User HongyiSun

Points breakdown

100 / 100

AC | C++20

Checkerboard Summation (Easy)

on Sept. 20, 2025, 10:44 p.m.

12pp

weighted 100% (12pp)

100 / 100

AC | C++20

COCI '06 Regional #3 Firefly

on Sept. 28, 2025, 12:12 a.m.

10pp

weighted 95% (9.5pp)

15 / 15

AC | C++20

The Cake is a Dessert

on Sept. 20, 2025, 10:43 p.m.

10pp

weighted 90% (9.0pp)

100 / 100

AC | C++20

Tropical Bananas

on Sept. 20, 2025, 10:43 p.m.

10pp

weighted 86% (8.6pp)

15 / 15

AC | C++20

CCC '06 S4 - Groups

on Sept. 15, 2025, 12:17 a.m.

10pp

weighted 81% (8.1pp)

25 / 25

AC | C++20

CCO '01 P1 - The Monkey Dance

on Sept. 14, 2025, 7:03 p.m.

10pp

weighted 77% (7.7pp)

10 / 10

AC | C++20

DWITE '09 R7 #5 - Snapper Chain

on Sept. 14, 2025, 7:02 p.m.

10pp

weighted 74% (7.4pp)

15 / 15

AC | C++20

CCC '05 S3 - Quantum Operations

on Sept. 7, 2025, 10:48 p.m.

10pp

weighted 70% (7.0pp)

100 / 100

AC | C++20

DWITE '06 R5 #5 - Prime Palindromes

on Sept. 7, 2025, 8:16 p.m.

10pp

weighted 66% (6.6pp)

15 / 15

AC | JAVA8

CCC '05 J5 - Bananas

on Feb. 26, 2025, 7:59 p.m.

10pp

weighted 63% (6.3pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S3 - Surfing	7 / 7
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '03 J2 - Picture Perfect	1.200 / 3
CCC '03 S1 - Snakes and Ladders	5 / 5
CCC '03 S2 - Poetry	5 / 5
CCC '03 S3 - Floor Plan	7 / 7
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 J5 - Fractals	10 / 10
CCC '04 S1 - Fix	5 / 5
CCC '04 S2 - TopYodeller	5 / 5
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
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 S2 - Mouse Move	5 / 5
CCC '05 S3 - Quantum Operations	10 / 10
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 '06 S1 - Maternity	3.333 / 5
CCC '06 S2 - Attack of the CipherTexts	2 / 5
CCC '06 S4 - Groups	10 / 10
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 S2 - Boxes	5 / 5
CCC '07 S3 - Friends	7 / 7
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 S1 - It's Cold Here!	5 / 5
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S3 - Maze	7 / 7
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	7 / 7
CCC '09 S1 - Cool Numbers	5 / 5
CCC '09 S3 - Degrees Of Separation	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 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!	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 S2 - Aromatic Numbers	5 / 5
CCC '12 S3 - Absolutely Acidic	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 '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 '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 '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 S2 - Tandem Bicycle	5 / 5
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 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 S2 - Sunflowers	5 / 5
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 '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 S2 - Escape Room	10 / 10
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 S2 - Modern Art	7 / 7
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
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 '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	5 / 5
CCC '24 J5 - Harvest Waterloo	7 / 7
CCC '96 S5 - Maximum Distance	7 / 7
CCC '97 S1 - Sentences	5 / 5

Problem	Score
COCI '06 Contest 1 #2 Herman	5 / 5
COCI '06 Contest 2 #4 Sjecišta	7 / 7
COCI '07 Contest 5 #3 Jabuke	7 / 7
COCI '07 Contest 6 #1 Parking	5 / 5
COCI '07 Contest 6 #2 Semafori	7 / 7
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 3 #1 Pet	5 / 5
COCI '09 Contest 1 #2 Domino	5 / 5
COCI '09 Contest 6 #2 Natjecanje	5 / 5
COCI '12 Contest 4 #2 Esej	5 / 5
COCI '13 Contest 3 #1 Riječi	5 / 5
COCI '13 Contest 4 #2 Gmo	5 / 5
COCI '14 Contest 1 #1 Prosjek	5 / 5
COCI '14 Contest 2 #2 Utrka	5 / 5
COCI '15 Contest 2 #2 Geppetto	7 / 7
COCI '16 Contest 1 #2 Jetpack	7 / 7
COCI '16 Contest 5 #2 Pareto	5 / 5
COCI '16 Contest 6 #2 Telefoni	5 / 5
COCI '17 Contest 2 #2 ZigZag	5 / 5
COCI '18 Contest 4 #2 Wand	7 / 7
COCI '19 Contest 3 #1 Preokret	5 / 5
COCI '06 Regional #1 Bard	7 / 7
COCI '06 Regional #3 Firefly	10 / 10
COCI '07 Regional #1 Platforme	7 / 7

Problem	Score
DMOPC '13 Contest 3 P3 - Crossing Field	7 / 7
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '15 Contest 1 P2 - Itami and Squad	5 / 5
DMOPC '15 Contest 4 P2 - The Big Clock	5 / 5
DMOPC '16 Contest 4 P1 - Fast Exponents	5 / 5
DMOPC '17 Contest 1 P2 - Sharing Crayons	7 / 7
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '19 Contest 3 P1 - Mode Finding	5 / 5
DMOPC '19 Contest 4 P1 - Valid Strings	5 / 5
DMOPC '19 Contest 7 P0 - Contest Feedback	3 / 3
DMOPC '20 Contest 1 P2 - Victor's Moral Dilemma	5 / 5
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMPG '19 S1 - Candy Shop Tycoon	5 / 5

Problem	Score
DWITE '06 R5 #5 - Prime Palindromes	10 / 10
DWITE '07 R1 #5 - Velociraptor Maze	7 / 7
DWITE '07 R2 #3 - Floor Plan	7 / 7
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '07 R3 #5 - Portals	7 / 7
DWITE '08 R2 #5 - Water damage	7 / 7
DWITE '08 R4 #3 - Secret party	7 / 7
DWITE '09 R1 #2 - Word Scrambler	5 / 5
DWITE '09 R1 #3 - That Missing Number	5 / 5
DWITE '09 R7 #5 - Snapper Chain	10 / 10
DWITE '10 R4 #4 - Mountain Hiking	7 / 7
DWITE '12 R1 #4 - Trick or Tree'ing	5 / 5

User HongyiSun

Points breakdown

AAC (14 points)

CCC (635.533 points)

CCO (10 points)

Classics (5 points)

COCI (143 points)

DMOPC (82 points)

DWITE (82 points)

GFSSOC (5 points)

Mock CCC (24 points)

SAC Coding Challenge (15 points)

Seasonal (29 points)

SIUCF (5 points)

TLE (15 points)

TSOC (7 points)

Uncategorized (141 points)

VM7WC (20 points)

Woburn Challenge (11 points)

Problem	Score
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP	5 / 5
Mock CCC '14 S3 - Spreadsheet Sorting	7 / 7
Mock CCC '18 Contest 5 J4/S2 - Reverse Sort	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7

Problem	Score
SAC '21 Code Challenge P4 - Averaging Averages	5 / 5
SAC '22 Code Challenge 3 P2 - Unicycle License	5 / 5
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '17: Avalon	5 / 5
Back To School '18: Letter Frequency	7 / 7
Miracle Sort	3 / 3
Is it a Tree?	7 / 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 '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
Triple Fat Ladies	5 / 5
Appleby Contest '19 P3 - A Recursion Problem	5 / 5
A Plus B	3 / 3
Adding Reversed Numbers	5 / 5
The Cake is a Dessert	10 / 10
Checkerboard Summation (Easy)	12 / 12
Chocolate Bar	5 / 5
Educational DP Contest AtCoder A - Frog 1	7 / 7
PEG Test '11 - Cyclopian Cash	3 / 3
Troubling Triangles	7 / 7
HCI '16 - Ulam Spiral	5 / 5
Hello, World!	3 / 3
Word Scrambler	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
OCC '19 S2 - Rimuru's Number Game	5 / 5
The Mirror	5 / 5
Postfix Notation	7 / 7
Primes	3 / 3
Rat In A Maze	5 / 5
Bubble Sort	7 / 7
STNBD P3 - Rinslet Laurenfrost	5 / 5
THICC '17 P2 - Molly and Product	7 / 7
Tropical Bananas	10 / 10
Valentine's Day '19 S2 - Ctudor's Cute Cacti	7 / 7

Problem	Score
VMSS '15 #2 - Tomb Robbing	7 / 7
VM7WC '15 #5 Bronze - Melanioana	3 / 3
VM7WC '16 #2 Silver - GG	5 / 5
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5

Problem	Score
WC '15 Contest 4 J2 - Mission Briefing	3 / 3
WC '16 Contest 1 J1 - A Spooky Season	3 / 3
WC '16 Finals J2 - Enigmoo	5 / 5