User Ethan_Duan

Points breakdown

15 / 15

AC | PY3

CCC '18 S5 - Maximum Strategic Savings

on June 4, 2023, 3:57 p.m.

20pp

weighted 100% (20pp)

15 / 15

AC | JAVA

CCC '03 S4 - Substrings

on Sept. 12, 2025, 8:38 p.m.

15pp

weighted 95% (14pp)

100 / 100

AC | PYPY3

CCC '10 S4 - Animal Farm

on July 26, 2023, 2:49 a.m.

15pp

weighted 90% (14pp)

100 / 100

AC | C++17

Segment Tree Test

on May 7, 2023, 3:56 p.m.

15pp

weighted 86% (13pp)

100 / 100

AC | PYPY3

Segment Tree Practice 1

on June 12, 2024, 4:04 a.m.

12pp

weighted 81% (9.8pp)

100 / 100

AC | PYPY3

Segment Tree Practice 2

on June 11, 2024, 3:43 a.m.

12pp

weighted 77% (9.3pp)

100 / 100

AC | PY3

Dynamic Range Minimum Test

on May 8, 2023, 3:24 a.m.

12pp

weighted 74% (8.8pp)

100 / 100

AC | PYPY3

Checkerboard Summation (Easy)

on Nov. 19, 2022, 4:37 a.m.

12pp

weighted 70% (8.4pp)

110 / 110

AC | PYPY3

MWC '15 #2 P2: Towering Towers

on July 9, 2024, 7:12 p.m.

10pp

weighted 66% (6.6pp)

100 / 100

AC | PY3

UACC 1 P4 - Converging Streams

on Feb. 6, 2024, 2:28 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 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 7 P1 - Squirrnect 4	3 / 3

Problem	Score
Another Contest 5 Problem 1 - Goat Fence	3 / 3
Another Contest 5 Problem 3 - Cutting Cheese Costs	5 / 5
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 8 Problem 1 - Trash Push	3 / 3

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Cost	3 / 3
BlueBook - Direction	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Power Base	3 / 3
BlueBook - Powers of 2	3 / 3
BlueBook - Exact Divisors	3 / 3
BlueBook - 10 Primes on a Line	5 / 5
BlueBook - Max	3 / 3
BlueBook - Mode	3 / 3
BlueBook - Magic Square	3 / 3
BlueBook - Triangle	3 / 3
BlueBook - Sieve	5 / 5
BlueBook - Min	3 / 3
BlueBook - First Blank	3 / 3
BlueBook - Digits	3 / 3
BlueBook - Prime	3 / 3
BlueBook - Leap Year	3 / 3
BlueBook - Multiple	3 / 3

Problem	Score
CCC '00 J1 - Calendar	5 / 5
CCC '00 J2 - 9966	3 / 3
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S4 - Golf	2.300 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 J1 - Trident	3 / 3
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	15 / 15
CCC '04 J1 - Squares	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 S1 - Fix	4 / 5
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 J5 - Bananas	10 / 10
CCC '05 S1 - Snow Calls	5 / 5
CCC '05 S2 - Mouse Move	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 J4 - It's tough being a teen!	7 / 7
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 J4 - Anagram Checker	5 / 5
CCC '07 S1 - Federal Voting Age	3 / 3
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 '08 S1 - It's Cold Here!	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '09 J1 - ISBN	3 / 3
CCC '09 J2 - Old Fishin' Hole	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 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '10 S4 - Animal Farm	15 / 15
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 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
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 S1 - Don't pass me the ball!	3 / 3
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 '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 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J3 - Hidden Palindrome	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 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 '18 S5 - Maximum Strategic Savings	20 / 20
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 '20 S2 - Escape Room	10 / 10
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
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 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 '23 S2 - Symmetric Mountains	7 / 7
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 J5 - Harvest Waterloo	7 / 7
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S2 - Heavy-Light Composition	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '15 J1 - Rock-paper-scissors	3 / 3

Problem	Score
CCO '06 P1 - CN Tower	5 / 5
CCO '96 P1 - Train Swapping	5 / 5
CCO '96 P5 - All Roads Lead Where?	7 / 7

User Ethan_Duan

Points breakdown

AAC (20 points)

ACC (14 points)

Baltic OI (5 points)

BlueBook (61 points)

CCC (587.400 points)

CCO (17 points)

China NOI (13 points)

Classics (11 points)

COCI (244 points)

CSPC (3 points)

CTF (3 points)

Data Structure Tests (15 points)

DMOPC (238.200 points)

DWITE (127 points)

ECOO (32 points)

GFSSOC (67.636 points)

Google Code Jam (1.250 points)

ICPC (38 points)

Mock CCC (120.600 points)

MWC (42 points)

SAC Coding Challenge (37 points)

Seasonal (72.250 points)

SIUCF (5 points)

TLE (42 points)

TSOC (18 points)

Uncategorized (566.107 points)

VM7WC (37 points)

WAC (6 points)

Waterloo Local (6 points)

Woburn Challenge (92 points)

Problem	Score
NOI '11 P4 - Road Construction	7 / 7
NOIP '07 P1 - Counting Numbers	3 / 3
NOIP '18 Junior P1 - Title Statistics	3 / 3

Problem	Score
COCI '06 Contest 1 #2 Herman	5 / 5
COCI '06 Contest 2 #1 R2	3 / 3
COCI '06 Contest 2 #2 ABC	3 / 3
COCI '06 Contest 3 #1 Patuljci	5 / 5
COCI '06 Contest 4 #3 Prsteni	5 / 5
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '07 Contest 1 #1 Cetvrta	5 / 5
COCI '07 Contest 2 #1 Bijele	3 / 3
COCI '07 Contest 2 #2 Crne	3 / 3
COCI '07 Contest 3 #1 Cetiri	3 / 3
COCI '07 Contest 3 #2 Oktalni	3 / 3
COCI '07 Contest 5 #1 Tri	3 / 3
COCI '08 Contest 1 #1 Skocimis	5 / 5
COCI '08 Contest 6 #1 Buka	5 / 5
COCI '08 Contest 6 #3 Nered	10 / 10
COCI '09 Contest 2 #1 Faktor	3 / 3
COCI '09 Contest 3 #1 Filip	3 / 3
COCI '09 Contest 3 #3 Sort	5 / 5
COCI '10 Contest 1 #1 Timsko	3 / 3
COCI '10 Contest 2 #1 Puž	3 / 3
COCI '10 Contest 3 #1 Tablica	3 / 3
COCI '10 Contest 3 #2 Zbroj	3 / 3
COCI '10 Contest 4 #1 Avion	3 / 3
COCI '10 Contest 5 #1 Gljive	3 / 3
COCI '10 Contest 6 #1 Okulpjanje	3 / 3
COCI '10 Contest 7 #2 Kolo	5 / 5
COCI '11 Contest 5 #1 Križaljka	3 / 3
COCI '12 Contest 1 #1 DOM	3 / 3
COCI '12 Contest 2 #1 Mortadela	3 / 3
COCI '12 Contest 3 #1 Sahovnica	3 / 3
COCI '12 Contest 4 #2 Esej	5 / 5
COCI '12 Contest 6 #1 Baka	3 / 3
COCI '13 Contest 2 #1 Volim	3 / 3
COCI '13 Contest 3 #1 Riječi	5 / 5
COCI '13 Contest 3 #2 Okvir	5 / 5
COCI '13 Contest 6 #1 Vjeko	3 / 3
COCI '14 Contest 1 #1 Prosjek	5 / 5
COCI '14 Contest 1 #2 Klopka	5 / 5
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '14 Contest 3 #1 Strojopis	5 / 5
COCI '14 Contest 4 #1 Cesta	5 / 5
COCI '14 Contest 6 #1 Paprika	3 / 3
COCI '15 Contest 1 #2 Akcija	5 / 5
COCI '15 Contest 3 #1 Pot	5 / 5
COCI '15 Contest 3 #2 Esej	5 / 5
COCI '15 Contest 4 #1 Yoda	5 / 5
COCI '15 Contest 5 #1 Zamka	3 / 3
COCI '15 Contest 7 #1 Nizovi	5 / 5
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '16 Contest 2 #1 Go	3 / 3
COCI '16 Contest 4 #1 Bridž	3 / 3
COCI '16 Contest 5 #1 Tuna	3 / 3
COCI '17 Contest 1 #1 Cezar	3 / 3
COCI '17 Contest 2 #1 Košnja	3 / 3
COCI '17 Contest 3 #1 Aron	3 / 3
COCI '18 Contest 1 #1 Nadan	3 / 3
COCI '18 Contest 4 #1 Elder	5 / 5
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '20 Contest 1 #1 Patkice	5 / 5
COCI '20 Contest 5 #1 Šifra	5 / 5
COCI '23 Contest 2 #2 Pingvin	7 / 7

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 2 P1 - Logging Log	3 / 3
DMOPC '14 Contest 2 P2 - Cutting Logs	5 / 5
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P1 - Not Enough Users!	3 / 3
DMOPC '14 Contest 3 P2 - Not Enough Rejudging!	5 / 5
DMOPC '14 Contest 3 P3 - Not Enough Personnel!	7 / 7
DMOPC '14 Contest 4 P1 - New Key	3 / 3
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P3 - Brotherly Sequence	4 / 5
DMOPC '14 Contest 6 P1 - Finding Bessarion	3 / 3
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '15 Contest 1 P1 - Itami and Manga	3 / 3
DMOPC '15 Contest 2 P1 - Grumpy Dwarf	3 / 3
DMOPC '15 Contest 2 P2 - Admin War	3 / 3
DMOPC '15 Contest 3 P1 - Quality Scenes	3 / 3
DMOPC '15 Contest 4 P1 - Dictionary	3 / 3
DMOPC '15 Contest 4 P2 - The Big Clock	2.500 / 5
DMOPC '15 Contest 5 P1 - Gel Bananas	1.500 / 3
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 1 P0 - C.C. and Cheese-kun	3 / 3
DMOPC '16 Contest 1 P1 - A New Chapter	3 / 3
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 2 P1 - Seed Strategy	3 / 3
DMOPC '16 Contest 3 P0 - Negative Feedback	3 / 3
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '17 Contest 2 P0 - Secrets	3 / 3
DMOPC '17 Contest 2 P1 - 0-1 Knapsack	3 / 3
DMOPC '17 Contest 2 P2 - Balance	5 / 5
DMOPC '17 Contest 3 P0 - 2-Satisfiability	3 / 3
DMOPC '17 Contest 4 P0 - Catch	3 / 3
DMOPC '17 Contest 5 P0 - Mimi and Pizza	3 / 3
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 2 P0 - Mimi and Video Games	3 / 3
DMOPC '18 Contest 2 P1 - Pumpkin Patches	3 / 3
DMOPC '18 Contest 6 P0 - SQL Queries	3 / 3
DMOPC '19 Contest 1 P0 - Range Finding	3 / 3
DMOPC '19 Contest 1 P1 - Test Scores	5 / 5
DMOPC '19 Contest 4 P0 - Yikes	3 / 3
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P0 - Concurrent Competitor Counting	3 / 3
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	0.500 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '21 Contest 6 P1 - Bigger Big Integer	3 / 3
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMPG '15 B1 - Loner Phoner	3 / 3
DMPG '16 B1 - BFS	3 / 3
DMPG '16 B2 - Reward Reminiscence	3 / 3
DMPG '16 S1 - Admin War II	5 / 5
DMPG '17 B1 - Whale and Soul	3 / 3
DMPG '17 B2 - Yoda	2.700 / 3
DMPG '18 B1 - Pizza Orders	3 / 3
DMPG '18 B2 - Mimi and Modulus	3 / 3
DMPG '19 B1 - Registration	3 / 3
DMPG '19 B3 - Contact	3 / 3
DMPG '19 B4 - Braille	5 / 5
DMPG '19 S1 - Candy Shop Tycoon	5 / 5

Problem	Score
DWITE '02 R2 #2 - The Five M's of Stats 101	5 / 5
DWITE '02 R2 #5 - Now I know my ABCs	5 / 5
DWITE '07 R1 #1 - Vanilla Primes	3 / 3
DWITE '07 R1 #3 - Where's my QWERTY?	3 / 3
DWITE '07 R2 #2 - Show Me The Money!	3 / 3
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '07 R5 #1 - I heart you	3 / 3
DWITE '08 R1 #2 - Simple Checksum	3 / 3
DWITE '08 R1 #3 - School's a maze	7 / 7
DWITE '08 R2 #2 - My favourite digit	3 / 3
DWITE '08 R3 #3 - Unicorns and Teaspoons	5 / 5
DWITE '08 R4 #2 - Tic Tac Win	5 / 5
DWITE '08 R5 #1 - Baby Diff	3 / 3
DWITE '09 R3 #1 - Quiz Time	3 / 3
DWITE '09 R6 #1 - ROT13 Encryption	3 / 3
DWITE '09 R6 #5 - Air Travel Planning	7 / 7
DWITE '10 R1 #1 - Age Gate	3 / 3
DWITE '10 R1 #2 - Robot Vacuum Prototype	3 / 3
DWITE '10 R1 #5 - Ricochet Robot	7 / 7
DWITE '10 R2 #1 - Pattern Matching	3 / 3
DWITE '10 R3 #4 - Forest Fires	7 / 7
DWITE '10 R4 #2 - Primal Numbers	5 / 5
DWITE '10 R4 #3 - Binary Weight	5 / 5
DWITE '11 R1 #1 - Arab-lish Numbers	5 / 5
DWITE '11 R1 #4 - C001 Numbers	3 / 3
DWITE '11 R3 #1 - Weighted Presents	3 / 3
DWITE '11 R3 #4 - ABCA Maze	7 / 7
DWITE '11 R5 #5 - Binary Weight	5 / 5
DWITE '12 R1 #2 - Candybar Graphs	5 / 5

Problem	Score
ECOO '12 R2 P2 - Password Strength	5 / 5
ECOO '13 R1 P3 - Hexudoku	7 / 7
ECOO '17 R1 P3 - Mountain View	7 / 7
ECOO '17 R3 P1 - Baker Brie	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
WCIPEG 2018 ECOO Qualifier P1 - Bincent's Billows	3 / 3

Problem	Score
GFSS Christmas Challenge P1 - Arithmetic Operators	3 / 3
GFSS Christmas Challenge P4 - Coal Counting	7 / 7
GFSSOC '17 J1 - Ramen and Studying	3 / 3
GFSSOC '17 J2 - Admission Average	3 / 3
GFSSOC '14 Winter J4 - Tic Tac Moe!	5 / 5
GFSSOC '14 Winter S2 - Speech	5 / 5
GFSSOC '15 Fall J3 - Equation Solver	5 / 5
GFSSOC '15 Fall S1 - T-Shirts	5 / 5
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Winter J2 - Purchasing Presents	3 / 3
GFSSOC '15 Winter J3 - Christmas Presents	4.500 / 5
GFSSOC '15 Winter J4 - Christmas Music	3.636 / 5
GFSSOC '15 Fall Practice P1 - Bruno and Trig	3 / 3
GFSSOC '15 Fall Practice P2 - Bruno and Tennis	2.500 / 5
GFSSOC '15 Fall Practice P3 - Bruno and Beads	5 / 5
GFSSOC '15 Fall Practice P4 - Bruno and Fibonacci	5 / 5

Problem	Score
ACM U of T Tryouts C2 A - The Super Mario Blues	5 / 5
ACM U of T Tryouts C3 A - A Research Project	3 / 3
ACM U of T Tryouts C3 B - A Careful Reply	3 / 3
Greater New York Regional 2012 - Mystery	5 / 5
ICPC NAQ 2015 F - Quick Brown Fox	5 / 5
ICPC NAQ 2016 A - A New Alphabet	3 / 3
ICPC NAQ 2016 J - Quick Estimates	3 / 3
ICPC SWERC 2017 F - Shattered Cake	3 / 3
UCRPC F21 A - Senseless Census	5 / 5
UCRPC F21 B - Lost in the Shuffle	3 / 3

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	2.800 / 3
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube	3 / 3
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 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	1 / 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	5 / 5
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	5 / 5
Mock CCC '14 J1 - Love Overdose	3 / 3
Mock CCC '15 J1 - 416	3 / 3
Mock CCC '15 J3 - Problem-setting Pandemonium	3 / 3
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	3 / 3
Mock CCC '18 Contest 1 J1 - A String Problem	3 / 3
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 '18 Contest 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 5 J1 - Looking for the CCC	3 / 3
Mock CCC '18 Contest 5 J2 - Smallest Mode	3 / 3
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort	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	1.200 / 3
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	0.600 / 3
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea	3 / 3
Valentine's Day '18 J1 - The Cactus Number	3 / 3
Valentine's Day '18 J2 - Stop the Scammer	5 / 5

Problem	Score
MWC '15 #1 P2: Postcard	3 / 3
MWC '15 #2 P1: Symmetry	3 / 3
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P1: Challenger Promos	5 / 5
MWC '15 #4 P4: Dealing with Knots	7 / 7
MWC '15 #6 P1: Regpo	3 / 3
MWC '15 #7 P1: Sequences	3 / 3
MWC '15 #7 P2: Thief in the Night	5 / 5
MWC '15 #8 P1: Push-up Contest	3 / 3

Problem	Score
SAC '21 Code Challenge P3 - DeMello's Replacement	5 / 5
SAC '21 Code Challenge P4 - Averaging Averages	5 / 5
SAC '22 Code Challenge 1 P1 - That Teacher	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 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 P1 - Querying Plants	3 / 3

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back To School '16: Harambe	3 / 3
Back To School '17: 🅱aram🅱e	3 / 3
Back To School '17: Avalon	5 / 5
Back To School '18: Harambe	3 / 3
Back To School '18: Letter Frequency	7 / 7
Back To School '19: H🅰️r🅰️mbe	3 / 3
CCCJQR P2	3 / 3
Max's Anger Contest Series 1 P1 - Hunger Bar	3 / 3
Max's Anger Contest Series 2 P1 - Directed Anger	3 / 3
Miracle Sort	3 / 3
MNYC '16: King Modulus	3 / 3
Triway Cup '19 Summer Junior P3 - Thor Goes for the Papaya	5 / 5
Too Simple	7 / 7
WOSS Dual Olympiad 2021 J2/S1: Secret Formula	3 / 3
WOSS Dual Olympiad 2022 J1: Holiday Gifting	3 / 3
WOSS Dual Olympiad 2022 J3/S1: Christmas List	5 / 5
New Year's '16 P1 - Late Christmas Shopping	2.250 / 3
New Year's '18 P2 - Mimi and Christmas Cake	5 / 5

Problem	Score
TLE '16 Contest 1 P1 - Buying Paper	3 / 3
TLE '16 Contest 1 P2 - Heavy-Light Decomposition	5 / 5
TLE '16 Contest 2 P1 - In Debt	3 / 3
TLE '16 Contest 2 P2 - Packing Microwaves	1 / 5
TLE '16 Contest 3 P1 - Hapax Legomenon	3 / 3
TLE '16 Contest 4 P1 - Stack of Presents	5 / 5
TLE '16 Contest 5 P1 - English Proficiency Exam	3 / 3
TLE '16 Contest 6 (Mock CCC) J1 - Paper Printing	3 / 3
TLE '16 Contest 8 P1 - Paper Hole Punching	3 / 3
TLE '16 Contest 8 P2 - Dank Meme	3 / 3
TLE '17 Contest 2 P2 - Unlucky Numbers	1 / 5
TLE '17 Contest 4 P1 - Riding the Curve	3 / 3
TLE '17 Contest 5 P1 - Guess the Number	3 / 3
TLE '17 Contest 7 P1 - Stargazing	3 / 3

Problem	Score
TSOC '15 Contest 2 #1 - The Code	5 / 5
TSOC '15 Contest 2 #2 - Diamonds	5 / 5
TSOC '16 Contest 1 #1 - Vasile and Haircuts	3 / 3
TSOC '16 Contest 1 #2 - Johnny and Garden	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A20 Gate	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
Alphabet Score	3 / 3
Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353	3 / 3
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	4 / 5
Troubling Times	5 / 5
A Noisy Class	7 / 7
A Plus B	3 / 3
PEG Test '14 - Water	3 / 3
Avocado Trees!	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	0.840 / 3
Bob's Rocks	5 / 5
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 J3 - Group Project	5 / 5
BPC 1 S1 - Homework Questions	5 / 5
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
BSSPC '21 J3 - Magic Paint Gun Cartridges	5 / 5
BSSPC '21 J5 - James and the Euclid Test	1.400 / 7
BSSPC '22 P1 - Bubble Tea Tracker	3 / 3
BSSPC '22 P4 - Exec Pieing	5 / 5
Checkerboard Summation (Easy)	12 / 12
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 2 P2 - Cereal Boxes	3 / 3
Cheerio Contest 2 P3 - Digits	0.667 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
Double Doors Regional P1 - Tudor Gets a Goat	3 / 3
German Nouns	5 / 5
More German Nouns	7 / 7
Discerning Discounts	3 / 3
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Diagnostic Test '16 Level 1 P1 - StarMath	3 / 3
Diagnostic Test '16 Level 1 P2 - FaxPrimes	5 / 5
Diagnostic Test '16 Level 2 P1 - Polan cannot into space	3 / 3
Diagnostic Test '16 Level 2 P3 - Remove Cancer	3 / 3
Emoji Search	5 / 5
Favorite Numbers	5 / 5
Firebending	3 / 3
Foxlings	2.500 / 10
PEG Test '11 - Cyclopian Air	3 / 3
PEG Test '11 - Cyclopian Suits	3 / 3
PEG Test '11 - Cyclopian Cash	3 / 3
Geography Class	1 / 5
GlobeX Cup '18 J Sample - Farming Simulator	5 / 5
GlobeX Cup '18 J1 - Rounding Errors	3 / 3
GlobeX Cup '18 J2 - Mark Gambling	5 / 5
GlobeX Cup '18 S1 - Code Copiers	5 / 5
GlobeX Cup '19 J1 - Chess Master Winnie	3 / 3
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P3 - Cable TV	7 / 7
Hailstone Numbers	3 / 3
HCI '16 - Lamppost	1 / 5
HCI '16 - Oversleep	7 / 7
HCI '16 - Sentence Checker	3 / 3
Hello, World!	3 / 3
Icebergs	3.600 / 12
Inaho V	3 / 3
Lil' Jami	5 / 5
LKP '18 Contest 1 P2 - Observing Frogs	5 / 5
LKP '18 Contest 2 P2 - Secret Signal	5 / 5
MALD Contest 1 P1 - Scratch Cat and DDoS	3 / 3
MCIPC Contest 1 P1 - Factoring	3 / 3
MCIPC Contest 1 P2 - Infinite Chessboard	3 / 3
MCIPC Contest 2 P3 - Snowy Streets	5 / 5
Multiplication Improvement	5 / 5
Modulo Sort	5 / 5
Olympic Scoring	3 / 3
OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance	3 / 3
The Mirror	5 / 5
PIB '20 P1 - Marcus and Head Bonks	3 / 3
Postfix Notation	7 / 7
VMSS Pre-Pre-Windsor P1 - Mr. White's Carnival	3 / 3
VMSS Pre-Pre-Windsor P2 - Big Chess	3 / 3
Factorial Sum List	5 / 5
Prime Factorization	5 / 5
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P2 - Get Off My Lawn	3 / 3
VMSS Pre-Windsor P3 - Composite Bag	3 / 3
VMSS Pre-Windsor P5 - Math Depression	5 / 5
QCC P0 - Thermometer	3 / 3
Rat In A Maze	5 / 5
RGPC '17 P1 - Circle Clicking!	5 / 5
RGPC '18 P1 - Giant Cookie	3 / 3
RTE '16 J1 - Board Game	3 / 3
RTE '16 J2 - Guidance Counselling	2.100 / 7
Spring Coding Bowl '22 P1 - Student Numbers	3 / 3
The Cosmic Era P1 - Ship	3 / 3
The Cosmic Era P2 - Uneven Sand	5 / 5
Dynamic Range Minimum Test	12 / 12
Creating a Sequence	3 / 3
Python Infinite Loop	7 / 7
SMAC 08/09 (Oct) #1 - Eliminanagram	5 / 5
Bubble Sort	7 / 7
The DMOJ Driveway	5 / 5
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Budget	3 / 3
TTC	3 / 3
THICC '17 P1 - Carol's Carnivorous Plants	5 / 5
THICC '17 P5 - Smarties	7 / 7
Towers	3 / 3
TSS Club Fair 2017 Problem A	3 / 3
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UACC 1 P4 - Converging Streams	10 / 10
UCC Coding Competition '20 P1 - Snowstorm	3 / 3
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '20 P5 - Public Transport	7 / 7
UCC Coding Competition '21 P1 - Counterfeit Detection	3 / 3
UCC Coding Competition '21 P2 - Emerald Exchange	5 / 5
UTS Open '18 P1 - Love Triangle	3 / 3
UTS Open '18 P2 - ABCs	3 / 3
Valentine's Day '19 J1 - Rainbow Rating	3 / 3
Valentine's Day '19 J2 - Pink!	3 / 3
Valentine's Day '19 J3 - Love!	7 / 7
VPEX P0 - Pizza	3 / 3
VPEX P2 - Darcy Parties	3 / 3
WOSS Dual Olympiad 2023 J1: Minimum Price	3 / 3
WOSS Dual Olympiad 2023 J2: 3 Numbers	5 / 5
WOSS Dual Olympiad 2023 J3/S1: Moving Sand	7 / 7
WOSS Dual Olympiad 2023 Team Round P2: Holding Eggnog	7 / 7
XOR	7 / 7

Problem	Score
VM7WC '15 #1 Bronze - Goon	3 / 3
VM7WC '15 #1 Silver - Jung Goon	5 / 5
VM7WC '15 #2 Bronze - Recruits!	3 / 3
VM7WC '15 #3 Silver - Test Scores	5 / 5
VM7WC '16 #2 Bronze - G	5 / 5
VM7WC '16 #2 Silver - GG	5 / 5
VM7WC '16 #3 Bronze - Shahir-in-a-Box	3 / 3
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #4 Bronze - Perfect Squares for Not-So-Perfect Cases	3 / 3

Problem	Score
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor	3 / 3
Wesley's Anger Contest Reject 2 - 🥕suba	3 / 3

Problem	Score
Waterloo 2017 Fall A - Art	3 / 3
Waterloo 2017 Winter A - Vera and Outfits	3 / 3

Problem	Score
WC '01 P3 - Back to the Future	5 / 5
WC '02 P5 - Intercepted Cowmmunication	5 / 5
WC '15 Contest 1 J1 - Do You Know Your Woburn Colours?	3 / 3
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '15 Contest 2 J3 - Return of the Jedi	5 / 5
WC '15 Contest 3 J1 - Battle Predictions	3 / 3
WC '15 Contest 4 J1 - Telling Time	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
WC '16 Contest 4 J1 - Anyone Can Be Anything	5 / 5
WC '17 Contest 1 J1 - Canadian Accent	3 / 3
WC '17 Contest 1 J2 - How's the Weather?	3 / 3
WC '17 Contest 2 J1 - The Rings of Power	3 / 3
WC '17 Contest 2 J2 - Breeding an Army	3 / 3
WC '17 Contest 2 J3 - Escaping the Mines	3 / 3
WC '17 Contest 4 J1 - Fight or Flight	3 / 3
WC '17 Contest 4 J2 - Anger Management	3 / 3
WC '18 Contest 1 J2 - Making the Cut	3 / 3
WC '18 Contest 1 S1 - Inspiration	7 / 7
WC '18 Contest 2 J2 - This Message will Self-Destruct	3 / 3
WC '18 Contest 2 J3 - Seeing Double	3 / 3
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3
WC '18 Finals J2 - Script Doctor	5 / 5
WC '96 P3 - Hidden Geography	5 / 5
WC '99 P2 - Mission Impossible	7 / 7