User yzhao123

Points breakdown

25 / 25

AC | C++20

CCO '18 P5 - Boring Lectures (Online Version)

on April 27, 2022, 10:37 p.m.

30pp

weighted 100% (30pp)

100 / 100

AC | C++20

BPC 1 S4 - Binary Matrices

on June 12, 2022, 2:26 p.m.

25pp

weighted 95% (24pp)

120 / 120

AC | JAVA8

COCI '08 Contest 4 #5 Trezor

on Jan. 5, 2021, 5:01 a.m.

25pp

weighted 90% (23pp)

100 / 100

AC | JAVA8

TLE '16 Contest 1 P6 - A Very Normal Test

on Dec. 18, 2020, 4:13 a.m.

25pp

weighted 86% (21pp)

100 / 100

AC | JAVA8

UTS Open '15 #3 - Pogo

on Dec. 16, 2020, 2:40 p.m.

25pp

weighted 81% (20pp)

100 / 100

AC | TEXT

DMOPC '22 Contest 5 P6 - Threes and Twos

on June 9, 2023, 4:00 p.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++20

DMOPC '22 Contest 2 P4 - Falling Leaves

on Nov. 19, 2022, 5:34 p.m.

20pp

weighted 74% (15pp)

100 / 100

AC | TEXT

DMOPC '21 Contest 10 P5 - Number Theory

on June 26, 2022, 8:51 p.m.

20pp

weighted 70% (14pp)

18 / 18

AC | C++20

CCO '12 P3 - Mhocskian Languages

on April 29, 2022, 12:47 a.m.

20pp

weighted 66% (13pp)

100 / 100

AC | C++20

Back From Summer '17 P6: Crowded Cities

on April 28, 2022, 8:53 p.m.

20pp

weighted 63% (13pp)

Problem	Category	Points
CCC '24 S1 - Hat Circle	CCC	3p
CCC '24 S3 - Swipe	CCC	10p
DMOPC '22 Contest 2 P3 - Good Permutations	DMOPC	12p
DMOPC '22 Contest 2 P4 - Falling Leaves	DMOPC	20p
DMOPC '22 Contest 3 P1 - Holiday Colouring	DMOPC	5p
DMOPC '22 Contest 3 P2 - New Components	DMOPC	10p
DMOPC '22 Contest 4 P2 - Fake Painting	DMOPC	10p
DMOPC '22 Contest 4 P5 - Blackboard Game	DMOPC	17p
DMOPC '22 Contest 5 P1 - Triple Triplets	DMOPC	5p
DMOPC '22 Contest 5 P2 - Absolutely Even	DMOPC	7p
DMOPC '22 Contest 5 P3 - Sorted XOR	DMOPC	12p
DMOPC '22 Contest 5 P4 - Ricochet	DMOPC	17p
DMOPC '23 Contest 1 P1 - Peak Grid	DMOPC	5p
DMOPC '23 Contest 1 P2 - Knights on Chessboard	DMOPC	10p
DMOPC '23 Contest 1 P3 - Colour Scheme	DMOPC	12p

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 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 P4 - Koala Gambling	12 / 12
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
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 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 5 P3 - Ski Resort	10 / 10
An Animal Contest 5 P4 - Number Game	12 / 12
An Animal Contest 5 P6 - Larry Finally Uses His Magical Powers	2.500 / 25
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 7 P1 - Squirrnect 4	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 7 Problem 1 - Lonely Users	3 / 3
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
Another Contest 9 Problem 1 - Black Room Boy	3 / 3
Another Contest 9 Problem 2 - Counting Down the Days	7 / 7
Another Contest 9 Problem 3 - Sun & Moon	12 / 12

Problem	Score
Baltic OI '07 P3 - Sound	0.769 / 10
Baltic OI '18 P5 - Genetics	18.500 / 25

Problem	Score
BlueBook - 10 Primes on a Line	5 / 5
BlueBook - Sieve	5 / 5
BlueBook - Prime	3 / 3

User yzhao123

Points breakdown

Authored problems (15)

AAC (158.500 points)

ACC (56 points)

APIO (20 points)

Baltic OI (19.269 points)

BlueBook (13 points)

CCC (656.966 points)

CCO (237 points)

China NOI (20.500 points)

Classics (42 points)

COCI (289.168 points)

CTF (3 points)

Data Structure Tests (67 points)

DMOPC (1384.400 points)

DWITE (77 points)

ECOO (49 points)

FHC (12 points)

GFSSOC (55 points)

ICPC (48 points)

IOI (45.750 points)

Mock CCC (149.400 points)

Mock CCO (68.750 points)

MWC (15 points)

Olympiads School (24.500 points)

SAC Coding Challenge (50 points)

Seasonal (123.750 points)

SIUCF (30 points)

TLE (55 points)

TSOC (12 points)

Uncategorized (1140.500 points)

VM7WC (68 points)

Woburn Challenge (27.889 points)

YAC (162.500 points)

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
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 J2 - Picture Perfect	3 / 3
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S4 - Substrings	15 / 15
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '04 J1 - Squares	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '04 J4 - Simple Encryption	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '04 S5 - Super Plumber	8 / 10
CCC '05 J2 - RSA Numbers	3 / 3
CCC '05 J4 - Cross Spiral	7 / 7
CCC '05 J5 - Bananas	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J2 - Roll the Dice	3 / 3
CCC '07 J1 - Who is in the Middle?	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 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
CCC '08 S4 - Twenty-four	10 / 10
CCC '08 S5 - Nukit	10 / 10
CCC '09 J1 - ISBN	3 / 3
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	10 / 10
CCC '09 S5 - Wireless	12 / 12
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '10 J5 - Knight Hop	7 / 7
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 S1 - English or French?	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S4 - Blood Distribution	7.500 / 15
CCC '12 S1 - Don't pass me the ball!	3 / 3
CCC '12 S5 - Mouse Journey	7 / 7
CCC '13 J1 - Next in line	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 '13 S5 - Factor Solitaire	15 / 15
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '15 J5 - π-day	10 / 10
CCC '15 S1 - Zero That Out	3 / 3
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 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	5.133 / 7
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	12 / 12
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S5 - Triangle: The Data Structure	5.333 / 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 '21 J3 - Secret Instructions	5 / 5
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S4 - Daily Commute	12 / 12
CCC '21 S5 - Math Homework	15 / 15
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '24 S1 - Hat Circle	3 / 3
CCC '24 S3 - Swipe	10 / 10
CCC '97 S2 - Nasty Numbers	5 / 5
CCC '99 S4 - A Knightly Pursuit	12 / 12

Problem	Score
CCO '08 P5 - Candy	7 / 7
CCO '10 P3 - Wowow	15 / 15
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '11 P2 - Vampire Tunnels	15 / 15
CCO '12 P2 - The Hungary Games	15 / 15
CCO '12 P3 - Mhocskian Languages	20 / 20
CCO '13 P1 - All Your Base Belong to Palindromes	10 / 10
CCO '13 P2 - Tourney	12 / 12
CCO '13 P3 - LHC	12 / 12
CCO '14 P1 - Troyangles	10 / 10
CCO '15 P2 - Artskjid	15 / 15
CCO '17 P2 - Cartesian Conquest	4 / 20
CCO '17 P5 - Professional Network	20 / 20
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '18 P5 - Boring Lectures	20 / 20
CCO '18 P5 - Boring Lectures (Online Version)	30 / 30
CCO '23 P1 - Binaria	12 / 12

Problem	Score
NOIP '18 P1 - Paving Roads	7 / 7
NOIP '18 P2 - Currency System	3.500 / 10
NOIP '21 P1 - Saying Numbers	10 / 10

Problem	Score
2-Dimensional Range Minimum Query	17 / 17
Sorting	3 / 3
Next Prime	5 / 5
Longest Common Subsequence	7 / 7
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 4 #4 Zbrka	12 / 12
COCI '06 Contest 4 #6 Ispiti	20 / 20
COCI '06 Contest 5 #5 Ivana	15 / 15
COCI '07 Contest 2 #4 Turbo	15 / 15
COCI '07 Contest 2 #5 Kemija	15 / 15
COCI '07 Contest 5 #5 Barica	15 / 15
COCI '07 Contest 6 #4 George	15 / 15
COCI '08 Contest 3 #5 BST	20 / 20
COCI '08 Contest 4 #5 Trezor	25 / 25
COCI '09 Contest 2 #3 Kutevi	7 / 7
COCI '10 Contest 3 #5 Diferencija	7.200 / 12
COCI '13 Contest 2 #4 Putnik	12 / 12
COCI '14 Contest 1 #5 Zabava	4.286 / 15
COCI '14 Contest 1 #6 Kamp	20 / 20
COCI '14 Contest 7 #3 ACM	12 / 12
COCI '14 Contest 7 #4 Janje	15 / 15
COCI '17 Contest 2 #3 Doktor	10 / 10
COCI '18 Contest 6 #3 Sličice	10 / 10
COCI '20 Contest 4 #3 Hop	0.682 / 25
COCI '21 Contest 1 #1 Ljeto	5 / 5
COI '06 #1 Patrik	12 / 12
COCI '07 Regional #2 Nikola	10 / 10

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15
Binary Search Tree Test	15 / 15
Strict Evaluation	17 / 17

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 1 P6 - Biology Homework	17 / 17
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 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 P1 - Core Drill	3 / 3
DMOPC '14 Contest 5 P2 - Longest Tunnel	3 / 3
DMOPC '14 Exam Time P4 - Exam Delay	10 / 10
DMOPC '14 Exam Time P5 - Happy Teachers	15 / 15
DMOPC '15 Contest 1 P5 - Lelei and Dragon Scales	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '15 Contest 3 P4 - Contagion	12 / 12
DMOPC '15 Contest 4 P4 - Great Sequence	10 / 10
DMOPC '15 Contest 4 P5 - Scribe	15 / 15
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '15 Contest 6 P5 - A Classic Problem	10 / 10
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 1 P1 - A New Chapter	3 / 3
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 P6 - Console Simulator 2017	11.400 / 12
DMOPC '16 Contest 3 P0 - Negative Feedback	3 / 3
DMOPC '16 Contest 3 P3 - Phantom Fight	10 / 10
DMOPC '16 Contest 4 P4 - Molly and Manga Shopping	15 / 15
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '16 Contest 4 P6 - Molly and Flying Drones	15 / 15
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 1 P4 - Quests	12 / 12
DMOPC '17 Contest 1 P5 - Intimidating Arrays	15 / 15
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 P1 - An Early Christmas Present	3 / 3
DMOPC '17 Contest 3 P2 - Towers of Hanoi	7 / 7
DMOPC '17 Contest 4 P2 - A Heavy Light Decomposition Problem	4.200 / 7
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 1 P3 - Sorting	12 / 12
DMOPC '18 Contest 1 P4 - Sorting	6 / 12
DMOPC '18 Contest 1 P5 - Sorting	6 / 12
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 6 P1 - DNA or RNA?	3 / 3
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 1 P0 - Range Finding	3 / 3
DMOPC '19 Contest 1 P1 - Test Scores	5 / 5
DMOPC '19 Contest 2 P0 - Roller Coaster	3 / 3
DMOPC '19 Contest 2 P1 - Box and Whiskers	5 / 5
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 2 P3 - Selection	12 / 12
DMOPC '19 Contest 3 P1 - Mode Finding	5 / 5
DMOPC '19 Contest 4 P0 - Yikes	3 / 3
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '19 Contest 5 P2 - Charlie's Crazy Conquest	5 / 5
DMOPC '19 Contest 6 P0 - Trivial Math	3 / 3
DMOPC '19 Contest 6 P4 - Grade 12 Math	15 / 15
DMOPC '19 Contest 7 P0 - Contest Feedback	3 / 3
DMOPC '19 Contest 7 P4 - Bob and Continued Fractions	20 / 20
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '20 Contest 1 P3 - Victor's Algorithm	7 / 7
DMOPC '20 Contest 1 P4 - Victor Makes Bank	17 / 17
DMOPC '20 Contest 1 P5 - Victor Takes Over Canada	1.700 / 17
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 2 P2 - Lousy Christmas Presents	5 / 5
DMOPC '20 Contest 2 P3 - Roadrollification	10 / 10
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks	7 / 7
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 4 P2 - Beautiful Grids	2.100 / 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	15 / 15
DMOPC '20 Contest 5 P4 - Slacking Off	4.500 / 15
DMOPC '20 Contest 5 P5 - Slacking Off Again	20 / 20
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 '20 Contest 7 P2 - Alice and Tiles	10 / 10
DMOPC '21 Contest 10 P1 - Japaneasy	5 / 5
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 10 P3 - Peculiar Reflections	12 / 12
DMOPC '21 Contest 10 P4 - Bitwise Telephone	5.900 / 17
DMOPC '21 Contest 10 P5 - Number Theory	20 / 20
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	4.800 / 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 4 P4 - Christmas Graph	0.900 / 17
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	3.400 / 17
DMOPC '21 Contest 5 P6 - Permutations & Primes	1.200 / 25
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
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMOPC '21 Contest 7 P3 - Whack-an-Ishigami	12 / 12
DMOPC '21 Contest 7 P4 - Rocket Race	17 / 17
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 8 P2 - Kanna Market	10 / 10
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMOPC '21 Contest 9 P3 - Terrible Trains	12 / 12
DMOPC '21 Contest 9 P4 - Ace of Diamonds	5 / 20
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 1 P2 - Hat Swap	10 / 10
DMOPC '22 Contest 1 P3 - Group Project	12 / 12
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 2 P2 - Line Trace	7 / 7
DMOPC '22 Contest 2 P3 - Good Permutations	12 / 12
DMOPC '22 Contest 2 P4 - Falling Leaves	20 / 20
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 3 P2 - New Components	10 / 10
DMOPC '22 Contest 3 P3 - Ina's Takodachis	15 / 15
DMOPC '22 Contest 3 P5 - Alice Rebalancing	4 / 20
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '22 Contest 4 P3 - K-Knight	15 / 15
DMOPC '22 Contest 4 P4 - Anki Reviews	17 / 17
DMOPC '22 Contest 4 P5 - Blackboard Game	17 / 17
DMOPC '22 Contest 4 P6 - K-Sort	3 / 30
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '22 Contest 5 P3 - Sorted XOR	12 / 12
DMOPC '22 Contest 5 P4 - Ricochet	17 / 17
DMOPC '22 Contest 5 P6 - Threes and Twos	20 / 20
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMOPC '23 Contest 1 P3 - Colour Scheme	12 / 12
DMPG '15 S5 - Black and White	12 / 12
DMPG '17 S1 - Molly and Difference	5 / 5
DMPG '17 S2 - Anime Conventions	7 / 7
DMPG '18 B2 - Mimi and Modulus	3 / 3
DMPG '18 G1 - Musical Chairs	10 / 10
DMPG '18 G6 - Class Chitchat	20 / 20
DMPG '18 S5 - Mimi and Division	15 / 15
DMPG '19 S1 - Candy Shop Tycoon	5 / 5

Problem	Score
DWITE '07 R3 #3 - Playlist	7 / 7
DWITE '08 R2 #4 - Big shiny tunes	7 / 7
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '09 R3 #5 - Up To Four Colours	12 / 12
DWITE '09 R6 #4 - Time for Change	7 / 7
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '11 R1 #5 - Tattarrattat	10 / 10
DWITE '11 R4 #4 - Lego Ladder	10 / 10
DWITE '12 R5 #3 - Triangle Count	7 / 7

Problem	Score
ECOO '13 R1 P1 - Take a Number	5 / 5
ECOO '13 R3 P4 - Tour de Force	12 / 12
ECOO '15 R1 P4 - Neanderthal Numbers	10 / 10
ECOO '16 R3 P3 - CamelCase	10 / 10
ECOO '20 P4 - Ring	12 / 12

Problem	Score
GFSSOC '14 Winter S3 - Hide n Seek	6 / 12
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

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 C3 A - A Research Project	3 / 3
ICPC ECNA 2005 F - Square Count	15 / 15
ICPC NAQ 2016 D - Brackets	15 / 15
ICPC PACNW 2016 A - Alphabet	7 / 7

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '01 P1 - Mobile Phones	15 / 15
IOI '07 P4 - Miners	3.750 / 15
IOI '09 P4 - Raisins	10 / 10
IOI '94 P1 - The Triangle	7 / 7

Problem	Score
Mock CCC '22 Contest 2 J5 - Dominating the Olympics	10 / 10
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 '23 Contest 1 J4 - String Decryption	5 / 5
Mock CCC '23 Contest 1 J5 - Calculus Problem	2.400 / 12
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Mock CCC '22 2 S2 - Kaguya Wants to Grow the Student Council	10 / 10
Mock CCC '22 2 S3 - Kaguya Wants to Analyze the Academy Anthem	12 / 12
Mock CCC '23 1 S1 - Composite Fibonacci Numbers	5 / 5
Mock CCC '23 1 S2 - Keenan Hates Triangles	5 / 5
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	3 / 3
Mock CCC '23 2 S2 - Keenan Hates Triangles	7 / 7
Mock CCC '23 2 S3 - Richard The Penguin	6 / 10
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	7 / 7
Mock CCC '21 S1 - Edit Distance	5 / 5
Mock CCC '21 S2 - Colorful Strings	7 / 7
Mock CCC '21 S3 - Lexicographically Smallest Permutation Subsequence	10 / 10
Mock CCC '22 1 S1 - Big Mattress Tournament	5 / 5
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	7 / 7
Riolku's Mock CCC S3 - Mosey's Birthday	12 / 12

Problem	Score
CCO Preparation Test 1 P3 - K-th Rank Student	17 / 17
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
Mock CCO '18 Contest 4 Problem 3 - Counterattack	12.750 / 15

Problem	Score
MWC '15 #2 P2: Towering Towers	10 / 10
MWC '15 #7 P2: Thief in the Night	5 / 5

Problem	Score
A Sum Problem	12 / 12
Least Multiple	6.500 / 10
Three Subarrays	6 / 20

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 '21 Code Challenge P5 - Friends of Friends	7 / 7
SAC '22 Code Challenge 2 P2 - Cookie Sprinkler	5 / 5
SAC '22 Code Challenge 4 Junior P5 - Obligatory Output Only Problem	10 / 10
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5

Problem	Score
Back From Summer '17 P6: Crowded Cities	20 / 20
Back To School '16: Cherry Tree	12 / 12
Back To School '17: Big Integer	1.750 / 35
Back To School '18: The Golden Porcupine	15 / 15
Canada Day Contest 2021 - Bob and Canada	7 / 7
DS '19 Day 2 P3 Inaho C	7 / 35
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
Valentine's Day '15 P2 - Simon and Marcy	7 / 7
New Year's '17 P6 - Christmas Cards	15 / 15
New Year's '18 P2 - Mimi and Christmas Cake	5 / 5

Problem	Score
Summer Institute '17 Contest 1 P2 - Bernard	10 / 10
Summer Institute '17 Contest 1 P5 - Crazy Math	15 / 15
Summer Institute '17 Contest 1 P8 - Mo' Money	5 / 5

Problem	Score
TLE '15 P5 - Prefix Sum Array	15 / 15
TLE '16 Contest 1 P6 - A Very Normal Test	25 / 25
TLE '16 Contest 7 P4 - Abstract Problem	10 / 10
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Appleby Contest '20 P2 - Playful Playdoughs	5 / 5
Appleby Contest '20 P3 - Ridiculous String	0.500 / 10
Appleby Contest '20 P4 - Philosophy Class	12 / 12
A Coin Problem	12 / 12
Sum of Primes 2	5 / 5
Angie and Functions	20 / 20
A Plus B	3 / 3
A Times B	20 / 20
PEG Test '14 - Fire	5 / 5
PEG Test '14 - Water	3 / 3
Avocado Trees!	5 / 5
Bank Notes	7 / 7
List Minimum (Hard)	5 / 5
String Finding	5 / 5
A Block Game	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 J3 - Group Project	5 / 5
BPC 1 S1 - Homework Questions	5 / 5
BPC 1 S2 - Train Commute	12 / 12
BPC 1 S3 - Bus Stops	17 / 17
BPC 1 S4 - Binary Matrices	25 / 25
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 S1 - Lakshy and Palindromic Rectangle	5 / 5
BSSPC '21 S2 - Hacker Soup	7 / 7
BSSPC '21 S3 - James's Egirl Discord Status	7 / 7
BSSPC '21 S4 - Child Prodigy Chadstin	3.400 / 17
Coin Change	7 / 7
Checkerboard Summation (Easy)	12 / 12
Checkerboard Summation (Hard)	15 / 15
Cheerio Contest 1 J2 - Phys Ed Class	3 / 3
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Cheerio Contest 3 P3 - Everything Array	12 / 12
Ray's Tricky Connectivity	10 / 10
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	5 / 5
CPC '21 Contest 1 P2 - AQT and Multiset	7 / 7
CPC '21 Contest 1 P3 - AQT and Circles	10 / 10
Double Doors Regional P6 - Tudor Learns More DDR	17 / 17
Matrix Determinant	15 / 15
Longest Increasing Subsequence	7 / 7
Educational DP Contest AtCoder A - Frog 1	7 / 7
Educational DP Contest AtCoder B - Frog 2	7 / 7
Educational DP Contest AtCoder C - Vacation	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Educational DP Contest AtCoder G - Longest Path	10 / 10
Educational DP Contest AtCoder H - Grid 1	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder J - Sushi	12 / 12
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Educational DP Contest AtCoder S - Digit Sum	12 / 12
Falling Snowflakes	15 / 15
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
GlobeX Cup '18 J2 - Mark Gambling	5 / 5
GlobeX Cup '18 S4 - Reversed Dijkstra's	10 / 10
King Graff's Tolls	17 / 17
Hardcore Grinding	5 / 5
The Heist	10 / 10
Hello, World!	3 / 3
Inaho IX	20 / 20
Koala Ball	12 / 12
K-th Minimum Number	17 / 17
Lil' Jami	5 / 5
LKP '18 Contest 1 P4 - Fun in Föràg	15 / 15
A Math Contest P1 - Arrays	5 / 5
Monkey Motel	12 / 12
Returning Home	10 / 10
Prefix Digits	7 / 7
Power Eggs	15 / 15
Persuasion	12 / 12
The Torture Chamber	15 / 15
Pick It	15 / 15
VMSS Pre-Pre-Windsor P7 - Magical Bribery	7 / 7
Prime Bag	20 / 20
Prime Factorization	5 / 5
Primes	3 / 3
Primes 2	15 / 15
QCC P0 - Thermometer	3 / 3
QCC P1 - Quarantine Games	10 / 10
QCC P2 - Online School	5 / 5
QCC P3 - Cohorts	10 / 10
Raytracing	10 / 10
RGPC '18 P3 - Chocolate Day	10 / 10
Richmond Green P4 - HEIGHT	7 / 7
Road Redirection	17 / 17
Recurrence Solver	15 / 15
RTE '16 S2 - Fire Evacuation Plan	1.200 / 12
Singularity Cup P1 - Maximum Permutation Product	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Dynamic Range Minimum Test	12 / 12
Summing A Sequence	7 / 7
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
SGS Programming Challenge P2 - Vending Machine in Lunch	10 / 10
SGS Programming Challenge P3 - Tree in Biology Class	15 / 15
SGS Programming Challenge P4 - Toy in Psychology Class	2.500 / 17
SGS Programming Challenge P5 - Tree After School	2 / 20
A Simple Game	7 / 7
STNBD P4 - Ellis Fahrengart	17 / 17
Subway Routes	12 / 12
THICC '17 P6 - Tunnels	15 / 15
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UCC Coding Competition '21 P5 - Woodcutting Game	10 / 10
UTS Open '15 #3 - Pogo	25 / 25
UTS Open '21 P1 - COVID Party	5 / 5
UTS Open '21 P2 - Prime Array	10 / 10
UTS Open '21 P3 - Latin Class	10 / 10
UTS Open '21 P5 - State Taxes	1.700 / 17
UTS Open '21 P6 - Terra Mater	1.200 / 25
VPEX P2 - Darcy Parties	3 / 3
William and Summation	7 / 7
A Very Coordinated Christmas	7 / 7

Problem	Score
VMSS '15 #5 - Jeffrey and Frank and a Lack of Roads	12 / 12
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 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #4 Gold - Restoring Reputation	10 / 10
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 1 S3 - Reach for the Top	8.889 / 12
WC '18 Contest 3 S2 - Gym Tour	12 / 12

Problem	Score
Yet Another Contest 2 P1 - Betting	5 / 5
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 2 P3 - Maximum Damage	6 / 10
Yet Another Contest 2 P4 - No More Arithmetic	4.500 / 15
Yet Another Contest 2 P6 - Travel Budget	2 / 20
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 3 P2 - Work Experience	10 / 10
Yet Another Contest 3 P3 - Topography	7.500 / 15
Yet Another Contest 3 P4 - Rumour	15 / 15
Yet Another Contest 4 P1 - Snap	5 / 5
Yet Another Contest 4 P2 - Alchemy 2	7 / 7
Yet Another Contest 4 P3 - Canadian Cactus Competition	12 / 12
Yet Another Contest 4 P4 - Even The Odds	1 / 20
Yet Another Contest 5 P1 - Number Pyramid	7 / 7
Yet Another Contest 5 P2 - Big Score	10 / 10
Yet Another Contest 5 P3 - Potted Plants	12 / 12
Yet Another Contest 5 P4 - Nils++	13.600 / 17
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 6 P2 - No More Telemarketers	7 / 7
Yet Another Contest 6 P3 - No More Cell Phone Messaging	2.500 / 10
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 7 P4 - Paparazzi	3.400 / 17