Tea	3.333 / 10
Mock CCC '19 Contest 2 S1 - Tudor's Double Doors	3 / 3

Problem	Score
Mock CCO '19 Contest 2 Problem 3 - A Cactus Problem	10.500 / 15
Mock CCO '18 Contest 1 Problem 6 - A Combining Problem	15 / 15

Problem	Score
MWC '15 #1 P2: Postcard	3 / 3
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #2 P2: Towering Towers	9.100 / 10

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '16: Paradox	5 / 5
Back To School '16: Cherry Tree	12 / 12
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	7 / 7
CCCJQR P5	15 / 15
Miracle Sort	3 / 3
MNYC '17: Hurontario	4 / 10
Sword Art Online Judge 2	10 / 10
Triway Cup '18 Summer F - Forget Me Not	5 / 5
Too Simple	7 / 7
Is it a Tree?	7 / 7

Problem	Score
TLE '15 P1 - Power Rankings	5 / 5
TLE '16 Contest 4 P1 - Stack of Presents	5 / 5
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 1 P2 - Willson and Food	1.500 / 5
TLE '17 Contest 4 P2 - Microwave Buttons	5 / 5
TLE '17 Contest 7 P1 - Stargazing	3 / 3
TLE '17 Contest 8 P2 - Ship Defense	5 / 5

Problem	Score
Triple Fat Ladies	5 / 5
Appleby Contest '19 P5 - Matrix Operation	0.500 / 10
Sum of Primes 2	5 / 5
Another Sorting	5 / 5
A Plus B	3 / 3
APTX 4869	10 / 10
A Times B	7.900 / 20
Palindromic Integer Partition	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Lexicographically Least Substring	5 / 5
String Finding	5 / 5
Boolean	3 / 3
Boxlings	0.857 / 15
Coin Change	7 / 7
Champion Contest	7 / 7
CPC '19 Contest 1 P0 - Shoes	3 / 3
CPC '19 Contest 1 P1 - Distance	3 / 3
CPC '19 Contest 1 P2 - Luggage	7 / 7
Matrix Determinant	9.100 / 15
Please Help Me	15 / 15
Educational DP Contest AtCoder F - LCS	7 / 7
Emoji Search	5 / 5
Fast Factorial Calculator	7 / 7
Fast Bit Counting	3 / 3
GlobeX Cup '18 J4 - Magical Functions	7 / 7
GlobeX Cup '19 J3 - Codex	5 / 5
GlobeX Cup '19 S2 - Predicting Collisions	2.100 / 7
A Greedy Problem	5 / 5
Grid 3	20 / 20
Hardcore Grinding	5 / 5
Hailstone Numbers	3 / 3
Hello, World!	3 / 3
Word Scrambler	5 / 5
Count The Triplets	7 / 7
A Permutation Problem 2	12 / 12
Largest Permutation	7 / 7
Guess the Sequence	3 / 3
Miniature Sudoku	7 / 7
Multiplication Improvement	5 / 5
The Odd Number	7 / 7
One Small Favour	0.490 / 10
Another Small Favour	15 / 15
PIB '20 P1 - Marcus and Head Bonks	3 / 3
PIB '20 P2 - 2 + 2 = 5	5 / 5
PIB '20 P3 - Rulebreaker	7 / 7
Confirmation Bias	10 / 10
VMSS Pre-Pre-Windsor P6 - InterNAV	7 / 7
Prime Factorization	5 / 5
Primes 2	3.750 / 15
Primes 3	1.500 / 15
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Self-deception	15 / 15
Disclosure	10 / 10
Decoding	20 / 20
The Cosmic Era P3 - Battle Positions	7 / 7
Summing A Sequence	7 / 7
Python Infinite Loop	7 / 7
A Simple Game	7 / 7
Bubble Sort	7 / 7
TSS Club Fair 2017 Problem A	3 / 3
TSS Club Fair 2017 Problem B	7 / 7
UTS Open '15 #3 - Pogo	1.250 / 25
UTS Open '18 P3 - Restaurants	7 / 7
Valentine's Day '19 J1 - Rainbow Rating	3 / 3
Valentine's Day '19 J2 - Pink!	3 / 3
Valentine's Day '19 J3 - Love!	0.700 / 7
Valentine's Day '19 S1 - Voting	5 / 5
Valentine's Day '19 S2 - Ctudor's Cute Cacti	0.700 / 7

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
VM7WC '15 #1 Silver - Jung Goon	5 / 5
VM7WC '15 #3 Silver - Test Scores	5 / 5
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5
VM7WC '16 #4 Gold - Restoring Reputation	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7

Problem	Score
Wesley's Anger Contest 2 Problem 1 - OCT 31 = DEC 25?	3 / 3
Wesley's Anger Contest 6 Problem 7 - SantaTracker++	25 / 25

Problem	Score
WC '16 Contest 3 S2 - Training Regimen	12 / 12
WC '18 Contest 1 S1 - Inspiration	2.154 / 7