User U_Wall

Points breakdown

15 / 15

AC | C++14

CCC '19 S5 - Triangle: The Data Structure

on Nov. 24, 2024, 6:01 p.m.

20pp

weighted 100% (20pp)

15 / 15

AC | C++14

CCC '20 S5 - Josh's Double Bacon Deluxe

on Feb. 17, 2025, 9:50 p.m.

17pp

weighted 95% (16pp)

100 / 100

AC | C++14

DMPG '17 G2 - Holy Grail War

on Jan. 28, 2025, 7:08 p.m.

17pp

weighted 90% (15pp)

25 / 25

AC | C++14

Mock CCO '17 Problem 2 - Penetrating Power

on Jan. 28, 2025, 7:08 p.m.

17pp

weighted 86% (15pp)

100 / 100

AC | C++14

DMOPC '15 Contest 1 P6 - Lelei and Contest

on Dec. 29, 2024, 7:32 p.m.

17pp

weighted 81% (14pp)

5 / 5

AC | C++14

Good Debugging

on Dec. 29, 2024, 7:18 p.m.

17pp

weighted 77% (13pp)

100 / 100

AC | C++14

Singularity Cup P4 - Staircase Sum

on Nov. 30, 2024, 1:49 p.m.

17pp

weighted 74% (12pp)

17 / 17

AC | C++14

XOR Minimum

on Nov. 3, 2024, 4:59 a.m.

17pp

weighted 70% (12pp)

140 / 140

AC | C++14

COCI '14 Contest 6 #5 Neo

on Aug. 18, 2024, 7:36 p.m.

17pp

weighted 66% (11pp)

15 / 15

AC | C++14

CCC '18 S4 - Balanced Trees

on Feb. 16, 2025, 5:54 p.m.

15pp

weighted 63% (9.5pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 3 P3 - Monkey Market	7 / 7
An Animal Contest 3 P4 - Monkey Mayhem	7 / 7
An Animal Contest 3 P5 - Monkey Canoe	12 / 12
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
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
Another Contest 5 Problem 5 - Another Cheese Problem	12 / 12
Another Contest 7 Problem 1 - Lonely Users	3 / 3

Problem	Score
Baltic OI '01 P5 - Mars Maps	15 / 15
Baltic OI '07 P3 - Sound	7.692 / 10
Baltic OI '14 P2 - Three Friends	7 / 7

Problem	Score
BlueBook - Cost	3 / 3
BlueBook - Direction	3 / 3
BlueBook - Times Tables	3 / 3
BlueBook - Interest	3 / 3
BlueBook - World Pop	3 / 3
BlueBook - Power Base	3 / 3
BlueBook - Column of Numbers	3 / 3
BlueBook - Exact Divisors	3 / 3
BlueBook - Mode	3 / 3
BlueBook - Triangle	3 / 3
BlueBook - Voting	3 / 3
BlueBook - First Blank	3 / 3
BlueBook - Leap Year	3 / 3

Problem	Score
CCC '00 J1 - Calendar	5 / 5
CCC '00 J2 - 9966	3 / 3
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 '01 S3 - Strategic Bombing	7 / 7
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S2 - Poetry	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '05 J3 - Returning Home	5 / 5
CCC '05 J4 - Cross Spiral	7 / 7
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 '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 S3 - Friends	7 / 7
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 '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	10 / 10
CCC '09 S5 - Wireless	12 / 12
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	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 S1 - English or French?	5 / 5
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!	2.812 / 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 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 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 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 '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 '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 '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 '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	12 / 12
CCC '18 S4 - Balanced Trees	15 / 15
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 S5 - Triangle: The Data Structure	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 '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 '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 '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '97 S3 - Double Knockout Competition	5 / 5
CCOQR '16 - Stupendous Bowties	10 / 10
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
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

User U_Wall

Points breakdown

AAC (51 points)

ACC (44 points)

Baltic OI (29.692 points)

BlueBook (39 points)

Bubble Cup (12 points)

CCC (993.812 points)

CCO (137 points)

CEOI (7 points)

Classics (44 points)

COCI (460 points)

Data Structure Tests (35 points)

DMOPC (681 points)

DWITE (62 points)

ECOO (66 points)

EGOI (17 points)

FHC (30 points)

GFSSOC (42 points)

ICPC (36 points)

IOI (50 points)

JOI (60 points)

Mock CCC (115.333 points)

Mock CCO (54 points)

MWC (24 points)

SAC Coding Challenge (87 points)

Seasonal (106.400 points)

TLE (30 points)

TSOC (41 points)

Uncategorized (945.500 points)

VM7WC (106 points)

WAC (5 points)

Waterloo Local (10 points)

Woburn Challenge (66 points)

YAC (49 points)

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '05 P5 - Segments	10 / 10
CCO '10 P3 - Wowow	15 / 15
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '12 P2 - The Hungary Games	15 / 15
CCO '14 P1 - Troyangles	10 / 10
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 '24 P1 - Treasure Hunt	10 / 10
CCO '99 P6 - Fast Food	15 / 15

Problem	Score
Next Prime	5 / 5
HopScotch II	12 / 12
Longest Common Subsequence	7 / 7
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 4 #5 Jogurt	12 / 12
COCI '06 Contest 5 #5 Ivana	15 / 15
COCI '06 Contest 5 #6 Dvaput	15 / 15
COCI '07 Contest 1 #4 Zapis	15 / 15
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '09 Contest 5 #4 Zuma	15 / 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 '11 Contest 5 #2 Eko	5 / 5
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 5 #2 Obilazak	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
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 #2 Geppetto	7 / 7
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 '15 Contest 7 #3 Ozljeda	10 / 10
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '16 Contest 1 #3 Cezar	10 / 10
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 2 #4 Prosječni	10 / 10
COCI '16 Contest 6 #3 Turnir	7 / 7
COCI '16 Contest 6 #5 Sirni	15 / 15
COCI '16 Contest 7 #3 Igra	10 / 10
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '19 Contest 4 #5 Nivelle	12 / 12
COCI '19 Contest 6 #2 Birmingham	7 / 7
COCI '20 Contest 5 #2 Po	7 / 7
COCI '20 Contest 6 #1 Bold	5 / 5
COCI '20 Contest 6 #2 Alias	10 / 10
COCI '22 Contest 3 #2 Dirigent	7 / 7
COCI '22 Contest 4 #1 7Krokods	5 / 5
COCI '22 Contest 4 #5 Vrsta	12 / 12
COI '06 #1 Patrik	12 / 12
COCI '08 Regional #2 Majstor	5 / 5

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15

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 P3 - Golden Lily	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 5 P3 - Brotherly Sequence	5 / 5
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 4 P4 - Great Sequence	10 / 10
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 1 P5 - Blood Tubes	12 / 12
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 2 P4 - Zeros	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 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 P4 - Cops and Robbers	7 / 7
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '17 Contest 5 P2 - Mimi and Binary	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
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 P4 - Dr. Henri and Lab Data	12 / 12
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P0 - SQL Queries	3 / 3
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 3 P2 - Generating Names	7 / 7
DMOPC '19 Contest 3 P3 - Majority	12 / 12
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 6 P2 - Grade 10 Math	7 / 7
DMOPC '19 Contest 6 P3 - Grade 11 Math	10 / 10
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
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 5 P2 - On The Clock	7 / 7
DMOPC '20 Contest 6 P1 - Tug of War	7 / 7
DMOPC '20 Contest 6 P3 - Bread Merchant	10 / 10
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 2 P1 - Bosses	7 / 7
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 6 P4 - Colourful Paths	15 / 15
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 8 P2 - Kanna Market	10 / 10
DMOPC '21 Contest 9 P3 - Terrible Trains	12 / 12
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 1 P2 - Hat Swap	10 / 10
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 3 P1 - Holiday Colouring	1 / 5
DMOPC '22 Contest 3 P2 - New Components	10 / 10
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
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMPG '15 S5 - Black and White	12 / 12
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 G2 - Holy Grail War	17 / 17
DMPG '17 S2 - Anime Conventions	7 / 7
DMPG '18 G1 - Musical Chairs	10 / 10

Problem	Score
DWITE '07 R1 #1 - Vanilla Primes	3 / 3
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 R3 #4 - Time for change	7 / 7
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '11 R2 #5 - Portals Check	7 / 7
DWITE '11 R4 #2 - Prime Time	5 / 5
DWITE '11 R5 #1 - Age Gate	3 / 3

Problem	Score
ECOO '12 R1 P4 - Boggled	7 / 7
ECOO '12 R3 P3 - Steam Arithmetic	7 / 7
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '14 R1 P3 - Word Search	7 / 7
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '17 R3 P2 - Family Trees	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R1 P2 - L-Systems Go	5 / 5
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P1 - Music with Mimi	3 / 3
ECOO '20 P2 - Online Shopping	5 / 5
ECOO '21 P2 - DNA Derren	3 / 3

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 J4 - Marathon	7 / 7
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S2 - Hearth	5 / 5
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Winter S1 - OR-deal	5 / 5

Problem	Score
ICPC PACNW 2016 A - Alphabet	7 / 7
ICPC PACNW 2016 C - Cameras	7 / 7
ICPC PACNW 2016 H - Paint	7 / 7
ICPC PACNW 2016 J - Shopping	15 / 15

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '01 P1 - Mobile Phones	15 / 15
IOI '14 Practice Task 1 - Square	10 / 10
IOI '98 P4 - Picture	15 / 15

Problem	Score
JOI '05 Final Round P2 - String	3 / 3
JOI '05 Final Round P3 - Square	5 / 5
JOI '05 Final Round P5 - Sheets	15 / 15
JOI '16 Final P1 - Foehn Phenomena	10 / 10
JOI '16 Final P2 - Semiexpress	12 / 12
JOI '17 Final P4 - Commuter Pass	15 / 15

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 S2 - Flipper Redux	7 / 7
Mock CCC '20 Contest 2 S3 - Tree Programming	1.333 / 10
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 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '22 Contest 2 J4 - Hockey Bracket	7 / 7
Mock CCC '22 Contest 2 J5 - Dominating the Olympics	10 / 10
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	5 / 5
Mock CCC '24 Contest 1 S2 - Owen the Toucan	7 / 7
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
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 3 J4/S2 - A Median Problem	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	3 / 3
Valentine's Day '18 J5 & S2 - Ctudor's Cute Orchids	7 / 7

Problem	Score
CCO Preparation Test 5 P1 - City Game	15 / 15
Mock CCO '17 Problem 2 - Penetrating Power	17 / 17
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem	12 / 12
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10

Problem	Score
MWC '15 #1 P5: Love Guru	7 / 7
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #3 P3: Bad News	7 / 7

Problem	Score
SAC '21 Code Challenge P1 - Shrinkage	3 / 3
SAC '21 Code Challenge P2 - Littering	5 / 5
SAC '21 Code Challenge P3 - DeMello's Replacement	5 / 5
SAC '21 Code Challenge P4 - Averaging Averages	5 / 5
SAC '22 Code Challenge 1 P3 - That Pool	7 / 7
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 P1 - Hair Hazards	3 / 3
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 Junior P4 - Obligatory Permutation Problem	7 / 7
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 Junior P1 - Monkey, Type!	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5
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	7 / 7
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 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
WOSS Dual Olympiad 2022 J1: Holiday Gifting	3 / 3
WOSS Dual Olympiad 2022 J2: Counting Christmas Trees	3 / 3
WOSS Dual Olympiad 2022 J3/S1: Christmas List	5 / 5
New Year's '17 P1 - Mr. N and Presents	1.400 / 7

Problem	Score
TLE '16 Contest 4 P1 - Stack of Presents	5 / 5
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax	15 / 15
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

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
TSOC '16 Contest 1 #6 - Joey and Biology	12 / 12

Problem	Score
2spooky4me	7 / 7
Appleby Contest '19 P5 - Matrix Operation	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
Sum of Primes 2	5 / 5
Alphabet Score	3 / 3
A Noisy Class	7 / 7
Another Sorting	5 / 5
Avocado Trees!	5 / 5
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
Boxlings	15 / 15
Fast Search	15 / 15
BSSPC '21 S2 - Hacker Soup	7 / 7
BSSPC '21 S3 - James's Egirl Discord Status	7 / 7
Casino Crisis	12 / 12
Castle Invasion	10 / 10
Checkerboard Summation (Hard)	15 / 15
Cheerio Contest 1 S2 - School Expansion	7 / 7
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
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
Exam Prep	7 / 7
PEG Test '11 - Cyclopian Puzzle	10 / 10
Geography Class	5 / 5
Good Strategy	10 / 10
Good Debugging	17 / 17
King Graff's Trip	15 / 15
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P3 - Cable TV	7 / 7
Hardcore Grinding	5 / 5
HCI '16 - Oversleep	7 / 7
HCI '16 - Xorpow	10 / 10
HHPC1 P2 - Yuniformity Challenge	10 / 10
Word Scrambler	5 / 5
Knapsack 3	10 / 10
Lil' Jami	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P5 - Good Arrays	7 / 7
MMM '14 A - Distinct Prime Factors	7 / 7
Modulo Sort	5 / 5
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 10
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
Path Finder	1.500 / 10
Pick It	15 / 15
Postfix Notation	7 / 7
Prime Factorization	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Raytracing	10 / 10
RGPC '18 P3 - Chocolate Day	10 / 10
RTE '16 S3 - School Traversal	7 / 7
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Singularity Cup P4 - Staircase Sum	17 / 17
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Sleigh Ride	10 / 10
SMAC 08/09 (Oct) #3 - Jumpscotch	12 / 12
Coding Spree	7 / 7
The DMOJ Driveway	5 / 5
STNBD P2 - Claire Elstein	12 / 12
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Segment Tree Practice 3	15 / 15
A Subarray Problem	7 / 7
Sudoku Challenge	7 / 7
THICC '17 P1 - Carol's Carnivorous Plants	5 / 5
THICC '17 P5 - Smarties	7 / 7
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UACC 1 P3 - Cheeky Checkers	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P1 - Counterfeit Detection	3 / 3
UCC Coding Competition '21 P2 - Emerald Exchange	5 / 5
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
Intertwined Strings	7 / 7
UTS Open '18 P2 - ABCs	3 / 3
UTS Open '18 P3 - Restaurants	7 / 7
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
UTS Open '24 P3 - LXghts Out	10 / 10
UTS Open '24 P4 - Political Espionage	12 / 12
Valentine's Day '19 J3 - Love!	7 / 7
VPEX P4 - Etopika	12 / 12
XOR Minimum	17 / 17

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #2 Silver - 4 Nations, 1 Secret	10 / 10
VM7WC '15 #2 Gold - Uniting the Earth Empire	12 / 12
VM7WC '15 #4 Gold - Chain Rule	10 / 10
VM7WC '16 #1 Bronze - A New Prime Factorization	5 / 5
VM7WC '16 #2 Gold - GGG	15 / 15
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
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
WC '01 P3 - Back to the Future	5 / 5
WC '07 P3 - Strategy Meeting	10 / 10
WC '15 Finals S2 - Hydration	10 / 10
WC '18 Contest 1 S2 - Essay Generator	7 / 7
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 P1 - Betting	5 / 5
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 5 P1 - Number Pyramid	7 / 7
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5