User erniebits

Points breakdown

15 / 15

AC | PYPY3

CCC '23 S5 - The Filter

on Jan. 25, 2026, 2:09 a.m.

20pp

weighted 100% (20pp)

15 / 15

AC | C++17

CCC '19 S5 - Triangle: The Data Structure

on Nov. 23, 2025, 11:46 p.m.

20pp

weighted 95% (19pp)

100 / 100

AC | TEXT

DMOPC '21 Contest 10 P5 - Number Theory

on Sept. 13, 2025, 8:58 p.m.

20pp

weighted 90% (18pp)

100 / 100

AC | JAVA8

Rectangle Counting

on Feb. 16, 2026, 4:45 p.m.

17pp

weighted 86% (15pp)

15 / 15

AC | JAVA8

CCC '25 S5 - To-Do List

on Jan. 18, 2026, 6:03 p.m.

17pp

weighted 81% (14pp)

100 / 100

AC | JAVA8

DMPG '17 G2 - Holy Grail War

on Dec. 21, 2025, 2:19 p.m.

17pp

weighted 77% (13pp)

25 / 25

AC | JAVA

Mock CCO '17 Problem 2 - Penetrating Power

on Dec. 20, 2025, 10:19 p.m.

17pp

weighted 74% (12pp)

5 / 5

AC | JAVA8

Good Debugging

on Dec. 13, 2025, 11:06 p.m.

17pp

weighted 70% (12pp)

17 / 17

AC | JAVA

XOR Minimum

on Oct. 16, 2025, 3:11 a.m.

17pp

weighted 66% (11pp)

140 / 140

AC | C++20

COCI '14 Contest 6 #5 Neo

on Aug. 30, 2025, 6:44 p.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 6 P2 - G-Pop	7 / 7
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 1 Problem 3 - Poutine	10 / 10
Another Contest 2 Problem 1 - Poutine	15 / 15
Another Contest 3 Problem 1 - Diverse Arrays	7 / 7
Another Contest 3 Problem 3 - Lexicographically Largest Common Subsequence	7 / 7

Problem	Score
Baltic OI '01 P5 - Mars Maps	15 / 15
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '14 P2 - Three Friends	7 / 7

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 '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S2 - Poetry	3.800 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	15 / 15
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S5 - Super Plumber	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 S1 - Maternity	5 / 5
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S2 - Boxes	5 / 5
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 J2 - Do the Shuffle	3 / 3
CCC '08 S3 - Maze	7 / 7
CCC '08 S5 - Nukit	10 / 10
CCC '09 J3 - Good Times	5 / 5
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S2 - Lights Going On and Off	10 / 10
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	5.625 / 10
CCC '09 S5 - Wireless	12 / 12
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S3 - Firehose	15 / 15
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
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 '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
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 '15 S4 - Convex Hull	15 / 15
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 '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '17 S3 - Nailed It!	7 / 7
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 '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	3 / 12
CCC '19 S5 - Triangle: The Data Structure	20 / 20
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 '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 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 '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	1.875 / 10
CCC '23 S5 - The Filter	20 / 20
CCC '24 J4 - Troublesome Keys	7 / 7
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 '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	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '96 S3 - Pattern Generator	5 / 5
CCC '97 S3 - Double Knockout Competition	5 / 5
CCC '97 S5 - Long Division	10 / 10
CCOQR '16 - Stupendous Bowties	10 / 10
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 J4 - Where to build my house?	5 / 5
CCCHK '15 S2 - Matching Problem	10 / 10

Problem	Score
CCO '08 P5 - Candy	7 / 7
CCO '09 P6 - A Weighty Problem	12 / 12
CCO '10 P3 - Wowow	15 / 15
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '11 P4 - Reorganization	7 / 7
CCO '13 P1 - All Your Base Belong to Palindromes	10 / 10
CCO '14 P4 - Where's That Fuel?	7 / 7
CCO '15 P2 - Artskjid	15 / 15
CCO '16 P4 - O Canada	10 / 10
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '23 P1 - Binaria	12 / 12
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '97 P2 - Alien Invasion	10 / 10

User erniebits

Points breakdown

AAC (25 points)

ACC (39 points)

Baltic OI (32 points)

Bubble Cup (12 points)

CCC (827.300 points)

CCO (142 points)

CEOI (7 points)

CIW (29 points)

Classics (40 points)

COCI (406.100 points)

Data Structure Tests (25 points)

DMOPC (534.500 points)

DWITE (44 points)

ECOO (46 points)

EGOI (24 points)

FHC (30 points)

GFSSOC (15 points)

ICPC (24 points)

IOI (62 points)

JOI (20 points)

Mock CCC (72 points)

Mock CCO (54 points)

MWC (13.500 points)

Olympiads School (12 points)

SAC Coding Challenge (31 points)

Seasonal (86.700 points)

TLE (22 points)

TSOC (29 points)

Uncategorized (953.040 points)

VM7WC (71 points)

WAC (5 points)

Waterloo Local (17 points)

Woburn Challenge (71 points)

YAC (34 points)

Problem	Score
CIW '25 P1 - Course Override	7 / 7
CIW '25 P2 - Chocolate Bar Partition 2	12 / 12
CIW '25 P4 - Hit the Griddy	10 / 10

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
HopScotch II	12 / 12
Longest Increasing Subsequence	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #4 Slikar	10 / 10
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 2 #5 Stol	12 / 12
COCI '06 Contest 3 #5 Bicikli	15 / 15
COCI '06 Contest 5 #5 Ivana	15 / 15
COCI '06 Contest 5 #6 Dvaput	15 / 15
COCI '07 Contest 1 #5 Srednji	7 / 7
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '09 Contest 4 #4 Ograda	4.500 / 15
COCI '10 Contest 2 #2 Napor	5 / 5
COCI '10 Contest 3 #5 Diferencija	12 / 12
COCI '10 Contest 6 #4 Abeceda	10 / 10
COCI '10 Contest 7 #3 Gitara	7 / 7
COCI '10 Contest 7 #5 Kuglice	12 / 12
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #1 Mobitel	5 / 5
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 3 #4 Coci	15 / 15
COCI '14 Contest 5 #3 Traktor	7 / 7
COCI '14 Contest 6 #4 Kratki	10 / 10
COCI '14 Contest 6 #5 Neo	17 / 17
COCI '15 Contest 2 #4 Savez	15 / 15
COCI '15 Contest 2 #5 Vudu	15 / 15
COCI '15 Contest 4 #3 Deathstar	7 / 7
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 2 #4 Prosječni	10 / 10
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '16 Contest 6 #3 Turnir	7 / 7
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7
COCI '17 Contest 3 #4 Portal	9.600 / 12
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '18 Contest 4 #3 Kisik	12 / 12
COCI '19 Contest 4 #5 Nivelle	12 / 12
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '20 Contest 3 #1 Knjige	7 / 7
COCI '20 Contest 5 #2 Po	7 / 7
COCI '22 Contest 4 #5 Vrsta	12 / 12
COI '06 #1 Patrik	12 / 12
COCI '08 Regional #2 Majstor	5 / 5

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 2 P6 - Selective Cutting	12 / 12
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	5 / 10
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 4 P4 - Great Sequence	3 / 10
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '16 Contest 4 P3 - Carnival Phantasm	10 / 10
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 1 P4 - Quests	12 / 12
DMOPC '17 Contest 2 P3 - Bad Bunnies	10 / 10
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun	5 / 5
DMOPC '17 Contest 4 P4 - Cops and Robbers	7 / 7
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 3 P2 - Bob and French Class	7 / 7
DMOPC '18 Contest 4 P2 - Dr. Henri and Responsibility	7 / 7
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization	10 / 10
DMOPC '18 Contest 4 P4 - Dr. Henri and Lab Data	12 / 12
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 1 P1 - Test Scores	5 / 5
DMOPC '19 Contest 1 P2 - Good Writing	7 / 7
DMOPC '19 Contest 1 P3 - Simple Math	12 / 12
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 3 P3 - Majority	12 / 12
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 4 P3 - Roving Roombas	12 / 12
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 7 P1 - Bob and Balance	3.500 / 7
DMOPC '21 Contest 10 P3 - Peculiar Reflections	12 / 12
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 2 P3 - Divisions	12 / 12
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 9 P3 - Terrible Trains	12 / 12
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMPG '15 S5 - Black and White	12 / 12
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 G2 - Holy Grail War	17 / 17
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
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 R3 #4 - Time for change	7 / 7
DWITE '09 R1 #2 - Word Scrambler	5 / 5
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5

Problem	Score
ECOO '12 R3 P3 - Steam Arithmetic	7 / 7
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '17 R2 P3 - Lunch Time	12 / 12
ECOO '17 R3 P2 - Family Trees	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
EGOI '21 P1 - Zeros	7 / 7
EGOI '23 P1 - Inflation	7 / 7
EGOI '23 P5 - Carnival General	10 / 10

Problem	Score
Facebook Hacker Cup '15 Round 1 P1 - Homework	10 / 10
Facebook Hacker Cup '15 Round 1 P2 - Autocomplete	10 / 10
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort	10 / 10

Problem	Score
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Winter S1 - OR-deal	5 / 5

Problem	Score
ICPC NAQ 2016 G - Inverse Factorial	10 / 10
ICPC PACNW 2016 A - Alphabet	7 / 7
ICPC PACNW 2016 H - Paint	7 / 7

Problem	Score
IOI '00 P1 - Palindrome	3 / 10
IOI '01 P1 - Mobile Phones	15 / 15
IOI '04 P4 - Phidias	10 / 10
IOI '08 P1 - Type Printer	12 / 12
IOI '94 P1 - The Triangle	7 / 7
IOI '98 P4 - Picture	15 / 15

Problem	Score
JOI '05 Final Round P2 - String	5 / 5
JOI '05 Final Round P3 - Square	5 / 5
JOI '16 Final P1 - Foehn Phenomena	10 / 10

Problem	Score
Mock CCC '20 Contest 1 J2 - A Simplex 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 '22 Contest 1 J5 - New Year's Restrictions	7 / 7
Mock CCC '22 Contest 2 J5 - Dominating the Olympics	10 / 10
Mock CCC '15 S1 - Dupvoting	5 / 5
Mock CCC '15 S2 - Problem-setting Pandemonium	5 / 5
Mock CCC '18 Contest 1 J3/S1 - A Math Problem	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem	10 / 10
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7

Problem	Score
CCO Preparation Test 5 P1 - City Game	15 / 15
CCO Preparation Test 6 P2 - An Easy Problem	12 / 12
Mock CCO '17 Problem 2 - Penetrating Power	17 / 17
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10

Problem	Score
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P3: Bad News	3.500 / 7

Problem	Score
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions	5 / 5
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 5 Junior P4 - Course Requirements	7 / 7
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5

Problem	Score
Back To School '18: Letter Frequency	7 / 7
Canada Day Contest 2021 - Bob and Canada	7 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
Death Gun	0.700 / 7
Max's Anger Contest Series 2 P2 - Password Anger	5 / 5
Max's Anger Contest Series 2 P3 - Array Anger	7 / 7
MEC '16 P3 - Getting Good at Programming	10 / 10
MNYC '17: Hurontario	10 / 10
Triway Cup '18 Summer B - Beautiful Water Pearl	7 / 7
Is it a Tree?	7 / 7
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '16 Contest 8 P4 - Delivery Service	17 / 17

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '15 Contest 2 #6 - All-Out War!	15 / 15
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
AAAA 1 P3 - Topographical Sort	12 / 12
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P3 - Ridiculous String	10 / 10
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 1 P5 - Hacking Grades	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Arcadia Computing Contest 2 P3 - Alternato	7 / 7
Arcadia Computing Contest 2 P4 - Choose Your Own Adventure!	7 / 7
Arcadia Computing Contest 2 P5 - lp0 is on fire!	10 / 10
A Noisy Class	7 / 7
Avocado Trees!	5 / 5
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
Binary	5 / 5
Boxlings	15 / 15
Fast Search	15 / 15
BSSPC '21 J4 - James's Magical Soups	7 / 7
Back to School '24 P1 - Kicking	5 / 5
Casino Crisis	12 / 12
Castle Invasion	10 / 10
Coin Change	7 / 7
Checkerboard Summation (Hard)	15 / 15
Cheerio Contest 1 S2 - School Expansion	7 / 7
Cheerio Contest 1 S3 - Stock Trading	7 / 7
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
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	3.500 / 10
Maximum Sum	7 / 7
A Game	10 / 10
Counting Subsequences	10 / 10
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 F - LCS	7 / 7
Educational DP Contest AtCoder G - Longest Path	10 / 10
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Educational DP Contest AtCoder Q - Flowers	15 / 15
Educational DP Contest AtCoder T - Permutation	15 / 15
Exam Prep	7 / 7
Good Debugging	17 / 17
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Hardcore Grinding	5 / 5
HCI '16 - Oversleep	7 / 7
The Heist	10 / 10
Hello, World!	3 / 3
HHPC1 P2 - Yuniformity Challenge	10 / 10
Word Scrambler	5 / 5
Knapsack 3	10 / 10
Levve Loves Segment Trees	15 / 15
Lil' Jami	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	5 / 5
OTHS Coding Competition 4 P3 - Photo	5 / 5
OTHS Coding Competition 4 P4 - Mathemagical Experiment	3.500 / 10
OTHS Coding Competition 4 P5 - Teleport	12 / 12
Path Finder	10 / 10
Pick It	15 / 15
Prime Factorization	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Rectangle Counting	17 / 17
RGPC '18 P3 - Chocolate Day	10 / 10
RTE '16 S3 - School Traversal	7 / 7
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma	15 / 15
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
Dynamic Range Minimum Test	12 / 12
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
Skyscrapers	15 / 15
SMAC 08/09 (Oct) #3 - Jumpscotch	12 / 12
Coding Spree	7 / 7
STNBD P2 - Claire Elstein	12 / 12
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Segment Tree Practice 3	15 / 15
Sudoku Challenge	5.040 / 7
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
THICC '17 P5 - Smarties	7 / 7
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P3 - Cheeky Checkers	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
UTS Open '18 P4 - Ianine's Lil Lab	10 / 10
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
Valentine's Day '19 J3 - Love!	7 / 7
XOR	7 / 7
XOR Minimum	17 / 17

Problem	Score
VM7WC '15 #2 Silver - 4 Nations, 1 Secret	10 / 10
VM7WC '15 #2 Gold - Uniting the Earth Empire	12 / 12
VM7WC '16 #2 Gold - GGG	15 / 15
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
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
Waterloo 2001 Winter D - Division	7 / 7
Waterloo 2017 Winter B - Vera and LCS	10 / 10

Problem	Score
WC '01 P3 - Back to the Future	5 / 5
WC '07 P3 - Strategy Meeting	10 / 10
WC '15 Finals S2 - Hydration	10 / 10
WC '17 Contest 3 S2 - GleamingProudChickenFunRun	12 / 12
WC '18 Contest 2 S2 - Plutonium	12 / 12
WC '18 Contest 3 J4 - Leveling Up	7 / 7
WC '18 Contest 4 S1 - World of StarCraft	10 / 10
WC '96 P6 - Bases Multiplication	5 / 5

Problem	Score
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7