User EricZuo

Points breakdown

125 / 125

AC | C++20

CCO Preparation Test 3 P2 - Packing Up

on Sept. 2, 2025, 10:59 p.m.

25pp

weighted 100% (25pp)

100 / 100

AC | C++20

IOI '25 P1 - Souvenirs

on Aug. 10, 2025, 9:14 p.m.

25pp

weighted 95% (24pp)

25 / 25

AC | C++20

CCO '19 P4 - Card Scoring

on Aug. 4, 2025, 9:46 p.m.

25pp

weighted 90% (23pp)

70 / 100

AC | C++20

IOI '25 P2 - Triple Peaks

on Aug. 10, 2025, 10:50 p.m.

25pp

weighted 86% (21pp)

15 / 15

AC | C++20

CCC '18 S5 - Maximum Strategic Savings

on Oct. 16, 2025, 12:45 a.m.

20pp

weighted 81% (16pp)

15 / 15

AC | C++20

CCC '19 S5 - Triangle: The Data Structure

on Sept. 6, 2025, 12:07 a.m.

20pp

weighted 77% (15pp)

100 / 100

AC | C++20

CCO Preparation Test 6 P3 - HopScotch

on Sept. 2, 2025, 4:30 a.m.

20pp

weighted 74% (15pp)

15 / 15

AC | C++20

Mock CCC '22 1 S4 - Berkeley Math Tournament Statistics

on Aug. 24, 2025, 11:29 p.m.

20pp

weighted 70% (14pp)

100 / 100

AC | C++20

CCO Preparation Test 2 P3 - Subsets

on Aug. 10, 2025, 4:34 a.m.

20pp

weighted 66% (13pp)

15 / 15

AC | C++20

CCC '24 S5 - Chocolate Bar Partition

on Aug. 6, 2025, 11:09 p.m.

20pp

weighted 63% (13pp)

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	10 / 10
An Animal Contest 1 P5 - Odd Alpacas	12 / 12
An Animal Contest 1 P6 - Alpaca Distancing	12 / 12
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 2 P1 - Koala Konundrum	5 / 5
An Animal Contest 2 P2 - Koala Party	5 / 5
An Animal Contest 2 P3 - Koala Balloons	12 / 12
An Animal Contest 2 P4 - Koala Gambling	12 / 12
An Animal Contest 2 P5 - Koala Carnival	15 / 15
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 3 P3 - Monkey Market	7 / 7
An Animal Contest 3 P4 - Monkey Mayhem	7 / 7
An Animal Contest 4 P2 - Lavish Lights	10 / 10
An Animal Contest 4 P3 - Snowy Slopes	10 / 10
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 5 P3 - Ski Resort	10 / 10
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 6 P3 - OAC	12 / 12

Problem	Score
Another Contest 2 Problem 2 - Poutine	10 / 10
Another Contest 5 Problem 3 - Cutting Cheese Costs	5 / 5

Problem	Score
Baltic OI '01 P1 - Postman	10 / 10
Baltic OI '02 P2 - Tennis Club	12 / 12

Problem	Score
BlueBook - Cross Country	3 / 3
BlueBook - Cost	3 / 3
BlueBook - Direction	3 / 3
BlueBook - Min	3 / 3
BlueBook - Prime	3 / 3
BlueBook - Equation	3 / 3

Problem	Score
Bulgarian OI '09 P4 - Frogs	12 / 12
Bulgarian OI '09 P6 - Diamonds	12 / 12

User EricZuo

Points breakdown

AAC (178 points)

ACC (15 points)

Baltic OI (22 points)

BlueBook (18 points)

Bulgarian OI (24 points)

CCC (854.500 points)

CCO (180.840 points)

China NOI (49 points)

Classics (47.200 points)

COCI (8 points)

Data Structure Tests (52 points)

DMOPC (164 points)

ECOO (12 points)

EGOI (7 points)

FHC (10 points)

GFSSOC (7 points)

ICPC (15 points)

IOI (109.500 points)

Mock CCC (80 points)

Mock CCO (109 points)

Olympiads School (7 points)

Seasonal (27 points)

Uncategorized (574 points)

VM7WC (17 points)

YAC (19 points)

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '01 S3 - Strategic Bombing	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 S2 - Mouse Move	5 / 5
CCC '05 S3 - Quantum Operations	10 / 10
CCC '05 S4 - Pyramid Message Scheme	10 / 10
CCC '05 S5 - Pinball Ranking	12 / 12
CCC '07 J5 - Keep on Truckin'	7 / 7
CCC '07 S1 - Federal Voting Age	3 / 3
CCC '07 S3 - Friends	7 / 7
CCC '07 S4 - Waterpark	7 / 7
CCC '07 S5 - Bowling for Numbers	10 / 10
CCC '08 S2 - Pennies in the Ring	5 / 5
CCC '08 S5 - Nukit	10 / 10
CCC '09 S3 - Degrees Of Separation	10 / 10
CCC '10 S3 - Firehose	15 / 15
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '11 S2 - Multiple Choice	3 / 3
CCC '11 S3 - Alice Through the Looking Glass	10 / 10
CCC '11 S5 - Switch	12 / 12
CCC '12 S5 - Mouse Journey	7 / 7
CCC '13 J4 - Time on task	5 / 5
CCC '13 S3 - Chances of Winning	10 / 10
CCC '13 S4 - Who is Taller?	7 / 7
CCC '13 S5 - Factor Solitaire	15 / 15
CCC '14 S3 - The Geneva Confection	7 / 7
CCC '14 S4 - Tinted Glass Window	15 / 15
CCC '14 S5 - Lazy Fox	20 / 20
CCC '15 J5 - π-day	10 / 10
CCC '15 S3 - Gates	10 / 10
CCC '15 S4 - Convex Hull	15 / 15
CCC '16 S3 - Phonomenal Reviews	12 / 12
CCC '17 S1 - Sum Game	3 / 3
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 '17 S5 - RMT	20 / 20
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S4 - Balanced Trees	15 / 15
CCC '18 S5 - Maximum Strategic Savings	20 / 20
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	5 / 5
CCC '19 S3 - Arithmetic Square	4.500 / 12
CCC '19 S5 - Triangle: The Data Structure	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 S2 - Escape Room (Hard)	3 / 15
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 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 '21 S4 - Daily Commute	12 / 12
CCC '21 S5 - Math Homework	15 / 15
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
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 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 '23 S2 - Symmetric Mountains	7 / 7
CCC '23 S3 - Palindromic Poster	10 / 10
CCC '23 S4 - Minimum Cost Roads	15 / 15
CCC '23 S5 - The Filter	20 / 20
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 '24 S4 - Painting Roads	12 / 12
CCC '24 S5 - Chocolate Bar Partition	20 / 20
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 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 '25 S5 - To-Do List	17 / 17
CCC '96 S1 - Deficient, Perfect, and Abundant	5 / 5

Problem	Score
CCO '00 P1 - Subsets	10 / 10
CCO '00 P4 - Packet Routing	7 / 7
CCO '01 P1 - The Monkey Dance	10 / 10
CCO '02 P5 - Connect The Campus	12 / 12
CCO '07 P2 - Snowflakes	3.600 / 10
CCO '11 P1 - Putnam	7 / 7
CCO '11 P2 - Vampire Tunnels	15 / 15
CCO '12 P2 - The Hungary Games	13.800 / 15
CCO '15 P2 - Artskjid	15 / 15
CCO '19 P4 - Card Scoring	25 / 25
CCO '19 P5 - Marshmallow Molecules	15 / 15
CCO '21 P1 - Swap Swap Sort	5.440 / 17
CCO '23 P1 - Binaria	12 / 12
CCO '24 P1 - Treasure Hunt	10 / 10
CCO '25 P1 - Asteroid Mining	15 / 15
CCO '96 P1 - Train Swapping	5 / 5

Problem	Score
NOI '01 P4 - Applications of Arctangent	15 / 15
NOI '10 P1 - Energy Harvesting	17 / 17
NOI '15 P1 - Automated Program Analyzer	12 / 12
NOI '97 P4 - Perfect Tour	5 / 5

Problem	Score
2-Dimensional Range Minimum Query	10.200 / 17
Sorting	3 / 3
Next Prime	5 / 5
Next Prime (Hard)	15 / 15
Longest Common Subsequence	7 / 7
Single Source Shortest Path	7 / 7

Problem	Score
COCI '06 Contest 1 #1 Modulo	3 / 3
COCI '09 Contest 3 #3 Sort	5 / 5

Problem	Score
Binary Indexed Tree Test	10 / 10
Disjoint Set Test	10 / 10
Segment Tree Test	15 / 15
Strict Evaluation	17 / 17

Problem	Score
DMOPC '13 Contest 1 P4 - AFK	7 / 7
DMOPC '13 Contest 1 P5 - Math on Titan	15 / 15
DMOPC '13 Contest 3 P1 - Sharing is Caring	5 / 5
DMOPC '13 Contest 3 P5 - A Romantic Dinner	10 / 10
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 2 P3 - Sawmill	7 / 7
DMOPC '14 Contest 2 P5 - Sawmill Scheme	10 / 10
DMOPC '14 Contest 4 P3 - Golden Lily	10 / 10
DMOPC '15 Contest 1 P6 - Lelei and Contest	17 / 17
DMOPC '16 Contest 1 P3 - Shoe Shopping	7 / 7
DMOPC '17 Contest 5 P3 - Mimi and Primes	7 / 7
DMOPC '18 Contest 1 P0 - Sorting	3 / 3
DMOPC '18 Contest 1 P1 - Sorting	5 / 5
DMOPC '18 Contest 1 P2 - Sorting	5 / 5
DMOPC '18 Contest 1 P3 - Sorting	12 / 12
DMOPC '18 Contest 1 P4 - Sorting	6 / 12
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMPG '15 S4 - Signal Hill	10 / 10

Problem	Score
ACM U of T Tryouts C0 A - Max Flow	3 / 3
ACM U of T Tryouts C0 B - Interleaving Leaves	5 / 5
ACM U of T Tryouts C1 E - Foxling Feeding Frenzy	7 / 7

Problem	Score
IOI '11 P3 - Rice Hub	15 / 15
IOI '11 P3 - Rice Hub (Standard I/O)	15 / 15
IOI '15 P1 - Boxes with Souvenirs	15 / 15
IOI '15 P1 - Boxes with Souvenirs (Standard I/O)	15 / 15
IOI '25 P1 - Souvenirs	25 / 25
IOI '25 P2 - Triple Peaks	24.500 / 35

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '20 Contest 1 J2 - A Simplex Problem	3 / 3
Mock CCC '20 Contest 1 J3 - A Geometry Problem	3 / 3
Mock CCC '20 Contest 1 J4 - A Binary Problem	5 / 5
Mock CCC '20 Contest 2 S3 - Tree Programming	10 / 10
Mock CCC '24 Contest 1 S3 - Optimal Split Point	10 / 10
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	3 / 3
Mock CCC '18 Contest 1 J1 - A String Problem	3 / 3
Mock CCC '18 Contest 1 J2 - A Substring Problem	3 / 3
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
Mock CCC '22 1 S4 - Berkeley Math Tournament Statistics	20 / 20

Problem	Score
CCO Preparation Test 2 P1 - Concatenation	17 / 17
CCO Preparation Test 2 P3 - Subsets	20 / 20
CCO Preparation Test 3 P2 - Packing Up	25 / 25
CCO Preparation Test 5 P1 - City Game	15 / 15
CCO Preparation Test 6 P2 - An Easy Problem	12 / 12
CCO Preparation Test 6 P3 - HopScotch	20 / 20

Problem	Score
Miracle Sort	3 / 3
Triway Cup '19 Summer I - An Easy Problem	5 / 5
Tree Cutting	12 / 12
Valentine's Day '15 P2 - Simon and Marcy	7 / 7

Problem	Score
16 BIT S/W ONLY	3 / 3
2spooky4me	7 / 7
Appleby Contest '19 P5 - Matrix Operation	10 / 10
Arcadia Computing Contest 1 P4 - Cyclic Sorting	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
Arcadia Computing Contest 2 P2 - Tennis	5 / 5
Another Sorting	5 / 5
A Plus B	3 / 3
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Dr. Anne Anderson Coding Contest 1 P1 - Due Dates	3 / 3
Dr. Anne Anderson Coding Contest 1 P2 - Pokemon Battles	3 / 3
Dr. Anne Anderson Coding Contest 1 P3 - The Unwritten Rules	5 / 5
Dr. Anne Anderson Coding Contest 1 P5 - Guessing Grades	7 / 7
Dilhan's Computing Contest 1 P2 - Square Sum	12 / 12
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 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 J - Sushi	12 / 12
Educational DP Contest AtCoder K - Stones	10 / 10
Educational DP Contest AtCoder L - Deque	10 / 10
Educational DP Contest AtCoder M - Candies	12 / 12
Educational DP Contest AtCoder N - Slimes	12 / 12
Educational DP Contest AtCoder O - Matching	12 / 12
Educational DP Contest AtCoder P - Independent Set	12 / 12
Educational DP Contest AtCoder Q - Flowers	15 / 15
Educational DP Contest AtCoder R - Walk	15 / 15
Educational DP Contest AtCoder Y - Grid 2	17 / 17
Educational DP Contest AtCoder Z - Frog 3	20 / 20
Fast Factorial Calculator	7 / 7
Fast Factorial Calculator 2	2 / 20
Fibonacci Sequence	15 / 15
Fibonacci Sequence (Harder)	17 / 17
Fives	10 / 10
Graph Contest 1 P1 - Counting Paths	10 / 10
Graph Contest 1 P2 - Shortest Path	5 / 5
Graph Contest 2 P2 - Directed Acyclic Graph	10 / 10
Hello, World!	3 / 3
HHPC1 P4 - Yet Another A+B Problem	10 / 10
Lil' Jami	5 / 5
A Math Contest P1 - Arrays	5 / 5
A Math Contest P10 - Tricky Multisets	12 / 12
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P5 - Good Arrays	7 / 7
A Math Contest P6 - Global Maximum	10 / 10
A Math Contest P7 - Factors	10 / 10
The Odd Number	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
OTHS Coding Competition 2 P1 - Chess Pieces	3 / 3
OTHS Coding Competition 3 (Mock CCC) S3 - Domain Expansion	10 / 10
OTHS Coding Competition 4 P1 - Square Root Decomposition	3 / 3
OTHS Coding Competition 4 P2 - Furina's Rounding	5 / 5
Postfix Notation	7 / 7
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Segment Tree Practice 1	12 / 12
Segment Tree Practice 2	12 / 12
Segment Tree Practice 3	15 / 15
Segment Tree Practice 4	17 / 17
XOR	7 / 7
XOR Sum	10 / 10

Problem	Score
VM7WC '15 #4 Gold - Chain Rule	10 / 10
VM7WC '16 #5 Silver - Jayden Eats Chocolate	7 / 7

Problem	Score
Yet Another Contest 1 P1 - Mixed Doubles	7 / 7
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5
Yet Another Contest 9 P2 - Nim	7 / 7