User jonathanzheng4

Points breakdown

30 / 30

AC | JAVA

CCC '19 S4 - Tourism

on July 22, 2025, 9:06 p.m.

20pp

weighted 100% (20pp)

100 / 100

AC | C++17

Double Doors Regional P6 - Tudor Learns More DDR

on Sept. 24, 2025, 1:10 a.m.

17pp

weighted 95% (16pp)

15 / 15

AC | Clang++

CCC '25 S5 - To-Do List

on Aug. 20, 2025, 12:59 a.m.

17pp

weighted 90% (15pp)

15 / 15

AC | JAVA

CCC '15 S5 - Greedy For Pies

on July 22, 2025, 8:58 p.m.

17pp

weighted 86% (15pp)

15 / 15

AC | Clang++

CCC '22 S4 - Good Triplets

on July 22, 2025, 8:38 p.m.

15pp

weighted 81% (12pp)

100 / 100

AC | JAVA

DMPG '18 G5 - Triangles

on June 12, 2025, 11:29 p.m.

15pp

weighted 77% (12pp)

100 / 100

AC | C++11

Baltic OI '15 P3 - Network

on May 11, 2025, 2:11 a.m.

15pp

weighted 74% (11pp)

100 / 100

AC | JAVA

A Coin Problem

on July 28, 2025, 4:51 p.m.

12pp

weighted 70% (8.4pp)

200 / 200

AC | JAVA

COCI '06 Contest 1 #5 Bond

on July 22, 2025, 9:04 p.m.

12pp

weighted 66% (8.0pp)

15 / 15

AC | JAVA

CCC '20 S4 - Swapping Seats

on July 22, 2025, 9:02 p.m.

12pp

weighted 63% (7.6pp)

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S2 - Fraction Action	5 / 5
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S2 - Poetry	5 / 5
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '04 S1 - Fix	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 J3 - Cell-Phone Messaging	3 / 3
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J3 - Deal or No Deal Calculator	3 / 3
CCC '07 J4 - Anagram Checker	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 '09 J1 - ISBN	3 / 3
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '10 J5 - Knight Hop	7 / 7
CCC '10 S2 - Huffman Encoding	5 / 5
CCC '11 J1 - Which Alien?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J4 - Boring Business	7 / 7
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '12 J4 - Big Bang Secrets	3 / 3
CCC '12 S5 - Mouse Journey	7 / 7
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 S4 - Who is Taller?	4.550 / 7
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '15 J3 - Rövarspråket	5 / 5
CCC '15 S5 - Greedy For Pies	17 / 17
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	2 / 5
CCC '19 S4 - Tourism	20 / 20
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S4 - Swapping Seats	12 / 12
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 J4 - Arranging Books	0.467 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 S4 - Good Triplets	15 / 15
CCC '23 J1 - Deliv-e-droid	3 / 3
CCC '23 J3 - Special Event	5 / 5
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 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 J3 - Product Codes	5 / 5
CCC '25 J4 - Sunny Days	5 / 5
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S5 - To-Do List	17 / 17
CCC '96 S2 - Divisibility by 11	7 / 7
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '15 J3 - Queens can't attack me!	5 / 5
CCCHK '15 S5 - Can I pass the courses?	10 / 25

Problem	Score
CCO '16 P4 - O Canada	10 / 10
CCO '18 P1 - Geese vs. Hawks	10 / 10

Problem	Score
COCI '06 Contest 1 #5 Bond	12 / 12
COCI '06 Contest 6 #3 Maraton	5 / 5
COCI '08 Contest 3 #2 Kemija	5 / 5
COCI '17 Contest 7 #1 Prosjek	5 / 5
COCI '18 Contest 5 #2 Jarvis	5 / 5
COCI '20 Contest 6 #1 Bold	5 / 5

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '14 Contest 7 P2 - Tides	5 / 5
DMOPC '15 Contest 5 P4 - Steins;Number	12 / 12
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 7 P2 - Knitting Scarves	7 / 7
DMPG '18 G5 - Triangles	15 / 15

Problem	Score
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

User jonathanzheng4

Points breakdown

AAC (5 points)

Baltic OI (15 points)

BlueBook (3 points)

CCC (446.617 points)

CCO (20 points)

Classics (3 points)

COCI (37 points)

DMOPC (68 points)

DWITE (10 points)

ECOO (12 points)

Google Code Jam (5 points)

Mock CCC (8.667 points)

SAC Coding Challenge (5 points)

TSOC (7 points)

Uncategorized (98.500 points)

VM7WC (5 points)

Woburn Challenge (5 points)

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

Problem	Score
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 3 J3/S1 - A String Problem	0.667 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Appleby Contest '19 P5 - Matrix Operation	10 / 10
A Coin Problem	12 / 12
A Harder Game	6 / 15
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
Lexicographically Least Substring	5 / 5
Boolean	3 / 3
Back to School '24 P1 - Kicking	5 / 5
Double Doors Regional P6 - Tudor Learns More DDR	17 / 17
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Hello, World!	3 / 3
Path Finder	1.500 / 10