User YidiChen

Points breakdown

26 / 26

AC | C++20

COCI '18 Contest 4 #5 Akvizna

on Aug. 10, 2022, 8:04 p.m.

30pp

weighted 100% (30pp)

100 / 100

AC | C++20

APIO '14 P2 - Split the Sequence

on July 10, 2022, 11:28 p.m.

25pp

weighted 95% (24pp)

100 / 100

AC | C++20

Inaho IX

on March 4, 2023, 2:46 a.m.

20pp

weighted 90% (18pp)

15 / 15

AC | C++20

CCC '23 S5 - The Filter

on Feb. 21, 2023, 1:10 a.m.

20pp

weighted 86% (17pp)

100 / 100

AC | C++20

Back From Summer '17 P6: Crowded Cities

on Aug. 19, 2022, 7:59 p.m.

20pp

weighted 81% (16pp)

100 / 100

AC | C++20

CEOI '16 P2 - Kangaroo

on Aug. 12, 2022, 8:48 p.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++20

IOI '02 P4 - Batch Scheduling

on July 8, 2022, 8:23 p.m.

20pp

weighted 74% (15pp)

100 / 100

AC | C++20

APIO '10 P1 - Commando

on July 5, 2022, 8:38 p.m.

20pp

weighted 70% (14pp)

100 / 100

AC | C++20

Educational DP Contest AtCoder Z - Frog 3

on July 4, 2022, 8:45 p.m.

20pp

weighted 66% (13pp)

100 / 100

AC | C++20

HCI '16 - Cheapest Operation Ever

on July 3, 2022, 2:00 a.m.

20pp

weighted 63% (13pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P2 - Alpaca Racing	5 / 5
An Animal Contest 1 P3 - Happy Alpacas	7 / 7
An Animal Contest 1 P4 - Alpaca Arrays	10 / 10
An Animal Contest 1 P6 - Alpaca Distancing	12 / 12
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 2 P4 - Koala Gambling	12 / 12
An Animal Contest 2 P5 - Koala Carnival	15 / 15
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 4 P1 - Dasher's Digits	5 / 5
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 4 P3 - Snowy Slopes	10 / 10
An Animal Contest 4 P4 - Reindeer Racing	10 / 10
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 5 P2 (Hard Version) - Permutations & Primes	10 / 10
An Animal Contest 5 P3 - Ski Resort	10 / 10
An Animal Contest 5 P4 - Number Game	12 / 12

Problem	Score
Another Contest 3 Problem 3 - Lexicographically Largest Common Subsequence	7 / 7
Another Contest 7 Problem 1 - Lonely Users	3 / 3
Another Contest 7 Problem 3 - Network Connections	10 / 10
Another Contest 8 Problem 1 - Trash Push	3 / 3
Another Contest 8 Problem 2 - Unnecessary Trash Push	3 / 3
Another Contest 8 Problem 3 - Replay Double Ignition	10 / 10
Another Contest 8 Problem 5 - U-Turn Finesse	15 / 15

Problem	Score
APIO '10 P1 - Commando	20 / 20
APIO '14 P2 - Split the Sequence	25 / 25

Problem	Score
Bulgarian OI '09 P2 - Boxen	12 / 12
Bulgarian OI '09 P4 - Frogs	12 / 12

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '02 S3 - Blindfold	10 / 15
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 J1 - Trident	3 / 3
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '04 S3 - Spreadsheet	10 / 10
CCC '04 S5 - Super Plumber	10 / 10
CCC '05 J5 - Bananas	10 / 10
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 S2 - Attack of the CipherTexts	0.100 / 5
CCC '06 S3 - Tin Can Telephone	12 / 12
CCC '07 J4 - Anagram Checker	5 / 5
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S3 - Friends	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S5 - Nukit	10 / 10
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 S2 - Huffman Encoding	5 / 5
CCC '10 S3 - Firehose	15 / 15
CCC '11 J5 - Unfriend	7 / 7
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S5 - Switch	12 / 12
CCC '12 J1 - Speed fines are not fine!	3 / 3
CCC '12 S3 - Absolutely Acidic	7 / 7
CCC '12 S4 - A Coin Game	15 / 15
CCC '12 S5 - Mouse Journey	7 / 7
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 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
CCC '14 S5 - Lazy Fox	20 / 20
CCC '15 J3 - Rövarspråket	5 / 5
CCC '15 J4 - Wait Time	5 / 5
CCC '15 J5 - π-day	10 / 10
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	17 / 17
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 J4 - Arrival Time	5 / 5
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 J4 - Favourite Times	5 / 5
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S3 - Nailed It!	7 / 7
CCC '17 S4 - Minimum Cost Flow	17 / 17
CCC '17 S5 - RMT	13.333 / 20
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 J3 - Cold Compress	5 / 5
CCC '19 J5 - Rule of Three	5.300 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S4 - Tourism	20 / 20
CCC '19 S5 - Triangle: The Data Structure	20 / 20
CCC '20 J4 - Cyclic Shifts	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 S3 - Good Samples	10 / 10
CCC '22 S4 - Good Triplets	15 / 15
CCC '23 S3 - Palindromic Poster	9.375 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
CCC '96 S5 - Maximum Distance	0.700 / 7
CCC '99 S1 - Card Game	5 / 5
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '15 J3 - Queens can't attack me!	5 / 5

User YidiChen

Points breakdown

AAC (190 points)

ACC (51 points)

APIO (45 points)

Baltic OI (10 points)

BlueBook (5 points)

Bulgarian OI (24 points)

CCC (866.808 points)

CCO (177 points)

CEOI (39.650 points)

China NOI (60 points)

Classics (37 points)

COCI (399 points)

Data Structure Tests (30.500 points)

DMOPC (668.100 points)

DWITE (64 points)

ECOO (72 points)

FHC (20 points)

GFSSOC (100 points)

ICPC (50 points)

IOI (45 points)

Mock CCC (115.467 points)

Mock CCO (57 points)

MWC (24 points)

Olympiads School (15 points)

SAC Coding Challenge (64 points)

Seasonal (209 points)

TLE (66 points)

TSOC (26 points)

Uncategorized (1116.900 points)

VM7WC (121 points)

WAC (12 points)

Waterloo Local (10 points)

Woburn Challenge (98 points)

YAC (7.500 points)

Problem	Score
CCO '05 P5 - Segments	10 / 10
CCO '10 P3 - Wowow	15 / 15
CCO '12 P2 - The Hungary Games	15 / 15
CCO '12 P5 - Sample Size	7 / 7
CCO '13 P2 - Tourney	12 / 12
CCO '14 P1 - Troyangles	10 / 10
CCO '14 P2 - King Gruff	15 / 15
CCO '14 P4 - Where's That Fuel?	7 / 7
CCO '15 P2 - Artskjid	15 / 15
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '18 P4 - Gradient Descent	15 / 15
CCO '20 P2 - Exercise Deadlines	15 / 15
CCO '21 P2 - Weird Numeral System	17 / 17
CCO '96 P5 - All Roads Lead Where?	7 / 7
CCO '98 P1 - Fibonacci Numbers	7 / 7

Problem	Score
CEOI '16 P2 - Kangaroo	20 / 20
CEOI '16 P4 - Match	4.650 / 15
CEOI '22 P2 - Homework	15 / 15

Problem	Score
NOI '00 P5 - Frogs Crossing the River	10 / 10
NOI '09 P3 - Modified Treap	20 / 20
NOIP '21 P1 - Saying Numbers	10 / 10
NOIP '21 P2 - Sequence	20 / 20

Problem	Score
Sorting	3 / 3
Longest Common Subsequence	7 / 7
Longest Increasing Subsequence	10 / 10
Quine	10 / 10
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 2 #2 ABC	3 / 3
COCI '06 Contest 5 #5 Ivana	15 / 15
COCI '07 Contest 1 #4 Zapis	15 / 15
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '07 Contest 4 #5 Poklon	15 / 15
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '10 Contest 3 #3 Ekipa	5 / 5
COCI '10 Contest 3 #5 Diferencija	12 / 12
COCI '10 Contest 7 #2 Kolo	5 / 5
COCI '10 Contest 7 #3 Gitara	7 / 7
COCI '12 Contest 3 #4 Aerodrom	7 / 7
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 3 #4 Coci	15 / 15
COCI '14 Contest 3 #5 Stogovi	15 / 15
COCI '14 Contest 5 #3 Traktor	7 / 7
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 '15 Contest 5 #3 Perica	10 / 10
COCI '16 Contest 2 #3 Nizin	10 / 10
COCI '16 Contest 3 #1 Imena	3 / 3
COCI '16 Contest 3 #2 Pohlepko	7 / 7
COCI '16 Contest 4 #2 Kartomat	5 / 5
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '17 Contest 1 #5 Deda	15 / 15
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '18 Contest 4 #3 Kisik	12 / 12
COCI '18 Contest 4 #5 Akvizna	30 / 30
COCI '18 Contest 6 #3 Sličice	10 / 10
COCI '19 Contest 5 #4 Putovanje	15 / 15
COCI '20 Contest 3 #1 Knjige	7 / 7
COCI '21 Contest 1 #1 Ljeto	5 / 5
COCI '21 Contest 6 #2 Zemljište	10 / 10
COCI '21 Contest 6 #3 Naboj	10 / 10
COI '06 #1 Patrik	12 / 12

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	10.500 / 15

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P2 - Phone Microwave	7 / 7
DMOPC '13 Contest 3 P3 - Crossing Field	5.600 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 2 P6 - Selective Cutting	12 / 12
DMOPC '14 Contest 3 P5 - Not Enough Servers!	20 / 20
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 2 P4 - Personal Assistant	12 / 12
DMOPC '15 Contest 3 P3 - Dimethylbenzene	7 / 7
DMOPC '15 Contest 5 P5 - World Line Convergence	15 / 15
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 1 P5 - Blood Tubes	12 / 12
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '16 Contest 4 P3 - Carnival Phantasm	10 / 10
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '16 Contest 4 P6 - Molly and Flying Drones	15 / 15
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 5 P1 - IOI 101	3 / 3
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
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 6 P1 - DNA or RNA?	3 / 3
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 1 P2 - Good Writing	7 / 7
DMOPC '19 Contest 3 P3 - Majority	12 / 12
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 4 P2 - Beautiful Grids	0.700 / 7
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 5 P3 - Bottom Row	4.500 / 15
DMOPC '20 Contest 5 P4 - Slacking Off	15 / 15
DMOPC '20 Contest 5 P5 - Slacking Off Again	2 / 20
DMOPC '20 Contest 5 P6 - Top Row	1.800 / 35
DMOPC '20 Contest 6 P1 - Tug of War	7 / 7
DMOPC '20 Contest 6 P2 - Interpretive Art	7 / 7
DMOPC '20 Contest 6 P3 - Bread Merchant	10 / 10
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 1 P1 - Partial Game	5 / 5
DMOPC '21 Contest 1 P2 - Folding Clothes	7 / 7
DMOPC '21 Contest 1 P3 - Mystery DAG	12 / 12
DMOPC '21 Contest 2 P1 - Bosses	7 / 7
DMOPC '21 Contest 2 P2 - Scrambling Swaps	7 / 7
DMOPC '21 Contest 2 P3 - Divisions	12 / 12
DMOPC '21 Contest 3 P1 - Sums & Differences	7 / 7
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMOPC '21 Contest 3 P3 - Hopping Frogs	15 / 15
DMOPC '21 Contest 4 P1 - Tree Shopping	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 4 P3 - Palindromic Presents	12 / 12
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 5 P3 - Permutations & Primes	12 / 12
DMOPC '21 Contest 5 P4 - Permutations & Primes	17 / 17
DMOPC '21 Contest 6 P1 - Bigger Big Integer	3 / 3
DMOPC '21 Contest 6 P2 - Gacha Luck	7 / 7
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 6 P4 - Colourful Paths	15 / 15
DMOPC '21 Contest 6 P5 - Contraband Game	3.300 / 25
DMPG '15 G6 - Yōkan	10.200 / 17
DMPG '15 S5 - Black and White	12 / 12
DMPG '16 S1 - Admin War II	5 / 5
DMPG '16 S5 - Pizza Bag	12 / 12
DMPG '17 G2 - Holy Grail War	17 / 17
DMPG '17 S2 - Anime Conventions	10 / 10

Problem	Score
DWITE '07 R2 #5 - Bridges In A Graph	7 / 7
DWITE '07 R4 #4 - Shortest path around	7 / 7
DWITE '08 R2 #2 - My favourite digit	3 / 3
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '09 R3 #2 - Rounding to Fibonacci	5 / 5
DWITE '09 R6 #2 - Round to power of two	3 / 3
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '10 R5 #2 - Safe from Rooks	5 / 5
DWITE '10 R5 #3 - Balancing Act	7 / 7
DWITE '11 R1 #2 - Penny Game	5 / 5
DWITE '12 R1 #4 - Trick or Tree'ing	5 / 5

Problem	Score
ECOO '15 R2 P3 - Lucas' Other Tower	10 / 10
ECOO '16 R1 P3 - Railway Sort	7 / 7
ECOO '16 R3 P3 - CamelCase	10 / 10
ECOO '17 R3 P2 - Family Trees	7 / 7
ECOO '18 R2 P2 - Homework	10 / 10
ECOO '19 R1 P1 - Free Shirts	5 / 5
ECOO '19 R1 P2 - L-Systems Go	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5
ECOO '21 P2 - DNA Derren	3 / 3
ECOO '21 P3 - Quintessential Questions	3 / 3
ECOO '21 P4 - Chris' Candy	7 / 7

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

Problem	Score
GFSSOC '14 Winter J5 - Pursuit of Knowledge	10 / 10
GFSSOC '14 Winter S4 - Stalactites	17 / 17
GFSSOC '15 Fall J4 - Marathon	7 / 7
GFSSOC '15 Fall J5 - Nightmare-a-thon	10 / 10
GFSSOC '15 Fall S4 - Mostly Talking	15 / 15
GFSSOC '15 Fall S5 - Raider	17 / 17
GFSSOC '15 Winter J5 - Secret Santa	7 / 7
GFSSOC '15 Winter S1 - OR-deal	5 / 5
GFSSOC '15 Winter S4 - Starry Nights	12 / 12

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
ICPC NAQ 2015 G - Safe Passage	10 / 10
ICPC PACNW 2016 A - Alphabet	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 '02 P4 - Batch Scheduling	20 / 20

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
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 1 J4 - Snowball Fight	5 / 5
Mock CCC '22 Contest 1 J5 - New Year's Restrictions	7 / 7
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 '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '18 Contest 3 S4 - A Graph Problem	10 / 10
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3
Mock CCC '22 1 S2 - IU	5 / 5
Mock CCC '22 1 S3 - IU	7 / 7
Riolku's Mock CCC S1 - Word Bot	3 / 3
Riolku's Mock CCC S2 - Keen Keener Sequence	0.467 / 7
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 '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem	10 / 10
Mock CCO '18 Contest 4 Problem 3 - Counterattack	15 / 15

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
Mynerva	7 / 7
OCC '19 B1 - Darcy_Liu	3 / 3
OCC '19 B2 - Cinematic	5 / 5

Problem	Score
SAC '21 Code Challenge P2 - Littering	5 / 5
SAC '21 Code Challenge P4 - Averaging Averages	5 / 5
SAC '22 Code Challenge 2 P1 - Calendar Management	5 / 5
SAC '22 Code Challenge 2 P2 - Cookie Sprinkler	5 / 5
SAC '22 Code Challenge 2 P3 - Rating Choices	7 / 7
SAC '22 Code Challenge 2 P4 - Cookie Galore	10 / 10
SAC '22 Code Challenge 2 P5 - Even Colouring	10 / 10
SAC '22 Code Challenge 5 Junior P5 - English Summative	10 / 10
SAC '22 Code Challenge 5 P3 - Querying Presents	7 / 7

Problem	Score
Back From Summer '17 P6: Crowded Cities	20 / 20
Back To School '16: Times Table	17 / 17
Back To School '17: Wet Mud	10 / 10
Back To School '17: New English	12 / 12
Back To School '18: The Golden Porcupine	15 / 15
Back To School '19: Parkour	5 / 5
Calendar Contest Problem 1 — Sexagenary Cycle	5 / 5
Canada Day Contest 2021 - Bob and Canada	7 / 7
Canada Day Contest 2021 - Fine Art	7 / 7
Canada Day Contest 2021 - CCC Bad Haha	12 / 12
Canada Day Contest 2021 - Starfall	15 / 15
Death Gun	7 / 7
Halloween '14 P2 - Cat Girls	12 / 12
MEC '16 P3 - Getting Good at Programming	10 / 10
MNYC '17: Hurontario	10 / 10
Piggy	7 / 7
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 '16 P7 - Old Christmas Lights	17 / 17

Problem	Score
Factorial Calculator	7 / 7
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax	15 / 15
TLE '16 Contest 7 P4 - Abstract Problem	10 / 10
TLE '16 Contest 8 P4 - Delivery Service	17 / 17
TLE '17 Contest 3 P3 - Fax's Thanksgiving Dish	10 / 10
TLE '17 Contest 7 P3 - Countless Calculator Computations	7 / 7

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
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
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P4 - Rectangles	5.950 / 7
Appleby Contest '19 P5 - Matrix Operation	10 / 10
ACSL '09 Practice P4 - Rank	7 / 7
A Digit Problem	12 / 12
Sum of Primes 2	5 / 5
A Noisy Class	7 / 7
A Plus B	3 / 3
Attraction	10 / 10
Palindromic Integer Partition	5 / 5
Big Deposits	7 / 7
List Minimum	3 / 3
Lexicographically Least Substring (Hard)	15 / 15
String Finding	5 / 5
Boolean	3 / 3
Brap Lesh Mafia	5 / 5
Bruce's Brittle Bridges	12 / 12
Fast Search	15 / 15
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
BSSPC '21 J2 - James and Youtube	3 / 3
BSSPC '21 J3 - Magic Paint Gun Cartridges	5 / 5
BSSPC '21 J5 - James and the Euclid Test	7 / 7
BSSPC '21 J6 - Lakshy and Orz Trees	12 / 12
Carnival Game	7 / 7
Castle Invasion	10 / 10
Allen's Segments	17 / 17
Checkerboard Summation (Hard)	15 / 15
Rock Climbing	5 / 5
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P4 - AQT and Directed Graph	12 / 12
Distinct Shapes	10 / 10
Counting Subsequences	10 / 10
Educational DP Contest AtCoder A - Frog 1	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 G - Longest Path	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
Deemo's Problem	15 / 15
Educational DP Contest AtCoder S - Digit Sum	12 / 12
Educational DP Contest AtCoder T - Permutation	15 / 15
Educational DP Contest AtCoder Z - Frog 3	20 / 20
Dynamic Sum	15 / 15
Exam Prep	7 / 7
Factors	7 / 7
Fibonacci Sequence (Harder)	17 / 17
Flip the Switches	5 / 5
PEG Test '11 - Cyclopian Puzzle	10 / 10
Good Debugging	17 / 17
King Graff's Defense	3.750 / 15
Graph Contest 1 P3 - Counting Cycles	10 / 10
Graph Contest 2 P1 - Connected Components	7 / 7
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Hardcore Grinding	5 / 5
HCI '16 - Oversleep	7 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
HCI '16 - Xorpow	10 / 10
Hello, World!	3 / 3
Word Scrambler	5 / 5
Inaho IX	20 / 20
Count The Triplets	7 / 7
Expected Inversions	12 / 12
Knapsack 3	10 / 10
Lil' Jami	5 / 5
LKP '18 Contest 1 P4 - Fun in Föràg	15 / 15
Love Evenness	5 / 5
Magic Bits	10 / 10
MALD Contest 1 P1 - Scratch Cat and DDoS	3 / 3
MALD Contest 1 P2 - Scratch Cat and Examinations	5 / 5
MALD Contest 1 P3 - Scratch Cat and Infestation	7 / 7
MALD Contest 1 P4 - Scratch Cat and Demolition	15 / 15
MALD Contest 1 P5 - Scratch Cat and Desktop Backgrounds	1.700 / 17
A Math Contest P1 - Arrays	5 / 5
A Math Contest P10 - Tricky Multisets	12 / 12
A Math Contest P11 - Weak Goldbach's Conjecture	15 / 15
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P3 - LIS Reconstruction	7 / 7
A Math Contest P4 - Circle Cutting	7 / 7
A Math Contest P5 - Good Arrays	7 / 7
A Math Contest P6 - Global Maximum	10 / 10
A Math Contest P7 - Factors	10 / 10
A Math Contest P8 - Permutation Counting	12 / 12
A Math Contest P9 - Buy Some Get Some	12 / 12
MMCC '14 P3 - Esdeath	15 / 15
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Odd Number	7 / 7
Olympic Scoring	3 / 3
Returning Home	10 / 10
Prefix Digits	7 / 7
Power Eggs	15 / 15
Pick It	15 / 15
Prime Factorization	5 / 5
Primes	3 / 3
Pulse	3 / 3
QCC P0 - Thermometer	3 / 3
QCC P2 - Online School	5 / 5
QCC P3 - Cohorts	0.500 / 10
RTE '16 S3 - School Traversal	7 / 7
The Cosmic Era P2 - Uneven Sand	5 / 5
Dynamic Range Minimum Test	12 / 12
Sleigh Ride	10 / 10
SMAC 08/09 (Oct) #3 - Jumpscotch	12 / 12
Special Relativity	10 / 10
Coding Spree	7 / 7
The DMOJ Driveway	5 / 5
STNBD P2 - Claire Elstein	12 / 12
Cute String Merging	15 / 15
A Subarray Problem	7 / 7
THICC '17 P5 - Smarties	7 / 7
Tropical Bananas	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UCC Coding Competition '21 P3 - Long Pizza	5 / 5
UCC Coding Competition '21 P5 - Woodcutting Game	10 / 10
UTS Open '21 P2 - Prime Array	10 / 10
UTS Open '21 P3 - Latin Class	10 / 10
Vending Machine	10 / 10
VPEX P4 - Etopika	12 / 12
A Very Coordinated Christmas	7 / 7
XOR Minimum	17 / 17
James' XOR Update	12 / 12

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
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 #5 Gold - Tree Planting	12 / 12
VM7WC '16 #2 Silver - GG	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 #6 Bronze - The Most Important Skill in Biology	3 / 3
VM7WC '16 #6 Gold - Cold War Telecom	10 / 10

Problem	Score
Wesley's Anger Contest 4 Problem 2 - Squirrel Election	7 / 7
Wesley's Anger Contest 5 Problem 1 - Matryoshka Acorns	5 / 5

Problem	Score
WC '07 P3 - Strategy Meeting	10 / 10
WC '16 Contest 1 S3 - Tricky's Treats	12 / 12
WC '16 Contest 3 S2 - Training Regimen	12 / 12
WC '17 Contest 3 S1 - Mutual Friends	10 / 10
WC '18 Contest 1 S3 - Reach for the Top	12 / 12
WC '18 Contest 2 S1 - Laser Grid	7 / 7
WC '18 Contest 3 J2 - Net Weight	5 / 5
WC '18 Contest 4 S1 - World of StarCraft	10 / 10
WC '18 Contest 4 S2 - Farming Simulator	15 / 15
WC '18 Finals J1 - Conditional Contracts	5 / 5