User AndyZhang68

Points breakdown

15 / 15

AC | PY3

CCC '22 S5 - Good Influencers

on Oct. 6, 2024, 3:03 a.m.

17pp

weighted 100% (17pp)

100 / 100

AC | PY3

COCI '08 Contest 4 #4 Slikar

on Aug. 19, 2024, 6:08 a.m.

17pp

weighted 95% (16pp)

100 / 100

AC | PY3

Cute String Merging

on Oct. 26, 2024, 2:36 a.m.

15pp

weighted 90% (14pp)

15 / 15

AC | PY3

CCC '14 S4 - Tinted Glass Window

on Sept. 7, 2024, 4:28 a.m.

15pp

weighted 86% (13pp)

15 / 15

AC | PY3

CCC '23 S4 - Minimum Cost Roads

on Aug. 29, 2024, 8:53 p.m.

15pp

weighted 81% (12pp)

100 / 100

AC | PY3

TLE '15 P5 - Prefix Sum Array

on July 31, 2024, 1:58 a.m.

15pp

weighted 77% (12pp)

100 / 100

AC | PY3

IOI '09 Practice Task 3 - Museum

on April 19, 2024, 12:30 a.m.

15pp

weighted 74% (11pp)

100 / 100

AC | PYPY3

An Animal Contest 2 P3 - Koala Balloons

on Oct. 27, 2024, 6:59 p.m.

12pp

weighted 70% (8.4pp)

100 / 100

AC | PYPY3

Icebergs

on Oct. 16, 2024, 2:41 a.m.

12pp

weighted 66% (8.0pp)

100 / 100

AC | PY3

Educational DP Contest AtCoder P - Independent Set

on Aug. 22, 2024, 1:49 a.m.

12pp

weighted 63% (7.6pp)

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 P4 - Alpaca Arrays	1 / 10
An Animal Contest 1 P5 - Odd Alpacas	12 / 12
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Find the Character	3 / 3
BlueBook - Digits and Sums	3 / 3
BlueBook - Mode	3 / 3
BlueBook - Magic Square	3 / 3

Problem	Score
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '03 S3 - Floor Plan	7 / 7
CCC '04 S1 - Fix	5 / 5
CCC '05 S1 - Snow Calls	5 / 5
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 S2 - Boxes	5 / 5
CCC '07 S4 - Waterpark	7 / 7
CCC '08 J2 - Do the Shuffle	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 '11 J1 - Which Alien?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 J5 - Unfriend	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 '12 S2 - Aromatic Numbers	5 / 5
CCC '12 S5 - Mouse Journey	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 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 '14 S4 - Tinted Glass Window	15 / 15
CCC '15 J1 - Special Day	3 / 3
CCC '15 J2 - Happy or Sad	3 / 3
CCC '15 J3 - Rövarspråket	5 / 5
CCC '15 J5 - π-day	10 / 10
CCC '15 S3 - Gates	10 / 10
CCC '16 J1 - Tournament Selection	3 / 3
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 J3 - Hidden Palindrome	5 / 5
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S3 - Phonomenal Reviews	12 / 12
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 J3 - Exactly Electrical	3 / 3
CCC '17 S1 - Sum Game	3 / 3
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 '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 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S3 - Searching for Strings	4.200 / 12
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
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 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '22 S3 - Good Samples	10 / 10
CCC '22 S5 - Good Influencers	17 / 17
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 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 '96 S3 - Pattern Generator	5 / 5
CCCHK '08 J1 - Best fish	3 / 3
CCCHK '08 J2 - Lucky Number	3 / 3
CCCHK '08 J3 - Phone book	5 / 5
CCCHK '15 J3 - Queens can't attack me!	5 / 5

Problem	Score
CCO '00 P4 - Packet Routing	7 / 7
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '11 P2 - Vampire Tunnels	7 / 15
CCO '16 P4 - O Canada	10 / 10

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Quine	10 / 10
Unique Elements	3 / 3

User AndyZhang68

Points breakdown

Authored problems (1)

AAC (46 points)

BlueBook (15 points)

CCC (492.200 points)

CCO (34 points)

Classics (21 points)

COCI (56 points)

Data Structure Tests (10 points)

DMOPC (132 points)

DWITE (30 points)

ECOO (10 points)

EGOI (19 points)

IOI (45.570 points)

Mock CCC (40.400 points)

MWC (7 points)

SAC Coding Challenge (28 points)

Seasonal (35 points)

TLE (20 points)

Uncategorized (414.500 points)

VM7WC (24 points)

Woburn Challenge (22 points)

Problem	Score
COCI '07 Contest 4 #2 Veci	5 / 5
COCI '08 Contest 2 #3 Perket	7 / 7
COCI '08 Contest 4 #4 Slikar	17 / 17
COCI '13 Contest 5 #3 Eksplozjia	10 / 10
COCI '14 Contest 2 #1 Mobitel	5 / 5
COCI '14 Contest 4 #1 Cesta	5 / 5
COCI '17 Contest 1 #3 Lozinke Hard	7 / 7

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 3 P1 - Sharing is Caring	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 2 P4 - Deforestation	5 / 5
DMOPC '15 Contest 6 P3 - Harvest	7 / 7
DMOPC '15 Contest 7 P2 - Not a Wall of Text	3 / 3
DMOPC '16 Contest 4 P2 - Systests	7 / 7
DMOPC '17 Contest 1 P1 - Fujō Neko	5 / 5
DMOPC '17 Contest 4 P1 - Ribbon Colouring Fun	5 / 5
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 2 P3 - Thanksgiving Feast	10 / 10
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '19 Contest 5 P1 - Conspicuous Cryptic Checklist	5 / 5
DMOPC '20 Contest 4 P1 - Missing Numbers	5 / 5
DMOPC '20 Contest 5 P1 - Home Row	3 / 3
DMOPC '20 Contest 7 P1 - Bob and Balance	7 / 7
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMPG '16 B1 - BFS	3 / 3
DMPG '18 G1 - Musical Chairs	10 / 10
DMPG '18 S4 - Mimi and Prize	12 / 12

Problem	Score
DWITE '07 R1 #4 - Stacks of Blocks	5 / 5
DWITE '07 R2 #4 - All Is Balanced	5 / 5
DWITE '08 R3 #2 - Wordcount++	5 / 5
DWITE '10 R3 #3 - Dominos Tiling	10 / 10
DWITE '10 R5 #2 - Safe from Rooks	5 / 5

Problem	Score
ECOO '19 R2 P1 - Email	5 / 5
ECOO '20 P2 - Online Shopping	5 / 5

Problem	Score
EGOI '21 P2 - Luna Likes Love	12 / 12
EGOI '23 P1 - Inflation	7 / 7

Problem	Score
IOI '09 Practice Task 3 - Museum	15 / 15
IOI '11 P2 - Race (Standard I/O)	3.570 / 17
IOI '14 Practice Task 1 - Square	10 / 10
IOI '94 P1 - The Triangle	7 / 7
IOI '96 P1 - A Game	10 / 10

Problem	Score
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J3 - String Crossing Maximization	7 / 7
Mock CCC '23 Contest 1 J1 - Final Velocity	3 / 3
Mock CCC '23 Contest 1 J2 - Healthy Schedule	3 / 3
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
Mock CCC '18 Contest 2 J3/S1 - An Array Problem	1.400 / 7
Mock CCC '18 Contest 3 J1 - A Sum Problem	3 / 3
Mock CCC '18 Contest 3 J2 - A Palindrome Problem	3 / 3
Mock CCC '18 Contest 3 J3/S1 - A String Problem	5 / 5
Mock CCC '18 Contest 5 J1 - Looking for the CCC	3 / 3
Mock CCC '19 Contest 1 J2 - Pusheen OCR	3 / 3
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3

Problem	Score
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P3 - Normal Probabilities	3 / 3
SAC '22 Code Challenge 3 P1 - Hair Hazards	3 / 3
SAC '22 Code Challenge 3 P3 - Bob Sort	5 / 5
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem	3 / 3
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5

Problem	Score
Back From Summer '17 P2: Crayola Lightsaber	7 / 7
Back To School '18: Letter Frequency	7 / 7
Back To School '18: Beautiful Trees	10 / 10
Is it a Tree?	7 / 7
WOSS Dual Olympiad 2021 S3: Late for Class!	1 / 10
New Year's '15 P1 - Invitation Devastation	3 / 3

Problem	Score
TLE '15 P5 - Prefix Sum Array	15 / 15
TLE '16 Contest 6 (Mock CCC) S1 - Writing the CCC	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
2-D Permutations	10 / 10
2spooky4me	7 / 7
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '20 P3 - Ridiculous String	4 / 10
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude!	4 / 5
A Noisy Class	7 / 7
A Plus B	3 / 3
Palindromic Integer Partition	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
String Finding	5 / 5
Bob's Rocks	5 / 5
Boolean	3 / 3
Brap Lesh Mafia	5 / 5
Checkerboard Summation (Easy)	12 / 12
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Age Demographic	5 / 5
Maximum Sum	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 N - Slimes	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Fibonacci Sequence	1.500 / 15
PEG Test '11 - Cyclopian Puzzle	10 / 10
GlobeX Cup '18 J5 - Errands	10 / 10
Breaking the Friend Chain	7 / 7
Hello, World!	3 / 3
Icebergs	12 / 12
Word Scrambler	5 / 5
Largest Permutation	7 / 7
Lil' Jami	5 / 5
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P5 - Good Arrays	7 / 7
MCIPC Contest 2 P1 - Super Mega Snowball	3 / 3
Multiplication Madness	7 / 7
OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance	3 / 3
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection	3 / 3
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion	5 / 5
OTHS Coding Competition 1 (Mock CCC) J4 - Railgun	7 / 7
Prime Factorization	5 / 5
VMSS Pre-Windsor P1 - Java	3 / 3
Rainy Days	5 / 5
The Cosmic Era P2 - Uneven Sand	5 / 5
The Cosmic Era P3 - Battle Positions	7 / 7
Python Infinite Loop	7 / 7
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Cute String Merging	15 / 15
T-800's Escape	10 / 10
TSS Club Fair 2017 Problem B	7 / 7
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UCC Coding Competition '20 P4 - Bubble Tea	7 / 7
UHCC1 P2 - String	5 / 5
Intertwined Strings	7 / 7
VPEX P0 - Pizza	3 / 3

Problem	Score
VM7WC '16 #3 Silver - Can Shahir even get there?!	5 / 5
VM7WC '16 #4 Silver - Tests or Test Cases?	5 / 5
VM7WC '16 #5 Gold - Jayden Studies Trees	7 / 7
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
WC '17 Contest 1 J1 - Canadian Accent	3 / 3
WC '18 Contest 1 S2 - Essay Generator	7 / 7
WC '18 Contest 2 S2 - Plutonium	12 / 12