User do_ur_homwork

Points breakdown

90 / 100

AC | PYPY3

Phantom's Python Challenge

on Dec. 26, 2025, 7:50 p.m.

36pp

weighted 100% (36pp)

15 / 15

AC | C++20

CCC '26 S5 - On the Fence

on March 1, 2026, 10:20 p.m.

30pp

weighted 95% (29pp)

100 / 100

AC | C++23

UTS Open '15 #5 - Distribution Channel

on March 24, 2026, 2:34 a.m.

20pp

weighted 90% (18pp)

110 / 110

AC | C++14

COCI '19 Contest 1 #3 Džumbus

on March 20, 2026, 7:23 p.m.

20pp

weighted 86% (17pp)

15 / 15

AC | C++20

CCC '23 S5 - The Filter

on Jan. 27, 2026, 9:06 p.m.

20pp

weighted 81% (16pp)

50 / 100

AC | PY3

Hello, World! (Harder)

on Dec. 30, 2025, 8:09 p.m.

20pp

weighted 77% (15pp)

30 / 30

AC | JAVA

CCC '19 S4 - Tourism

on Nov. 23, 2025, 3:24 a.m.

20pp

weighted 74% (15pp)

60 / 100

TLE | C++14

Sixes

on Feb. 14, 2026, 5:03 p.m.

18pp

weighted 70% (13pp)

25 / 25

AC | C++23

CCO '22 P2 - Rainy Markets

on March 24, 2026, 11:46 p.m.

17pp

weighted 66% (11pp)

100 / 100

AC | C++23

Bubble Cup V8 B Bribes

on March 16, 2026, 8:20 p.m.

17pp

weighted 63% (11pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P4 - Number Game	12 / 12
An Animal Contest 7 P1 - Squirrnect 4	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 5 Problem 1 - Goat Fence	3 / 3
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 8 Problem 1 - Trash Push	3 / 3
Another Contest 9 Problem 2 - Counting Down the Days	7 / 7

Problem	Score
Baltic OI '01 P5 - Mars Maps	15 / 15
Baltic OI '01 P6 - Teleports	10 / 10
Baltic OI '03 P4 - The Gangs	12 / 12
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '07 P4 - Building a Fence	12 / 12
Baltic OI '15 P3 - Network	15 / 15
Baltic OI '17 P6 - Cat in a tree	15 / 15

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '07 P2 - Snowflakes	10 / 10
CCO '08 P5 - Candy	7 / 7
CCO '09 P6 - A Weighty Problem	12 / 12
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '11 P4 - Reorganization	7 / 7
CCO '12 P2 - The Hungary Games	15 / 15
CCO '13 P3 - LHC	12 / 12
CCO '14 P1 - Troyangles	10 / 10
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 '19 P1 - Human Error	10 / 10
CCO '20 P1 - A Game with Grundy	10 / 10
CCO '20 P2 - Exercise Deadlines	15 / 15
CCO '22 P2 - Rainy Markets	17 / 17
CCO '23 P1 - Binaria	12 / 12
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '96 P1 - Train Swapping	5 / 5
CCO '97 P2 - Alien Invasion	10 / 10
CCO '98 P5 - Text Segmentation	10 / 10
CCO '99 P4 - Maple Roundup	10 / 10

Problem	Score
CIW '25 P1 - Course Override	7 / 7
CIW '26 P1 - Shopping Mall	10 / 10
CIW '26 P2 - Number Shuffle	12 / 12
CIW '26 P3 - Gumball Machine	7 / 7
CIW '26 P4 - Videostore	12 / 12

User do_ur_homwork

Points breakdown

AAC (39 points)

ACC (16 points)

Baltic OI (89 points)

BlueBook (3 points)

Bubble Cup (17 points)

Bulgarian OI (12 points)

CCC (1376.600 points)

CCO (229 points)

CIW (48 points)

Classics (38 points)

COCI (418 points)

CTF (6 points)

Data Structure Tests (25 points)

DMOPC (442 points)

DWITE (34 points)

ECOO (17 points)

EGOI (29 points)

FHC (10 points)

GFSSOC (25 points)

Google Code Jam (5 points)

ICPC (24 points)

IOI (44 points)

JOI (35 points)

Mock CCC (158.367 points)

Mock CCO (26.200 points)

MWC (7 points)

POI (12 points)

SAC Coding Challenge (57 points)

Seasonal (149 points)

TLE (13 points)

TSOC (14 points)

Uncategorized (1026.425 points)

VM7WC (79 points)

WAC (21 points)

Waterloo Local (10 points)

Woburn Challenge (66 points)

YAC (5 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 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 S3 - Strategic Bombing	7 / 7
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J1 - 0123456789 (Hard)	5 / 5
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	9 / 15
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 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 S5 - Super Plumber	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 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	5.600 / 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 '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 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 J4 - From Prefix to Postfix	7 / 7
CCC '08 S1 - It's Cold Here!	3 / 3
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	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	5 / 5
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 J4 - Global Warming	5 / 5
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S1 - Computer Purchase	5 / 5
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '10 S3 - Firehose	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 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!	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 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 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
CCC '15 S4 - Convex Hull	15 / 15
CCC '15 S5 - Greedy For Pies	17 / 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 '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 '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 J5 - Rule of Three	10 / 20
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 J4 - Cyclic Shifts (Hard)	12 / 12
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 '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	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 '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	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '25 S5 - To-Do List	17 / 17
CCC '26 J1 - Concert Tickets	3 / 3
CCC '26 J2 - Olympic Scores	3 / 3
CCC '26 J3 - Creative Candy Consumption	3 / 3
CCC '26 J4 - Snail Path	5 / 5
CCC '26 S1 - Baby Hop, Giant Hop	5 / 5
CCC '26 S2 - Beams of Light	7 / 7
CCC '26 S3 - Common Card Choice	7 / 7
CCC '26 S4 - Minecarts	15 / 15
CCC '26 S5 - On the Fence	30 / 30
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 S2 - Nasty Numbers	5 / 5
CCC '98 S1 - Censor	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 '08 J3 - Phone book	5 / 5
CCCHK '15 J1 - Rock-paper-scissors	3 / 3
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
CCCHK '15 S5 - Can I pass the courses?	10 / 25

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

Problem	Score
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 2 #1 R2	3 / 3
COCI '06 Contest 3 #1 Patuljci	5 / 5
COCI '06 Contest 3 #2 N-puzzle	5 / 5
COCI '06 Contest 3 #5 Bicikli	15 / 15
COCI '06 Contest 6 #3 Maraton	5 / 5
COCI '07 Contest 2 #1 Bijele	3 / 3
COCI '07 Contest 3 #5 Cudak	15 / 15
COCI '07 Contest 4 #4 Muzicari	10 / 10
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 '09 Contest 1 #1 Note	3 / 3
COCI '09 Contest 2 #1 Faktor	3 / 3
COCI '09 Contest 3 #5 Patuljci	17 / 17
COCI '09 Contest 7 #5 Kraljevi	15 / 15
COCI '10 Contest 5 #5 Dvoniz	12 / 12
COCI '10 Contest 6 #4 Abeceda	10 / 10
COCI '11 Contest 5 #3 Dna	10 / 10
COCI '12 Contest 6 #1 Baka	3 / 3
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 6 #4 Kratki	10 / 10
COCI '14 Contest 7 #5 Prosjek	15 / 15
COCI '16 Contest 1 #3 Cezar	10 / 10
COCI '16 Contest 1 #4 Mag	15 / 15
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '17 Contest 1 #3 Lozinke	5 / 5
COCI '17 Contest 6 #3 Mate	12 / 12
COCI '17 Contest 7 #1 Prosjek	5 / 5
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '19 Contest 1 #3 Džumbus	20 / 20
COCI '19 Contest 2 #3 Checker	12 / 12
COCI '19 Contest 5 #4 Putovanje	15 / 15
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '20 Contest 2 #4 Sjekira	12 / 12
COCI '20 Contest 6 #1 Bold	5 / 5
COCI '22 Contest 2 #4 Prijateljice	12 / 12
COCI '22 Contest 4 #2 Zrinka	10 / 10
COCI '22 Contest 5 #3 Logaritam	12 / 12
COCI '24 Contest 1 #2 Skokovi	7 / 7
COCI '07 Regional #2 Nikola	10 / 10

Problem	Score
DMOJ Capture The Flag '20 G1 - Sanity Check	3 / 3
DMOJ Capture The Flag '20 G2 - Where's the flag?	3 / 3

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
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 P1 - Logging Log	3 / 3
DMOPC '14 Contest 2 P4 - Deforestation	7 / 7
DMOPC '14 Contest 3 P1 - Not Enough Users!	3 / 3
DMOPC '14 Contest 3 P4 - Not Enough Testers!	10 / 10
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P1 - New Key	3 / 3
DMOPC '14 Contest 4 P2 - Redirection	3 / 3
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Contest 5 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P2 - Longest Tunnel	3 / 3
DMOPC '14 Contest 6 P1 - Finding Bessarion	3 / 3
DMOPC '14 Contest 7 P1 - Flare	3 / 3
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '14 Exam Time P1 - French Homework	3 / 3
DMOPC '14 Exam Time P4 - Exam Delay	10 / 10
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 2 P6 - Manhattan Magnets	17 / 17
DMOPC '15 Contest 3 P1 - Quality Scenes	3 / 3
DMOPC '15 Contest 4 P1 - Dictionary	3 / 3
DMOPC '15 Contest 5 P1 - Gel Bananas	3 / 3
DMOPC '15 Contest 5 P4 - Steins;Number	12 / 12
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
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 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 3 P0 - Negative Feedback	3 / 3
DMOPC '16 Contest 3 P1 - Leading Basic Shots	3 / 3
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 1 P4 - Quests	12 / 12
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 2 P3 - Bad Bunnies	10 / 10
DMOPC '17 Contest 3 P0 - 2-Satisfiability	3 / 3
DMOPC '17 Contest 3 P1 - An Early Christmas Present	3 / 3
DMOPC '17 Contest 4 P0 - Catch	3 / 3
DMOPC '17 Contest 5 P0 - Mimi and Pizza	3 / 3
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 2 P0 - Mimi and Video Games	3 / 3
DMOPC '18 Contest 2 P1 - Pumpkin Patches	3 / 3
DMOPC '18 Contest 2 P4 - Damage Output	7 / 7
DMOPC '18 Contest 3 P0 - Bob and ICS Class	3 / 3
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 5 P3 - A Familiar Problem	7 / 7
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 4 P3 - Roving Roombas	12 / 12
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 10 P3 - Peculiar Reflections	12 / 12
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMPG '17 S2 - Anime Conventions	10 / 10
DMPG '18 G5 - Triangles	15 / 15

Problem	Score
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 R5 #2 - Safe from Rooks	5 / 5
DWITE '11 R4 #2 - Prime Time	5 / 5

Problem	Score
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R2 P1 - Email	5 / 5

Problem	Score
EGOI '21 P2 - Luna Likes Love	12 / 12
EGOI '22 P1 - SubsetMex	10 / 10
EGOI '23 P1 - Inflation	7 / 7

Problem	Score
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15

Problem	Score
CERC '07 B - Strange Billboard	10 / 10
ICPC PACNW 2016 A - Alphabet	7 / 7
ICPC PACNW 2016 C - Cameras	7 / 7

Problem	Score
IOI '08 P1 - Type Printer	12 / 12
IOI '13 P4 - Cave	10 / 10
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 '05 Final Round P5 - Sheets	15 / 15
JOI '16 Final P1 - Foehn Phenomena	10 / 10

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	3 / 3
Mock CCC '20 S1 - War	3 / 3
Mock CCC '20 S2 - Flipper Redux	7 / 7
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 J3 - String Crossing Maximization	7 / 7
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
Mock CCC '23 Contest 1 J3 - Pairing Gifts	5 / 5
Mock CCC '24 Contest 1 J1 - Lemon Bathtub	3 / 3
Mock CCC '24 Contest 1 J3 - RGB Words	5 / 5
Mock CCC '14 J1 - Love Overdose	3 / 3
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
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 1 J2 - A Substring Problem	3 / 3
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 J1 - An Arithmetic Problem	0.200 / 3
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem	10 / 10
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 5 J1 - Looking for the CCC	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 2 J1 - Tudor Drinks Some Tea	3 / 3
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea	3 / 3
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea	3 / 3
Riolku's Mock CCC S2 - Keen Keener Sequence	7 / 7
Valentine's Day '18 J1 - The Cactus Number	3 / 3
Valentine's Day '18 J2 - Stop the Scammer	0.167 / 5
Valentine's Day '18 J3 - Are they cute?	5 / 5

Problem	Score
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10
Mock CCO '18 Contest 4 Problem 1 - Mining for Minerals	15 / 15
Mock CCO '18 Contest 4 Problem 3 - Counterattack	1.200 / 15

Problem	Score
SAC '22 Code Challenge 1 P1 - That Teacher	3 / 3
SAC '22 Code Challenge 2 P3 - Rating Choices	7 / 7
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 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 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 P1 - Querying Plants	3 / 3
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5
SAC '22 Code Challenge 5 P3 - Querying Presents	7 / 7

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '16: Cherry Tree	12 / 12
Back To School '17: 🅱aram🅱e	3 / 3
Back To School '17: Wet Mud	10 / 10
Back To School '17: Sour Candy	15 / 15
Back To School '18: Letter Frequency	7 / 7
CCCJQR P3	7 / 7
CCCJQR P5	15 / 15
Death Gun	7 / 7
Halloween '14 P2 - Cat Girls	12 / 12
Max's Anger Contest Series 1 P1 - Hunger Bar	3 / 3
MEC '16 P3 - Getting Good at Programming	10 / 10
Miracle Sort	3 / 3
Piggy	7 / 7
Sword Art Online Judge	7 / 7
Too Simple	7 / 7
Is it a Tree?	7 / 7
New Year's '17 P1 - Mr. N and Presents	7 / 7

Problem	Score
TLE '16 Contest 2 P1 - In Debt	3 / 3
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Mirrored Pairs	3 / 3
A20 Gate	5 / 5
Triple Fat Ladies	5 / 5
AAAA 1 P1 - Even-Odd Sort	7 / 7
AAAA 1 P2 - Heavy-Light Composition	7 / 7
AAAA 1 P3 - Topographical Sort	3.600 / 12
Appleby Contest '19 P1 - Darcy's Debilitating Demands	3 / 3
Appleby Contest '19 P2 - The Love Letter	5 / 5
Appleby Contest '19 P4 - Rectangles	7 / 7
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
A Coin Problem	12 / 12
A Harder Game	6 / 15
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 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Arcadia Computing Contest 2 P4 - Choose Your Own Adventure!	7 / 7
Arcadia Computing Contest 2 P5 - lp0 is on fire!	10 / 10
Amplitude Hackathon '23 Problem 3 - Dedupe	5 / 5
Amplitude Hackathon '23 Problem 4 - Frequency Queries	7 / 7
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	5 / 5
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos	5 / 5
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling	3 / 3
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office?	3 / 3
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop	5 / 5
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement	5 / 5
Amplitude Hackathon Summer '24 Problem 5 - Lunch Costs	5 / 5
Amplitude Hackathon Winter '24 Problem 1 - Twila's Walk	3 / 3
Amplitude Hackathon Summer '25 Problem 1 - AI (Easy)	3 / 3
Amplitude Hackathon Summer '25 Problem 2 - AI (Also Easy)	3 / 3
Amplitude Hackathon Winter '25 Problem 1 - One-Letter Variable Names	3 / 3
Amplitude Hackathon Winter '25 Problem 6 - 7	10 / 10
A Noisy Class	7 / 7
Another Sorting	5 / 5
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
PEG Test '14 - Water	3 / 3
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
Lexicographically Least Substring	5 / 5
Boolean	3 / 3
Boxlings	15 / 15
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
Back to School '24 P1 - Kicking	5 / 5
Coin Change	7 / 7
Cheerio Contest 1 J3 - Festival	5 / 5
3n+1	3 / 3
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Dr. Anne Anderson Coding Contest 1 P4 - Lighting	5 / 5
Dr. Anne Anderson Coding Contest 1 P6 - Designing An Academic Course Calendar	10 / 10
Dilhan's Computing Contest 1 P2 - Square Sum	12 / 12
Double Doors Regional P6 - Tudor Learns More DDR	17 / 17
Maximum Sum	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 F - LCS	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder T - Permutation	15 / 15
Exam Prep	7 / 7
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
Foxlings	10 / 10
PEG Test '11 - Cyclopian Puzzle	10 / 10
Good Aim	10 / 10
King Graff's Trip	15 / 15
Graph Contest 1 P2 - Shortest Path	5 / 5
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
Hailstone Numbers	3 / 3
Halves	12 / 12
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
Hello, World! (Harder)	20 / 40
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Word Scrambler	5 / 5
Count The Triplets	7 / 7
Knapsack 3	10 / 10
MALD Contest 1 P2 - Scratch Cat and Examinations	2.500 / 5
MMCC '14 P3 - Esdeath	15 / 15
Modulo Sort	5 / 5
Negative Ones	10 / 10
OCC '19 S2 - Rimuru's Number Game	5 / 5
Another Small Favour	5.685 / 15
OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt	10 / 10
Path Finder	1.500 / 10
Perl Golf	1.260 / 15
Phantom's Python Challenge	35.880 / 40
PIB '20 P1 - Marcus and Head Bonks	3 / 3
Confirmation Bias	10 / 10
Postfix Notation	7 / 7
Prime Factorization	5 / 5
VMSS Pre-Windsor P7 - Going Back to the Definitions	7 / 7
Self-deception	15 / 15
Disclosure	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
Summing A Sequence	7 / 7
Python Infinite Loop	7 / 7
Sixes	18 / 30
Sleigh Ride	10 / 10
Coding Spree	7 / 7
Stacked	7 / 7
STNBD P1 - Ren Ashbell	3 / 3
Segment Tree Practice 4	17 / 17
Subway Routes	12 / 12
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
Tetration	12 / 12
Threes	3 / 3
Tree Tasks	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
Intertwined Strings	7 / 7
UTS Open '15 #5 - Distribution Channel	20 / 20
UTS Open '18 P3 - Restaurants	7 / 7
Valentine's Day '19 J3 - Love!	7 / 7
XORacci Tree	17 / 17

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #4 Gold - Chain Rule	10 / 10
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
Wesley's Anger Contest 1 Problem 2 - A Minimum Cost Flow Problem	7 / 7
Wesley's Anger Contest 2 Problem 1 - OCT 31 = DEC 25?	3 / 3
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor	3 / 3
Wesley's Anger Contest Reject 2 - 🥕suba	3 / 3
Wesley's Anger Contest Reject 5 - Two Permutations	5 / 5

Problem	Score
WC '15 Contest 2 J1 - A New Hope	3 / 3
WC '15 Contest 2 S2 - Attack of the Clones	12 / 12
WC '15 Finals S2 - Hydration	10 / 10
WC '16 Contest 1 J1 - A Spooky Season	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 '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 2 S1 - Laser Grid	7 / 7
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3
WC '18 Contest 4 S1 - World of StarCraft	10 / 10
WC '96 P6 - Bases Multiplication	5 / 5