User jiashen_z

Points breakdown

17 / 17

AC | JAVA

CCC '17 S4 - Minimum Cost Flow

on Jan. 18, 2026, 10:13 p.m.

17pp

weighted 100% (17pp)

15 / 15

AC | JAVA

CCC '18 S4 - Balanced Trees

on Feb. 11, 2026, 10:24 p.m.

15pp

weighted 95% (14pp)

15 / 15

AC | JAVA

CCC '23 S4 - Minimum Cost Roads

on Feb. 2, 2026, 1:33 a.m.

15pp

weighted 90% (14pp)

100 / 100

AC | JAVA

GFSSOC '15 Fall S4 - Mostly Talking

on Jan. 24, 2026, 4:20 p.m.

15pp

weighted 86% (13pp)

100 / 100

AC | JAVA

South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma

on Jan. 22, 2026, 10:51 p.m.

15pp

weighted 81% (12pp)

15 / 15

AC | JAVA

CCC '15 S4 - Convex Hull

on Jan. 20, 2026, 8:57 p.m.

15pp

weighted 77% (12pp)

100 / 100

AC | JAVA

Educational DP Contest AtCoder N - Slimes

on April 24, 2026, 3:46 p.m.

12pp

weighted 74% (8.8pp)

100 / 100

AC | JAVA

Halloween '14 P2 - Cat Girls

on April 17, 2026, 9:04 p.m.

12pp

weighted 70% (8.4pp)

100 / 100

AC | PY3

COCI '14 Contest 2 #3 Studentsko

on April 12, 2026, 7:44 p.m.

12pp

weighted 66% (8.0pp)

26 / 26

AC | JAVA

CCO '09 P6 - A Weighty Problem

on March 21, 2026, 8:06 p.m.

12pp

weighted 63% (7.6pp)

Problem	Score
CCC '00 S4 - Golf	7 / 7
CCC '02 S4 - Bridge Crossing	10 / 10
CCC '03 S3 - Floor Plan	7 / 7
CCC '03 S5 - Trucking Troubles	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '06 J4 - It's tough being a teen!	7 / 7
CCC '07 J5 - Keep on Truckin'	7 / 7
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 J2 - Do the Shuffle	3 / 3
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	5 / 5
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '09 S4 - Shop and Ship	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 '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 S2 - Multiple Choice	3 / 3
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 '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 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
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 J5 - π-day	10 / 10
CCC '15 S2 - Jerseys	5 / 5
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 '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 '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	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 '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 S3 - Arithmetic Square	12 / 12
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	9 / 12
CCC '20 S4 - Swapping Seats	12 / 12
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 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
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	5.333 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '22 S3 - Good Samples	10 / 10
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 '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
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	7 / 7
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 J5 - Connecting Territories	7 / 7
CCC '25 S1 - Positioning Peter's Paintings	3 / 3
CCC '25 S2 - Cryptogram Cracking Club	7 / 7
CCC '25 S3 - Pretty Pens	10 / 10
CCC '25 S4 - Floor is Lava	12 / 12
CCC '26 J3 - Creative Candy Consumption	3 / 3
CCC '26 J4 - Snail Path	5 / 5
CCC '26 S1 - Baby Hop, Giant Hop	5 / 5
CCC '26 S2 - Beams of Light	7 / 7
CCC '26 S3 - Common Card Choice	7 / 7

Problem	Score
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '08 P5 - Candy	7 / 7
CCO '09 P6 - A Weighty Problem	12 / 12
CCO '10 P4 - Computer Purchase Return	10 / 10
CCO '14 P1 - Troyangles	10 / 10
CCO '14 P4 - Where's That Fuel?	7 / 7
CCO '17 P1 - Vera and Trail Building	7 / 7
CCO '18 P1 - Geese vs. Hawks	10 / 10
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '97 P2 - Alien Invasion	10 / 10
CCO '98 P5 - Text Segmentation	10 / 10

Problem	Score
CIW '26 P1 - Shopping Mall	10 / 10
CIW '26 P3 - Gumball Machine	7 / 7

Problem	Score
Longest Increasing Subsequence	10 / 10
Single Source Shortest Path	7 / 7

Problem	Score
COCI '07 Contest 4 #4 Muzicari	10 / 10
COCI '08 Contest 1 #2 Ptice	5 / 5
COCI '10 Contest 6 #4 Abeceda	10 / 10
COCI '11 Contest 5 #3 Dna	10 / 10
COCI '12 Contest 6 #3 Dobri	7 / 7
COCI '14 Contest 2 #3 Studentsko	12 / 12
COCI '14 Contest 6 #4 Kratki	4 / 10
COCI '16 Contest 1 #3 Cezar	3 / 10
COCI '16 Contest 4 #3 Kas	10 / 10
COCI '20 Contest 1 #2 Bajka	7 / 7
COCI '22 Contest 4 #2 Zrinka	10 / 10
COCI '07 Regional #2 Nikola	10 / 10

User jiashen_z

Points breakdown

AAC (3.500 points)

ACC (7 points)

Baltic OI (12 points)

CCC (748.333 points)

CCO (103 points)

CIW (17 points)

Classics (17 points)

COCI (98 points)

Data Structure Tests (10 points)

DMOPC (173 points)

DWITE (14 points)

GFSSOC (15 points)

ICPC (7 points)

IOI (17 points)

JOI (5 points)

Mock CCC (22.333 points)

MWC (7 points)

SAC Coding Challenge (7 points)

Seasonal (29 points)

TSOC (14 points)

Uncategorized (365.100 points)

VM7WC (59 points)

Waterloo Local (10 points)

Woburn Challenge (27 points)

YAC (5 points)

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 3 P6 - Not Enough Time!	10 / 10
DMOPC '14 Contest 4 P6 - Save Nagato!	10 / 10
DMOPC '14 Exam Time P4 - Exam Delay	10 / 10
DMOPC '15 Contest 6 P4 - Line Graph	10 / 10
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '16 Contest 2 P2 - Ebola Outbreak	7 / 7
DMOPC '16 Contest 4 P5 - Migrant Mascot	10 / 10
DMOPC '17 Contest 1 P3 - Hitchhiking Fun	7 / 7
DMOPC '17 Contest 2 P3 - Bad Bunnies	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 P3 - Dr. Henri and Ionization	10 / 10
DMOPC '18 Contest 6 P3 - Wish Upon a Star	10 / 10
DMOPC '19 Contest 2 P2 - Squares	7 / 7
DMOPC '19 Contest 3 P2 - Generating Names	7 / 7
DMOPC '21 Contest 3 P2 - Weak Data	10 / 10
DMPG '17 S2 - Anime Conventions	10 / 10

Problem	Score
DWITE '08 R3 #4 - Time for change	7 / 7
DWITE '09 R1 #5 - Running In Circles	7 / 7

Problem	Score
IOI '00 P1 - Palindrome	10 / 10
IOI '94 P1 - The Triangle	7 / 7

Problem	Score
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J5 - New Year's Restrictions	2.333 / 7
Mock CCC '18 Contest 1 J3/S1 - A Math Problem	5 / 5
Mock CCC '18 Contest 1 J4/S2 - A Square Problem	5 / 5
Mock CCC '18 Contest 5 J5/S3 - Directed Graph Connectivity	7 / 7

Problem	Score
Halloween '14 P2 - Cat Girls	12 / 12
MEC '16 P3 - Getting Good at Programming	10 / 10
Is it a Tree?	7 / 7

Problem	Score
TSOC '15 Contest 1 #5 - Giant Ants	7 / 7
TSOC '16 Contest 1 #4 - Alex and Animal Rights	7 / 7

Problem	Score
AAAA 1 P1 - Even-Odd Sort	7 / 7
AAAA 1 P2 - Heavy-Light Composition	7 / 7
AAAA 1 P3 - Topographical Sort	3.600 / 12
Arcadia Computing Contest 1 P1 - Test Anxiety	3 / 3
Arcadia Computing Contest 1 P2 - Chemistry	5 / 5
Arcadia Computing Contest 1 P3 - ScanTron	5 / 5
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Arcadia Computing Contest 2 P3 - Alternato	7 / 7
Arcadia Computing Contest 2 P4 - Choose Your Own Adventure!	7 / 7
Arcadia Computing Contest 2 P5 - lp0 is on fire!	10 / 10
Amplitude Hackathon '23 Problem 5 - Partition Assignment	7 / 7
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	5 / 5
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos	5 / 5
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop	5 / 5
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement	5 / 5
Amplitude Hackathon Winter '24 Problem 3 - Killer Queen	5 / 5
A Noisy Class	7 / 7
Big Deposits	7 / 7
Back to School '24 P1 - Kicking	5 / 5
Coin Change	7 / 7
Maximum Sum	7 / 7
A Game	10 / 10
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 E - Knapsack 2	7 / 7
Educational DP Contest AtCoder F - LCS	7 / 7
Educational DP Contest AtCoder I - Coins	10 / 10
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder N - Slimes	12 / 12
Exam Prep	7 / 7
Foxlings	8.500 / 10
GCC '16 P1 - Watching Anime	1 / 10
Good Aim	10 / 10
Graph Contest 2 P3 - Trees	7 / 7
Graph Contest 3 P1 - Travelling Salesmen	7 / 7
Graph Contest 3 P3 - Cable TV	7 / 7
HCI '16 - Oversleep	7 / 7
Knapsack 3	10 / 10
South African Computer Olympiad 2008 Day 1 Problem 3 - Visiting Grandma	15 / 15
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Summing A Sequence	7 / 7
Coding Spree	7 / 7
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UTS Open '18 P3 - Restaurants	7 / 7
Valentine's Day '19 J3 - Love!	7 / 7

Problem	Score
VMSS '15 #4 - Frank and Roads	10 / 10
VM7WC '15 #4 Gold - Chain Rule	10 / 10
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #3 Gold - Hello, Officer.	10 / 10
VM7WC '16 #4 Gold - Restoring Reputation	10 / 10
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
WC '15 Finals S2 - Hydration	10 / 10
WC '18 Contest 2 S1 - Laser Grid	7 / 7
WC '18 Contest 4 S1 - World of StarCraft	10 / 10