User cheeseking

Points breakdown

100 / 100

AC | C++17

COI '15 #4 Torrent

on Aug. 28, 2025, 4:01 a.m.

25pp

weighted 100% (25pp)

100 / 100

AC | C++17

Ray Needs Help

on Nov. 30, 2025, 7:55 p.m.

20pp

weighted 95% (19pp)

1 / 1

AC | C++17

Knapsack 4

on Nov. 26, 2025, 3:23 a.m.

20pp

weighted 90% (18pp)

15 / 15

AC | PYPY3

CCC '16 S5 - Circle of Life

on Feb. 7, 2025, 8:29 p.m.

20pp

weighted 86% (17pp)

30 / 30

AC | PYPY3

CCC '19 S4 - Tourism

on Feb. 2, 2025, 5:00 a.m.

20pp

weighted 81% (16pp)

15 / 15

AC | PYPY3

CCC '23 S5 - The Filter

on Jan. 26, 2025, 10:39 p.m.

20pp

weighted 77% (15pp)

15 / 15

AC | PY3

CCC '18 S5 - Maximum Strategic Savings

on Dec. 30, 2024, 6:36 p.m.

20pp

weighted 74% (15pp)

100 / 100

AC | PY3

DMOPC '21 Contest 10 P5 - Number Theory

on Dec. 29, 2023, 3:37 a.m.

20pp

weighted 70% (14pp)

15 / 15

AC | C++17

CCC '25 S5 - To-Do List

on Dec. 7, 2025, 5:23 a.m.

17pp

weighted 66% (11pp)

100 / 100

AC | C++17

DMPG '15 S6 - Apples to Oranges

on Aug. 4, 2025, 3:15 a.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P4 - Alpaca Arrays	1 / 10
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 5 - Another Cheese Problem	12 / 12
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 - Max is Last	3 / 3
BlueBook - World Pop	3 / 3
BlueBook - Power Base	3 / 3
BlueBook - Powers of 2	3 / 3
BlueBook - Find the Character	3 / 3
BlueBook - Column of Numbers	3 / 3
BlueBook - Pop Explosion	3 / 3
BlueBook - Digits and Sums	3 / 3
BlueBook - Exact Divisors	3 / 3
BlueBook - 10 Primes on a Line	5 / 5
BlueBook - Max	3 / 3
BlueBook - Payment	3 / 3
BlueBook - Mode	3 / 3
BlueBook - Triangle	3 / 3
BlueBook - Sieve	5 / 5
BlueBook - Voting	3 / 3
BlueBook - Min	3 / 3
BlueBook - First Blank	3 / 3
BlueBook - Digits	3 / 3
BlueBook - Lower Case	3 / 3
BlueBook - Prime	3 / 3
BlueBook - Grades	3 / 3
BlueBook - Leap Year	3 / 3
BlueBook - Multiple	3 / 3
BlueBook - Equation	3 / 3

Problem	Score
CCO '05 P4 - Primed Sequences	9.600 / 12
CCO '07 P2 - Snowflakes	10 / 10
CCO '08 P5 - Candy	7 / 7
CCO '10 P2 - Tree Pruning	15 / 15
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '25 P1 - Asteroid Mining	4.800 / 15

Problem	Score
NOIP '07 P1 - Counting Numbers	3 / 3
NOIP '18 Junior P1 - Title Statistics	3 / 3

User cheeseking

Points breakdown

AAC (21 points)

ACC (21 points)

Baltic OI (15 points)

BlueBook (91 points)

Bubble Cup (5 points)

CCC (1439.608 points)

CCO (56.400 points)

CEOI (10 points)

China NOI (6 points)

Classics (45 points)

COCI (220.500 points)

CSPC (3 points)

CTF (17 points)

Data Structure Tests (15 points)

DMOPC (265.500 points)

DWITE (95 points)

ECOO (17 points)

GFSSOC (67.500 points)

ICPC (51 points)

IOI (18 points)

Mock CCC (97.800 points)

MWC (8.100 points)

SAC Coding Challenge (37.800 points)

Seasonal (125.600 points)

SIUCF (15 points)

TLE (25.100 points)

TSOC (11.600 points)

Uncategorized (868.201 points)

VM7WC (21 points)

WAC (18 points)

Waterloo Local (3 points)

Woburn Challenge (66 points)

YAC (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 S3 - Surfing	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 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '01 S2 - Spirals (Exact Version)	7 / 7
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '01 S5 - Post's Correspondence Problem	10 / 10
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 S3 - Blindfold	10 / 15
CCC '02 S4 - Bridge Crossing	2 / 10
CCC '02 S5 - Follow the Bouncing Ball	9.375 / 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 '03 S5 - Trucking Troubles	10 / 10
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 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S3 - Spreadsheet	10 / 10
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 '05 S5 - Pinball Ranking	12 / 12
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 S1 - Maternity	5 / 5
CCC '06 S2 - Attack of the CipherTexts	5 / 5
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '06 S4 - Groups	10 / 10
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 J5 - Keep on Truckin'	7 / 7
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
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 S1 - It's Cold Here!	5 / 5
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '08 S5 - Nukit	10 / 10
CCC '09 J1 - ISBN	3 / 3
CCC '09 J2 - Old Fishin' Hole	5 / 5
CCC '09 J3 - Good Times	5 / 5
CCC '09 J4 - Signage	7 / 7
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 J1 - What is n, Daddy?	3 / 3
CCC '10 J2 - Up and Down	5 / 5
CCC '10 J3 - Punchy	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
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 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S4 - Blood Distribution	7.500 / 15
CCC '11 S5 - Switch	0.800 / 12
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 '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '12 S4 - A Coin Game	15 / 15
CCC '12 S5 - Mouse Journey	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 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '13 S5 - Factor Solitaire	15 / 15
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 '14 S4 - Tinted Glass Window	15 / 15
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 J5 - π-day	10 / 10
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
CCC '15 S3 - Gates	10 / 10
CCC '15 S4 - Convex Hull	15 / 15
CCC '15 S5 - Greedy For Pies	11.333 / 17
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 '16 S3 - Phonomenal Reviews	12 / 12
CCC '16 S4 - Combining Riceballs	15 / 15
CCC '16 S5 - Circle of Life	20 / 20
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 '17 S4 - Minimum Cost Flow	17 / 17
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	10 / 10
CCC '18 S4 - Balanced Trees	15 / 15
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 '19 S3 - Arithmetic Square	12 / 12
CCC '19 S4 - Tourism	20 / 20
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 '20 S3 - Searching for Strings	12 / 12
CCC '20 S4 - Swapping Seats	12 / 12
CCC '20 S5 - Josh's Double Bacon Deluxe	17 / 17
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	12 / 12
CCC '21 S5 - Math Homework	15 / 15
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 '22 S3 - Good Samples	10 / 10
CCC '22 S4 - Good Triplets	15 / 15
CCC '22 S5 - Good Influencers	17 / 17
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 '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
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 '24 S5 - Chocolate Bar Partition	2.667 / 20
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	7 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S3 - Pretty Pens	3.333 / 10
CCC '25 S4 - Floor is Lava	1.600 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5
CCC '96 S2 - Divisibility by 11	7 / 7
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S1 - Sentences	5 / 5
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '98 S1 - Censor	5 / 5
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCC '99 S5 - Letter Arithmetic	12 / 12
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
CCCHK '15 J5 - No friends in the same group.	6 / 15

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Quine	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '06 Contest 1 #4 Slikar	10 / 10
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 #1 Sibice	3 / 3
COCI '06 Contest 5 #1 Trik	3 / 3
COCI '07 Contest 2 #1 Bijele	3 / 3
COCI '07 Contest 2 #2 Crne	3 / 3
COCI '07 Contest 3 #2 Oktalni	3 / 3
COCI '07 Contest 3 #5 Cudak	15 / 15
COCI '08 Contest 1 #1 Skocimis	5 / 5
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '08 Contest 6 #1 Buka	5 / 5
COCI '09 Contest 1 #1 Note	3 / 3
COCI '09 Contest 1 #2 Domino	5 / 5
COCI '09 Contest 2 #1 Faktor	3 / 3
COCI '09 Contest 4 #1 Autori	3 / 3
COCI '09 Contest 7 #1 Spavanac	5 / 5
COCI '10 Contest 1 #1 Timsko	3 / 3
COCI '10 Contest 2 #1 Puž	3 / 3
COCI '10 Contest 3 #2 Zbroj	3 / 3
COCI '10 Contest 4 #1 Avion	3 / 3
COCI '10 Contest 6 #1 Okulpjanje	3 / 3
COCI '10 Contest 7 #1 Šećer	3 / 3
COCI '11 Contest 3 #3 Pogodak	10 / 10
COCI '12 Contest 2 #1 Mortadela	3 / 3
COCI '12 Contest 6 #1 Baka	3 / 3
COCI '13 Contest 2 #3 Slom	7 / 7
COCI '13 Contest 3 #1 Riječi	5 / 5
COCI '13 Contest 4 #1 Nasljedstvo	3 / 3
COCI '13 Contest 5 #1 Lozinka	3 / 3
COCI '14 Contest 2 #2 Utrka	2.500 / 5
COCI '15 Contest 2 #1 Marko	5 / 5
COCI '15 Contest 6 #2 Putovanje	5 / 5
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '17 Contest 2 #2 ZigZag	5 / 5
COCI '18 Contest 1 #1 Nadan	3 / 3
COCI '18 Contest 3 #1 Magnus	5 / 5
COCI '18 Contest 4 #1 Elder	5 / 5
COI '15 #4 Torrent	25 / 25
COCI '06 Regional #3 Firefly	10 / 10

Problem	Score
DMOJ Capture The Flag '20 G1 - Sanity Check	3 / 3
DMOJ Capture The Flag '20 C2 - Small RSA	5 / 5
DMOJ Capture The Flag '20 G2 - Where's the flag?	3 / 3
DMOJ Capture The Flag '20 F1 - RGB	3 / 3
DMOJ Capture The Flag '20 C1 - All the bases!	3 / 3

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P3 - Crossing Field	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 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P2 - Cutting Logs	1.500 / 5
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 3 P1 - Not Enough Users!	3 / 3
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P2 - Longest Tunnel	3 / 3
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '14 Contest 7 P3 - Globally Unique Shells	5 / 5
DMOPC '14 Contest 7 P4 - Sand Triangle	7 / 7
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '15 Contest 1 P1 - Itami and Manga	3 / 3
DMOPC '15 Contest 2 P3 - Origami	7 / 7
DMOPC '15 Contest 5 P1 - Gel Bananas	3 / 3
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 3 P0 - Negative Feedback	3 / 3
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P5 - Migrant Mascot	5 / 10
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 3 P1 - An Early Christmas Present	3 / 3
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 2 P0 - Mimi and Video Games	3 / 3
DMOPC '18 Contest 4 P0 - Dr. Henri and Seeing Stars	3 / 3
DMOPC '18 Contest 6 P1 - DNA or RNA?	3 / 3
DMOPC '19 Contest 1 P0 - Range Finding	3 / 3
DMOPC '19 Contest 3 P1 - Mode Finding	5 / 5
DMOPC '19 Contest 5 P0 - Concurrent Competitor Counting	3 / 3
DMOPC '19 Contest 6 P0 - Trivial Math	3 / 3
DMOPC '19 Contest 6 P1 - Grade 9 Math	7 / 7
DMOPC '19 Contest 7 P0 - Contest Feedback	3 / 3
DMOPC '19 Contest 7 P1 - Hydrocarbons	7 / 7
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 4 P3 - Palindromic Presents	12 / 12
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMPG '15 S5 - Black and White	12 / 12
DMPG '15 S6 - Apples to Oranges	17 / 17
DMPG '16 B1 - BFS	3 / 3
DMPG '18 B1 - Pizza Orders	3 / 3
DMPG '19 B1 - Registration	3 / 3
DMPG '19 B3 - Contact	3 / 3
DMPG '19 B4 - Braille	5 / 5

Problem	Score
DWITE '02 R2 #2 - The Five M's of Stats 101	5 / 5
DWITE '06 R5 #4 - Connect-4	7 / 7
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R1 #1 - Vanilla Primes	3 / 3
DWITE '07 R4 #4 - Shortest path around	7 / 7
DWITE '07 R5 #2 - Number of factors	5 / 5
DWITE '08 R1 #4 - What is this Roman Numeral	7 / 7
DWITE '08 R2 #2 - My favourite digit	3 / 3
DWITE '08 R4 #4 - Shortest path around v2	7 / 7
DWITE '09 R3 #1 - Quiz Time	3 / 3
DWITE '09 R5 #1 - ASCII bar graphs	3 / 3
DWITE '09 R7 #2 - Sum of Primes	5 / 5
DWITE '10 R1 #1 - Age Gate	3 / 3
DWITE '10 R3 #4 - Forest Fires	7 / 7
DWITE '10 R4 #3 - Binary Weight	5 / 5
DWITE '11 R5 #1 - Age Gate	3 / 3
DWITE '11 R5 #2 - Forest Fires	7 / 7
DWITE '11 R5 #5 - Binary Weight	5 / 5

Problem	Score
ECOO '16 R3 P1 - Nerd Poker	7 / 7
ECOO '19 R2 P1 - Email	5 / 5
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO	5 / 5

Problem	Score
GFSS Christmas Challenge P1 - Arithmetic Operators	3 / 3
GFSSOC '17 J2 - Admission Average	3 / 3
GFSSOC '14 Winter J1 - Flying Plushies	3 / 3
GFSSOC '14 Winter J2 - Wow much parking lot	3 / 3
GFSSOC '14 Winter J3 - Waiting	3 / 3
GFSSOC '14 Winter J4 - Tic Tac Moe!	5 / 5
GFSSOC '14 Winter S4 - Stalactites	8.500 / 17
GFSSOC '15 Fall J1 - CodeFights	3 / 3
GFSSOC '15 Fall J3 - Equation Solver	5 / 5
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Fall S3 - System(0);	10 / 10
GFSSOC '15 Winter J1 - Festive Fardin	3 / 3
GFSSOC '15 Winter J2 - Purchasing Presents	3 / 3
GFSSOC '15 Winter S3 - PalinDrone	7 / 7
GFSSOC '15 Fall Practice P1 - Bruno and Trig	3 / 3

Problem	Score
ACM U of T Tryouts C0 A - Max Flow	3 / 3
ACM U of T Tryouts C0 B - Interleaving Leaves	5 / 5
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox	3 / 3
ACM U of T Tryouts C3 A - A Research Project	3 / 3
ACM U of T Tryouts C3 B - A Careful Reply	3 / 3
Knapsack 4	20 / 20
ICPC NAQ 2016 A - A New Alphabet	3 / 3
ICPC NAQ 2016 J - Quick Estimates	3 / 3
UCRPC F21 A - Senseless Census	5 / 5
UCRPC F21 B - Lost in the Shuffle	3 / 3

Problem	Score
IOI '00 P1 - Palindrome	5 / 10
IOI '05 P3 - Mean Sequence	6 / 12
IOI '94 P1 - The Triangle	7 / 7

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 1 J4 - A Binary Problem	5 / 5
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System	3 / 3
Mock CCC '15 J1 - 416	3 / 3
Mock CCC '15 J3 - Problem-setting Pandemonium	3 / 3
Mock CCC '18 Contest 1 J1 - A String Problem	3 / 3
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
Mock CCC '18 Contest 2 J1 - An Arithmetic Problem	3 / 3
Mock CCC '18 Contest 3 J1 - A Sum Problem	3 / 3
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 J5/S3 - Directed Graph Connectivity	7 / 7
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 S1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea	3 / 3
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea	3 / 3
Mock CCC '21 S2 - Colorful Strings	7 / 7
Riolku's Mock CCC S1 - Word Bot	3 / 3
Riolku's Mock CCC S2 - Keen Keener Sequence	7 / 7

Problem	Score
MWC '15 #1 P5: Love Guru	2.100 / 7
MWC '15 #6 P1: Regpo	3 / 3
MWC '15 #8 P1: Push-up Contest	3 / 3

Problem	Score
SAC '21 Code Challenge P1 - Shrinkage	3 / 3
SAC '21 Code Challenge P5 - Friends of Friends	2.800 / 7
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 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 P1 - Monkey, Type!	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 P1 - Querying Plants	3 / 3
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back To School '16: Harambe	3 / 3
Back To School '16: Cherry Tree	12 / 12
Back To School '17: 🅱aram🅱e	3 / 3
Back To School '18: Letter Frequency	7 / 7
CCCJQR P2	3 / 3
CCCJQR P3	7 / 7
Halloween '14 P1 - Rabbit Girls	3 / 3
Halloween '14 P2 - Cat Girls	10.200 / 12
Max's Anger Contest Series 1 P1 - Hunger Bar	3 / 3
Max's Anger Contest Series 1 P2 - Wesley's Anger Contest 7 P1 - Enraged	5 / 5
Max's Anger Contest Series 2 P1 - Directed Anger	3 / 3
MEC '16 P2 - Conveyor Belt	5 / 5
Miracle Sort	3 / 3
MNYC '16: King Modulus	3 / 3
Piggy	7 / 7
Triway Cup '18 Summer F - Forget Me Not	5 / 5
Triway Cup '19 Summer I - An Easy Problem	5 / 5
Too Simple	7 / 7
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
WOSS Dual Olympiad 2021 J1: Water Classification	3 / 3
New Year's '15 P1 - Invitation Devastation	3 / 3
New Year's '17 P1 - Mr. N and Presents	1.400 / 7
New Year's '18 P4 - The Polar Express	7 / 7

Problem	Score
Factorial Calculator	2.100 / 7
TLE '17 Contest 4 P5 - Pascal's Tree	15 / 15
TLE '17 Contest 5 P1 - Guess the Number	3 / 3
TLE '17 Contest 8 P2 - Ship Defense	5 / 5

Problem	Score
TSOC '15 Contest 1 #1 - Molecular or Non-Molecular?	3 / 3
TSOC '16 Contest 1 #1 - Vasile and Haircuts	3 / 3
TSOC '16 Contest 1 #4 - Alex and Animal Rights	5.600 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A20 Gate	5 / 5
Triple Fat Ladies	5 / 5
Appleby Contest '19 P1 - Darcy's Debilitating Demands	3 / 3
Appleby Contest '19 P2 - The Love Letter	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
Appleby Contest '19 P4 - Rectangles	5.950 / 7
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Appleby Contest '20 P2 - Playful Playdoughs	5 / 5
Appleby Contest '20 P3 - Ridiculous String	10 / 10
A Digit Problem	12 / 12
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	1.250 / 5
Alawn's Problem	7 / 7
Sum of Primes 2	1 / 5
Alphabet Score	3 / 3
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office?	3 / 3
Amplitude Hackathon Winter '24 Problem 1 - Twila's Walk	3 / 3
Amplitude Hackathon Summer '25 Problem 1 - AI (Easy)	3 / 3
Troubling Times	5 / 5
Another Sorting	5 / 5
A Plus B	3 / 3
Art Academy 0: Prologue	3 / 3
Art Academy VII: A Mysterious Object	12 / 12
A Times B	0.700 / 20
PEG Test '14 - Water	3 / 3
Adding Reversed Numbers	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
String Finding	5 / 5
Binary	5 / 5
Boolean	3 / 3
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
BSSPC '22 P1 - Bubble Tea Tracker	3 / 3
Back to School '24 P1 - Kicking	1.200 / 5
Back to School '24 P2 - Cheating	2 / 10
Coin Change	7 / 7
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 2 P3 - Digits	0.667 / 5
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Chocolate Bar	5 / 5
3n+1	3 / 3
CPC '19 Contest 1 P2 - Luggage	7 / 7
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
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	3 / 3
Dilhan's Computing Contest 1 P2 - Square Sum	12 / 12
Capture The Flag	5 / 5
Double Doors Regional P1 - Tudor Gets a Goat	3 / 3
German Nouns	5 / 5
More German Nouns	7 / 7
Longest Increasing Subsequence	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 E - Knapsack 2	7 / 7
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder R - Walk	15 / 15
Educational DP Contest AtCoder S - Digit Sum	12 / 12
Diagnostic Test '16 Level 2 P1 - Polan cannot into space	3 / 3
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	2 / 20
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
Firebending	3 / 3
Troubling Triangles	7 / 7
GlobeX Cup '18 J2 - Mark Gambling	0.364 / 5
GlobeX Cup '18 J4 - Magical Functions	7 / 7
GlobeX Cup '18 J5 - Errands	10 / 10
GlobeX Cup '19 S1 - Planet Classification	5 / 5
Graph Contest 1 P1 - Counting Paths	10 / 10
Graph Contest 1 P2 - Shortest Path	5 / 5
Graph Contest 3 P2 - Shortest Path	10 / 10
Hailstone Numbers	3 / 3
HCI '16 - Oversleep	7 / 7
HCI '16 - Sentence Checker	3 / 3
Hello, World!	3 / 3
HHPC1 P1 - Yielding the Longest Substring	5 / 5
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Word Scrambler	5 / 5
Inaho IV	5 / 5
Inaho V	3 / 3
Infinity	3 / 3
Knapsack 3	10 / 10
LKP '18 Contest 2 P1 - Food Lines	3 / 3
MCIPC Contest 1 P1 - Factoring	3 / 3
MCIPC Contest 1 P2 - Infinite Chessboard	3 / 3
MCIPC Contest 1 P3 - Cypher	2.500 / 5
Modulo Sort	5 / 5
The Odd Number	7 / 7
Olympic Scoring	3 / 3
Ones	2 / 10
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 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	2.300 / 7
OTHS Coding Competition 3 (Mock CCC) S3 - Domain Expansion	1.300 / 10
OTHS Coding Competition 3 (Mock CCC) S4 - Magic Library	2 / 15
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
The Mirror	5 / 5
Phantom's Python Challenge	3.920 / 40
PIB '20 P1 - Marcus and Head Bonks	3 / 3
PIB '20 P2 - 2 + 2 = 5	5 / 5
Confirmation Bias	10 / 10
VMSS Pre-Pre-Windsor P2 - Big Chess	3 / 3
There's a Hole in the Bucket	7 / 7
Prime Factorization	5 / 5
Primes	3 / 3
Primes 2	3.750 / 15
Pulse	3 / 3
VMSS Pre-Windsor P1 - Java	3 / 3
VMSS Pre-Windsor P3 - Composite Bag	3 / 3
Self-deception	15 / 15
QCC P0 - Thermometer	3 / 3
Ray Needs Help	20 / 20
Richmond Green P2 - LOL	3 / 3
The Cosmic Era P1 - Ship	3 / 3
Python Infinite Loop	7 / 7
Bubble Sort	7 / 7
The DMOJ Driveway	5 / 5
STNBD P1 - Ren Ashbell	3 / 3
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Segment Tree Practice 3	15 / 15
Sudoku Challenge	6.300 / 7
Threes	3 / 3
UACC 1 P1 - Bench Press Bob	3 / 3
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
UTS Open '18 P1 - Love Triangle	3 / 3
UTS Open '24 P1 - Watering the Plants	5 / 5
Valentine's Day '19 J1 - Rainbow Rating	3 / 3
Valentine's Day '19 J2 - Pink!	3 / 3
VPEX P0 - Pizza	3 / 3
VPEX P2 - Darcy Parties	2 / 3
WOSS Dual Olympiad 2023 J1: Minimum Price	3 / 3
WOSS Dual Olympiad 2023 J2: 3 Numbers	5 / 5
XOR	7 / 7
Zeroes	3 / 15

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
VM7WC '15 #1 Bronze - Goon	3 / 3
VM7WC '16 #3 Bronze - Shahir-in-a-Box	3 / 3
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #5 Bronze - Jayden Watches Videos	3 / 3

Problem	Score
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 Reject 2 - 🥕suba	3 / 3

Problem	Score
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 4 J1 - Telling Time	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
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 J3 - Escaping the Mines	3 / 3
WC '17 Contest 3 J1 - Like, Comment, and Subscribe!	3 / 3
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '17 Contest 4 J1 - Fight or Flight	3 / 3
WC '17 Contest 4 J3 - The Infinity Stones	3 / 3
WC '17 Finals S1 - An Interspecific Army	5 / 5
WC '18 Contest 1 J1 - Homework	3 / 3
WC '18 Contest 1 J2 - Making the Cut	3 / 3
WC '18 Contest 2 J1 - Alternate Access	3 / 3
WC '18 Contest 2 J2 - This Message will Self-Destruct	3 / 3
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3
WC '18 Contest 4 J1 - A Fistful of Quarters	3 / 3
WC '97 P4 - Typing	5 / 5

Problem	Score
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5
Yet Another Contest 9 P2 - Nim	7 / 7