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 | JAVA

Fibonacci Sequence (Harder)

on Nov. 2, 2025, 9:55 p.m.

17pp

weighted 95% (16pp)

15 / 15

AC | C++17

CCC '20 S5 - Josh's Double Bacon Deluxe

on Oct. 27, 2025, 9:30 p.m.

17pp

weighted 90% (15pp)

15 / 15

AC | C++14

CCC '22 S5 - Good Influencers

on Oct. 10, 2025, 5:05 p.m.

17pp

weighted 86% (15pp)

100 / 100

AC | C++17

Double Doors Regional P6 - Tudor Learns More DDR

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

17pp

weighted 81% (14pp)

15 / 15

AC | Clang++

CCC '25 S5 - To-Do List

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

17pp

weighted 77% (13pp)

15 / 15

AC | JAVA

CCC '15 S5 - Greedy For Pies

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

17pp

weighted 74% (12pp)

100 / 100

AC | JAVA

Fibonacci Sequence

on Nov. 2, 2025, 9:56 p.m.

15pp

weighted 70% (10pp)

25 / 25

AC | C++17

CCO '20 P2 - Exercise Deadlines

on Oct. 27, 2025, 9:28 p.m.

15pp

weighted 66% (10.0pp)

15 / 15

AC | Clang++

CCC '22 S4 - Good Triplets

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

15pp

weighted 63% (9.5pp)

Problem	Score
Baltic OI '07 P3 - Sound	10 / 10
Baltic OI '15 P3 - Network	15 / 15

Problem	Score
CCC '00 J2 - 9966	3 / 3
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S2 - Fraction Action	5 / 5
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 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 S1 - Fix	5 / 5
CCC '05 J1 - The Cell Sell	3 / 3
CCC '05 J2 - RSA Numbers	3 / 3
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 '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 S1 - Federal Voting Age	3 / 3
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 S3 - Maze	7 / 7
CCC '09 J1 - ISBN	3 / 3
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '10 J1 - What is n, Daddy?	3 / 3
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 S1 - English or French?	4 / 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 S5 - Mouse Journey	7 / 7
CCC '13 J1 - Next in line	3 / 3
CCC '13 J2 - Rotating letters	3 / 3
CCC '13 S4 - Who is Taller?	4.550 / 7
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
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 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	4 / 5
CCC '16 S1 - Ragaman	3 / 3
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 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
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 S1 - Voronoi Villages	3 / 3
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 J5 - Rule of Three	10 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
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 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	0.467 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
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 '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 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 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 '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 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 '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 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
CCO '20 P1 - A Game with Grundy	10 / 10
CCO '20 P2 - Exercise Deadlines	15 / 15

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 1 #3 Lozinke	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 1 P5 - Surprise Teleport	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 '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
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
DMPG '18 G5 - Triangles	15 / 15

User jonathanzheng4

Points breakdown

AAC (5 points)

Baltic OI (25 points)

BlueBook (3 points)

CCC (720.617 points)

CCO (45 points)

Classics (3 points)

COCI (42 points)

DMOPC (90 points)

DWITE (22 points)

ECOO (12 points)

Google Code Jam (5 points)

ICPC (7 points)

Mock CCC (15.667 points)

MWC (7 points)

SAC Coding Challenge (5 points)

Seasonal (19 points)

TLE (5 points)

TSOC (14 points)

Uncategorized (161.500 points)

VM7WC (5 points)

Woburn Challenge (5 points)

Problem	Score
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '09 R1 #5 - Running In Circles	7 / 7
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

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

Problem	Score
Mock CCC '20 S2 - Flipper Redux	7 / 7
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
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Halloween '14 P2 - Cat Girls	12 / 12

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
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
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
HCI '16 - Oversleep	7 / 7
Hello, World!	3 / 3
Count The Triplets	7 / 7
Path Finder	1.500 / 10
Postfix Notation	7 / 7