User JustinW2513

Points breakdown

210 / 210

AC | PYPY3

Next Prime (Hard)

on March 31, 2024, 5:31 p.m.

15pp

weighted 100% (15pp)

10 / 10

AC | PY3

COCI '15 Contest 5 #4 Poplava

on July 19, 2025, 5:41 a.m.

12pp

weighted 95% (11pp)

100 / 100

AC | PY3

GFSSOC '15 Fall J5 - Nightmare-a-thon

on Aug. 16, 2025, 3:40 a.m.

10pp

weighted 90% (9.0pp)

100 / 100

AC | PY3

DMPG '18 G1 - Musical Chairs

on Aug. 1, 2025, 10:20 p.m.

10pp

weighted 86% (8.6pp)

100 / 100

AC | JAVA

Back To School '17: Wet Mud

on July 31, 2025, 1:47 a.m.

10pp

weighted 81% (8.1pp)

10 / 10

AC | PY3

COCI '13 Contest 5 #3 Eksplozjia

on July 29, 2025, 4:15 a.m.

10pp

weighted 77% (7.7pp)

30 / 30

AC | PY3

CCC '15 S3 - Gates

on July 26, 2025, 7:42 a.m.

10pp

weighted 74% (7.4pp)

15 / 15

AC | PY3

Mock CCC '15 J5 - Royal Guard

on July 26, 2025, 6:28 a.m.

10pp

weighted 70% (7.0pp)

100 / 100

AC | Clang

RGPC '18 P3 - Chocolate Day

on Sept. 24, 2024, 3:48 p.m.

10pp

weighted 66% (6.6pp)

100 / 100

AC | PY3

COCI '07 Contest 6 #3 Granica

on June 15, 2024, 5:59 a.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3

Problem	Score
Another Contest 5 Problem 3 - Cutting Cheese Costs	5 / 5
Another Contest 7 Problem 1 - Lonely Users	3 / 3

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 J1 - Trident	3 / 3
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S2 - Poetry	5 / 5
CCC '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 S2 - TopYodeller	5 / 5
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '05 S1 - Snow Calls	5 / 5
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J2 - Roll the Dice	3 / 3
CCC '06 J3 - Cell-Phone Messaging	3 / 3
CCC '06 S1 - Maternity	5 / 5
CCC '06 S2 - Attack of the CipherTexts	0.100 / 5
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J2 - I Speak TXTMSG	3 / 3
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 S2 - Boxes	5 / 5
CCC '08 J1 - Body Mass Index	3 / 3
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 J3 - GPS Text Entry	3 / 3
CCC '08 J4 - From Prefix to Postfix	7 / 7
CCC '09 J1 - ISBN	3 / 3
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '09 J3 - Good Times	5 / 5
CCC '09 S1 - Cool Numbers	5 / 5
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J2 - Up and Down	5 / 5
CCC '10 J3 - Punchy	5 / 5
CCC '10 J4 - Global Warming	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J2 - Who Has Seen The Wind	5 / 5
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '11 J5 - Unfriend	7 / 7
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 '12 J2 - Sounds fishy!	3 / 3
CCC '12 J3 - Icon Scaling	3 / 3
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '13 J1 - Next in line	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 J4 - Time on task	5 / 5
CCC '13 S1 - From 1987 to 2013	5 / 5
CCC '13 S2 - Bridge Transport	5 / 5
CCC '13 S4 - Who is Taller?	2.300 / 7
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '14 S2 - Assigning Partners	5 / 5
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	5 / 5
CCC '15 J4 - Wait Time	5 / 5
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
CCC '15 S3 - Gates	10 / 10
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
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 '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 '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 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
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 J1 - Dog Treats	3 / 3
CCC '20 J2 - Epidemiology	3 / 3
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
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 '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 '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J2 - Chili Peppers	3 / 3
CCC '23 J3 - Special Event	5 / 5
CCC '23 J5 - CCC Word Hunt	10 / 10
CCC '23 S1 - Trianglane	5 / 5
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 '25 J1 - Roller Coaster Ride	3 / 3
CCC '25 J2 - Donut Shop	3 / 3
CCC '25 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	5 / 5
CCC '25 J5 - Connecting Territories	6.067 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '96 S4 - When in Rome	10 / 10
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '99 S1 - Card Game	5 / 5
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J2 - What is the minimum area?	5 / 5
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 J4 - Where to build my house?	5 / 5

Problem	Score
NOIP '07 P1 - Counting Numbers	3 / 3
NOIP '18 P1 - Paving Roads	7 / 7

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Unique Elements	3 / 3

User JustinW2513

Points breakdown

AAC (9 points)

ACC (8 points)

CCC (605.467 points)

China NOI (10 points)

Classics (26 points)

COCI (87.364 points)

Data Structure Tests (8.200 points)

DMOPC (177 points)

DWITE (30 points)

ECOO (27 points)

EGOI (7 points)

FHC (10 points)

GFSSOC (17 points)

Google Code Jam (5 points)

ICPC (13 points)

Mock CCC (124 points)

MWC (3 points)

SAC Coding Challenge (54 points)

Seasonal (51 points)

TLE (14.600 points)

Uncategorized (323.030 points)

Woburn Challenge (19 points)

YAC (5 points)

Problem	Score
COCI '07 Contest 2 #3 Prva	7 / 7
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 6 #3 Granica	10 / 10
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '09 Contest 4 #1 Autori	3 / 3
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #1 Mobitel	5 / 5
COCI '14 Contest 5 #3 Traktor	6.364 / 7
COCI '15 Contest 5 #4 Poplava	12 / 12
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7

Problem	Score
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 7 P3 - Globally Unique Shells	5 / 5
DMOPC '15 Contest 1 P1 - Itami and Manga	3 / 3
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 7 P1 - Kemonomimi Competition	7 / 7
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun	5 / 5
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '19 Contest 1 P1 - Test Scores	5 / 5
DMOPC '19 Contest 1 P2 - Good Writing	7 / 7
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
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 '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 6 P1 - Bigger Big Integer	3 / 3
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R2 #1 - Not Quite Prime	5 / 5
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '08 R4 #2 - Tic Tac Win	5 / 5
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

Problem	Score
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5

Problem	Score
GFSSOC '15 Fall J4 - Marathon	7 / 7
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10

Problem	Score
ACM U of T Tryouts C0 A - Max Flow	3 / 3
ICPC NAQ 2016 A - A New Alphabet	3 / 3
ICPC PACNW 2016 C - Cameras	7 / 7

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J2 - Biking and Hiking	3 / 3
Mock CCC '22 Contest 1 J3 - String Crossing Maximization	7 / 7
Mock CCC '22 Contest 1 J4 - Snowball Fight	5 / 5
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
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 '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	1 / 5
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '15 J5 - Royal Guard	10 / 10
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 2 J2 - A Software Engineering Task	3 / 3
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '18 Contest 3 J1 - A Sum Problem	3 / 3
Mock CCC '18 Contest 3 J2 - A Palindrome Problem	3 / 3
Mock CCC '18 Contest 3 J3/S1 - A String Problem	5 / 5
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 1 J2 - Pusheen OCR	3 / 3
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	3 / 3
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
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
SAC '21 Code Challenge P1 - Shrinkage	3 / 3
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P2 - Normal Lines	3 / 3
SAC '22 Code Challenge 3 Junior P3 - Normal Probabilities	3 / 3
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions	5 / 5
SAC '22 Code Challenge 3 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P3 - Bob Sort	5 / 5
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem	3 / 3
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem	5 / 5
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3
SAC '22 Code Challenge 4 P2 - Obligatory String Problem	5 / 5
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '17: Wet Mud	10 / 10
Back To School '18: Letter Frequency	7 / 7
CCCJQR P2	3 / 3
CCCJQR P3	7 / 7
Miracle Sort	3 / 3
Too Simple	7 / 7
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) J1 - Paper Printing	1.600 / 3
TLE '16 Contest 6 (Mock CCC) J2 - Carol's Flowers	3 / 3
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353	3 / 3
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling	3 / 3
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office?	3 / 3
Another Sorting	5 / 5
A Plus B	3 / 3
Art Academy 0: Prologue	3 / 3
A Times B	0.700 / 20
Palindromic Integer Partition	1.500 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Lexicographically Least Substring	5 / 5
String Finding	5 / 5
Binary	5 / 5
A Block Game	3 / 3
Boolean	3 / 3
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
BSSPC '22 P1 - Bubble Tea Tracker	3 / 3
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
3n+1	3 / 3
Capture The Flag	5 / 5
Fibonacci Sequence	1.500 / 15
PEG Test '11 - Cyclopian Puzzle	10 / 10
GlobeX Cup '18 S1 - Code Copiers	5 / 5
Hello, World!	3 / 3
Word Scrambler	5 / 5
Count The Triplets	7 / 7
Largest Permutation	7 / 7
Lil' Jami	5 / 5
MCIPC Contest 2 P2 - Icicles	3 / 3
Modulo Sort	5 / 5
OCC '19 S2 - Rimuru's Number Game	5 / 5
OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance	3 / 3
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
Postfix Notation	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
Primes 2	3.750 / 15
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P4 - Character Analysis	5 / 5
VMSS Pre-Windsor P5 - Math Depression	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
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
Python Infinite Loop	7 / 7
Bubble Sort	7 / 7
Sudoku Challenge	6.580 / 7
THICC '17 P1 - Carol's Carnivorous Plants	5 / 5
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UCC Coding Competition '21 P3 - Long Pizza	2 / 5
UHCC1 P1 - PONG!	3 / 3
UHCC1 P2 - String	5 / 5
Intertwined Strings	7 / 7
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
VPEX P0 - Pizza	3 / 3

Problem	Score
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 3 J4 - Leveling Up	7 / 7
WC '18 Finals J2 - Script Doctor	5 / 5