User jeroenopdebeek

Points breakdown

370 / 370

AC | C++20

CCO '08 P6 - Landing

on Aug. 27, 2022, 3:44 p.m.

45pp

weighted 100% (45pp)

100 / 100

AC | C++17

IOI '13 P3 - Wombats

on Feb. 20, 2023, 2:49 a.m.

40pp

weighted 95% (38pp)

100 / 100

AC | C++20

DMOPC '23 Contest 1 P6 - Sky Clearing Up

on Dec. 5, 2023, 3:25 p.m.

35pp

weighted 90% (32pp)

1 / 1

AC | C++20

Waterloo 2025 Fall A - Planting Trees

on Oct. 6, 2025, 9:59 p.m.

30pp

weighted 86% (26pp)

100 / 100

AC | C++20

Singularity Cup P6 - Explosive Breakout

on Nov. 6, 2023, 10:08 p.m.

30pp

weighted 81% (24pp)

25 / 25

AC | C++20

CCO '23 P3 - Line Town

on June 7, 2023, 12:59 p.m.

30pp

weighted 77% (23pp)

100 / 100

AC | C++20

NOI '13 P5 - Calligrapher

on June 11, 2022, 1:25 a.m.

30pp

weighted 74% (22pp)

25 / 25

AC | C++17

CCO '20 P6 - Shopping Plans

on Sept. 17, 2021, 1:55 a.m.

30pp

weighted 70% (21pp)

100 / 100

AC | C++14

DMOPC '19 Contest 7 P6 - Bob Equilibrium

on May 14, 2021, 8:04 p.m.

30pp

weighted 66% (20pp)

100 / 100

AC | C++20

COCI '07 Contest 4 #6 Kocke

on April 28, 2025, 2:49 p.m.

25pp

weighted 63% (16pp)

Problem	Score
An Animal Contest 6 P1 - Workout Routine	5 / 5
An Animal Contest 6 P2 - G-Pop	7 / 7
An Animal Contest 6 P3 - OAC	12 / 12
An Animal Contest 7 P1 - Squirrnect 4	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 8 Problem 6 - Unnecessary Forced Reverse Trash Finesse	25 / 25
Another Contest 9 Problem 1 - Black Room Boy	3 / 3
Another Contest 9 Problem 2 - Counting Down the Days	7 / 7
Another Contest 9 Problem 3 - Sun & Moon	12 / 12
Another Contest 9 Problem 4 - Alchemy	10 / 10
Another Contest 9 Problem 5 - Satellite	12 / 12

Problem	Score
Balkan OI '11 P4 - Compare	2.500 / 25
Balkan OI '11 P6 - Trapezoids	20 / 20

Problem	Score
CCC '12 J2 - Sounds fishy!	3 / 3
CCC '13 S5 - Factor Solitaire	12 / 15
CCC '17 S3 - Nailed It!	7 / 7
CCC '19 S4 - Tourism	20 / 20
CCC '20 J4 - Cyclic Shifts (Hard)	12 / 12
CCC '20 S3 - Searching for Strings	12 / 12
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

Problem	Score
CCO '08 P6 - Landing	45 / 45
CCO '13 P5 - Transforming Comets	15 / 15
CCO '18 P5 - Boring Lectures	20 / 20
CCO '20 P6 - Shopping Plans	30 / 30
CCO '22 P1 - Alternating Heights	12 / 12
CCO '22 P2 - Rainy Markets	17 / 17
CCO '22 P3 - Double Attendance	25 / 25
CCO '23 P1 - Binaria	12 / 12
CCO '23 P2 - Real Mountains	17 / 17
CCO '23 P3 - Line Town	30 / 30
CCO '23 P4 - Flip it and Stick it	17 / 17
CCO '23 P5 - Travelling Trader	13.200 / 30
CCO '23 P6 - Triangle Collection	25 / 25
CCO '25 P3 - Balanced Integer	2 / 25

User jeroenopdebeek

Points breakdown

AAC (34 points)

ACC (69 points)

APIO (25 points)

Balkan OI (22.500 points)

Baltic OI (25 points)

CCC (116 points)

CCO (280.200 points)

CEOI (23 points)

China NOI (468 points)

Classics (15 points)

COCI (421.500 points)

Data Structure Tests (25 points)

DMOPC (661.200 points)

ECOO (7.250 points)

Google Code Jam (20 points)

ICPC (22 points)

IOI (302 points)

JOI (54.680 points)

Mock CCC (168 points)

Mock CCO (50 points)

MWC (10 points)

Olympiads School (94 points)

Seasonal (68 points)

TLE (25 points)

Uncategorized (715.700 points)

WAC (47 points)

Waterloo Local (234 points)

YAC (481.600 points)

Problem	Score
CEOI '17 P2 - Sure Bet	8 / 10
CEOI '17 P5 - Palindromic Partitions	15 / 15

Problem	Score
NOI '01 P2 - Artillery Positioning	20 / 20
NOI '01 P5 - Equation Solutions	15 / 15
NOI '01 P6 - Secret of the Meteorite	9 / 15
NOI '03 P4 - Data Generator	20 / 20
NOI '04 P1 - The Depressed Cashier	20 / 20
NOI '04 P4 - Rainfall	25 / 25
NOI '06 P4 - Maximum Profit	20 / 20
NOI '09 P1 - Transformed Sequence	20 / 20
NOI '09 P4 - Plants vs. Zombies	25 / 25
NOI '09 P5 - Pipe Marbles	25 / 25
NOI '10 P2 - Super Piano	25 / 25
NOI '13 P5 - Calligrapher	30 / 30
NOI '14 P2 - Enchanted Forest	20 / 20
NOI '15 P4 - Homeric Epics	25 / 25
NOI '19 P4 - Jump	25 / 25
NOI '20 P1 - Delicacy	25 / 25
NOI '20 P2 - Destiny	24 / 25
NOI '20 P4 - Dish	20 / 20
NOI '21 P4 - Quantum Communication	25 / 25
NOI '22 P4 - Challenge NPC	25 / 25
NOIP '18 P6 - Defending the Kingdom	25 / 25

Problem	Score
COCI '06 Contest 5 #6 Dvaput	15 / 15
COCI '07 Contest 1 #6 Staza	12.500 / 25
COCI '07 Contest 4 #6 Kocke	25 / 25
COCI '07 Contest 5 #6 Baza	25 / 25
COCI '08 Contest 2 #6 Cavli	25 / 25
COCI '08 Contest 4 #4 Slikar	17 / 17
COCI '11 Contest 5 #6 Popločavanje	25 / 25
COCI '15 Contest 2 #6 Država	25 / 25
COCI '17 Contest 4 #6 Ceste	25 / 25
COCI '21 Contest 1 #5 Volontiranje	25 / 25
COCI '21 Contest 2 #4 Magneti	25 / 25
COCI '21 Contest 3 #5 Kućice	25 / 25
COCI '23 Contest 1 #4 Kocke	15 / 15
COCI '23 Contest 2 #1 Pahuljice	5 / 5
COCI '23 Contest 2 #2 Pingvin	7 / 7
COI '07 #4 Umnožak	25 / 25
COI '08 #2 Otoci	25 / 25
COI '15 #1 Dijamant	25 / 25
COI '15 #2 Palinilap	25 / 25
COI '16 #4 Zagrade	25 / 25

Problem	Score
Binary Search Tree Test	15 / 15
Heap Dijkstra Revisited	10 / 10

Problem	Score
DMOPC '15 Contest 5 P6 - Event Horizon	25 / 25
DMOPC '18 Contest 2 P5 - Another Sequence Problem	15 / 15
DMOPC '18 Contest 4 P5 - Dr. Henri and Wormholes	25 / 25
DMOPC '19 Contest 7 P6 - Bob Equilibrium	30 / 30
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 5 P3 - Permutations & Primes	12 / 12
DMOPC '21 Contest 5 P4 - Permutations & Primes	3.400 / 17
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 8 P2 - Kanna Market	10 / 10
DMOPC '21 Contest 8 P5 - Tree Building	25 / 25
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '21 Contest 9 P2 - String Puzzle	7 / 7
DMOPC '21 Contest 9 P3 - Terrible Trains	12 / 12
DMOPC '21 Contest 9 P4 - Ace of Diamonds	20 / 20
DMOPC '21 Contest 9 P5 - Chika Circle	2 / 20
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 1 P2 - Hat Swap	10 / 10
DMOPC '22 Contest 1 P3 - Group Project	12 / 12
DMOPC '22 Contest 1 P4 - Card Game	4.800 / 12
DMOPC '22 Contest 2 P1 - DMOPC Crisis	5 / 5
DMOPC '22 Contest 2 P2 - Line Trace	7 / 7
DMOPC '22 Contest 2 P3 - Good Permutations	12 / 12
DMOPC '22 Contest 2 P4 - Falling Leaves	20 / 20
DMOPC '22 Contest 2 P6 - Yogyakarta Elevators	25 / 25
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 3 P2 - New Components	10 / 10
DMOPC '22 Contest 3 P3 - Ina's Takodachis	15 / 15
DMOPC '22 Contest 3 P4 - Sketchy Cereal	21 / 30
DMOPC '22 Contest 4 P1 - Alone Time	5 / 5
DMOPC '22 Contest 4 P2 - Fake Painting	10 / 10
DMOPC '22 Contest 4 P3 - K-Knight	15 / 15
DMOPC '22 Contest 4 P4 - Anki Reviews	17 / 17
DMOPC '22 Contest 4 P5 - Blackboard Game	17 / 17
DMOPC '22 Contest 4 P6 - K-Sort	3 / 30
DMOPC '22 Contest 5 P1 - Triple Triplets	5 / 5
DMOPC '22 Contest 5 P2 - Absolutely Even	7 / 7
DMOPC '22 Contest 5 P3 - Sorted XOR	12 / 12
DMOPC '22 Contest 5 P4 - Ricochet	17 / 17
DMOPC '22 Contest 5 P5 - Twos and Threes	25 / 25
DMOPC '22 Contest 5 P6 - Threes and Twos	20 / 20
DMOPC '23 Contest 1 P1 - Peak Grid	5 / 5
DMOPC '23 Contest 1 P2 - Knights on Chessboard	10 / 10
DMOPC '23 Contest 1 P3 - Colour Scheme	12 / 12
DMOPC '23 Contest 1 P4 - Wandering Walk	17 / 17
DMOPC '23 Contest 1 P5 - Perfect Matching	25 / 25
DMOPC '23 Contest 1 P6 - Sky Clearing Up	35 / 35
DMPG '16 G6 - SAO Queries	25 / 25
DMPG '17 S5 - Bit Matrix	15 / 15

Problem	Score
ECOO '18 R1 P1 - Willow's Wild Ride	5 / 5
ECOO '19 R3 P4 - Network	2.250 / 15

Problem	Score
ICPC NAQ 2016 G - Inverse Factorial	10 / 10
ICPC NEERC 2010 C - Cactus Revolution	12 / 30

Problem	Score
IOI '01 P3 - Twofive	25 / 25
IOI '03 P6 - Seeing the Boundary	20 / 20
IOI '06 P2 - Pyramid	17 / 17
IOI '07 P2 - Flood	25 / 25
IOI '11 P1 - Tropical Garden	25 / 25
IOI '11 P1 - Tropical Garden (Standard I/O)	25 / 25
IOI '12 P2 - Parachute Rings	25 / 25
IOI '12 P2 - Parachute Rings (Standard I/O)	25 / 25
IOI '12 P4 - Ideal City	25 / 25
IOI '13 P3 - Wombats	40 / 40
IOI '13 P4 - Cave	10 / 10
IOI '15 P2 - Scales	25 / 25
IOI '19 P1 - Arranging Shoes	15 / 15

Problem	Score
JOI '05 Final Round P1 - Questionnaire	3 / 3
JOI '05 Final Round P2 - String	5 / 5
JOI '05 Final Round P3 - Square	5 / 5
JOI '05 Final Round P4 - String of Rings	7 / 7
JOI '05 Final Round P5 - Sheets	15 / 15
JOI '23 Open P1 - Ancient Machine 2	19.680 / 20

Problem	Score
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles	5 / 5
Mock CCC '24 Contest 1 S2 - Owen the Toucan	7 / 7
Mock CCC '24 Contest 1 S3 - Optimal Split Point	8 / 10
Mock CCC '24 Contest 1 S4 - Tommy's Lemonade Stand	12 / 12
Mock CCC '23 1 S1 - Composite Fibonacci Numbers	5 / 5
Mock CCC '23 1 S2 - Keenan Hates Triangles	5 / 5
Mock CCC '23 1 S3 - Richard The Penguin	10 / 10
Mock CCC '23 1 S4 - Roger Says Yabe	15 / 15
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem	25 / 25
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	3 / 3
Mock CCC '23 2 S2 - Keenan Hates Triangles	7 / 7
Mock CCC '23 2 S3 - Richard The Penguin	10 / 10
Mock CCC '23 2 S4 - Roger Says Yabe	15 / 15
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem	25 / 25
Mock CCC '19 Contest 2 S1 - Tudor's Double Doors	3 / 3
Mock CCC '19 Contest 2 S2 - Tudor Puts A Goat On A Rope	3 / 3
Mock CCC '19 Contest 2 S3 - Tudor Tallies Triangular Totals	10 / 10

Problem	Score
CCO Preparation Test 3 P1 - Primitive Pythagorean Pairs	25 / 25
CCO Preparation Test 4 P3 - Dynamic MST	25 / 25

Problem	Score
Game of Honesty	15 / 15
Palindrome Path	20 / 20
Bob's Number Matrix	15 / 15
Permutation Sorting	20 / 20
Tree Journey	12 / 12
Three Colors	12 / 12

Problem	Score
Back From Summer '17 P6: Crowded Cities	4 / 20
Back To School '18: Letter Frequency	7 / 7
Max's Anger Contest Series 1 P1 - Hunger Bar	3 / 3
Max's Anger Contest Series 1 P2 - Wesley's Anger Contest 7 P1 - Enraged	5 / 5
Max's Anger Contest Series 1 P3 - Divide and Connor	7 / 7
Max's Anger Contest Series 1 P4 - Greedily Gamboling	12 / 12
Max's Anger Contest Series 1 P4 - Greedily Gamboling (Hard Version)	15 / 15
Max's Anger Contest Series 1 P5 - Slacking Subsequences	15 / 15

Problem	Score
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 1 P5 - Hacking Grades	7 / 7
Arcadia Computing Contest 2 P1 - Rejected	3 / 3
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
A Plus B	3 / 3
BPC 1 S1 - Homework Questions	5 / 5
BPC 1 S2 - Train Commute	12 / 12
Back to School '24 P1 - Kicking	5 / 5
Back to School '24 P2 - Cheating	10 / 10
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Cheerio Contest 3 P3 - Everything Array	12 / 12
Cheerio Contest 3 P4 - Bit Flips	12 / 12
Cheerio Contest 3 P5 - Train Network	2.700 / 20
Dominoes	25 / 25
Fast Factorial Calculator 2	1 / 20
Fast Bit Counting	3 / 3
Facebook Hacker Cup '14 Final Round P4 - Tours	25 / 25
HHPC1 P1 - Yielding the Longest Substring	5 / 5
HHPC1 P2 - Yuniformity Challenge	10 / 10
HHPC1 P3 - Yonder Ridge	12 / 12
HHPC1 P4 - Yet Another A+B Problem	10 / 10
HHPC1 P5 - Yunity Grouping Objects	17 / 17
HHPC1 P6 - Yarn Street's Strategic Shopping	20 / 20
A Math Contest P1 - Arrays	5 / 5
A Math Contest P10 - Tricky Multisets	12 / 12
A Math Contest P11 - Weak Goldbach's Conjecture	15 / 15
A Math Contest P12 - Triangles	17 / 17
A Math Contest P14 - Choosing Marbles	25 / 25
A Math Contest P15 - Matrix Fixed Point	20 / 20
A Math Contest P2 - Subsequence Sum	5 / 5
A Math Contest P3 - LIS Reconstruction	7 / 7
A Math Contest P4 - Circle Cutting	7 / 7
A Math Contest P5 - Good Arrays	7 / 7
A Math Contest P6 - Global Maximum	10 / 10
A Math Contest P7 - Factors	10 / 10
A Math Contest P8 - Permutation Counting	12 / 12
A Math Contest P9 - Buy Some Get Some	12 / 12
Singularity Cup P1 - Maximum Permutation Product	5 / 5
Singularity Cup P2 - Reverse Substring Partitioning	10 / 10
Singularity Cup P3 - Interplanetary Travel	15 / 15
Singularity Cup P4 - Staircase Sum	17 / 17
Singularity Cup P5 - Perfect Matrix	20 / 20
Singularity Cup P6 - Explosive Breakout	30 / 30
Tall	15 / 15
The Contest Contest 1 P1 - A Typical Codeforces Problem	5 / 5
The Contest Contest 1 P2 - A Typical CCC Senior Problem	10 / 10
The Contest Contest 1 P3 - A Typical WAC Problem	15 / 15
The Contest Contest 1 P4 - A Typical YAC Problem	10 / 25
The Contest Contest 1 P5 - A Typical CCO Problem	20 / 20
The Contest Contest 1 P6 - A Typical DMOPC Problem	3 / 30
UACC 1 P1 - Bench Press Bob	3 / 3
UACC 1 P2 - Puzzling Parks	5 / 5
UACC 1 P3 - Cheeky Checkers	7 / 7
UACC 1 P4 - Converging Streams	10 / 10
UACC 1 P5 - A Lab Report	10 / 10
UACC 1 P6 - Labyrinth Treasure	12 / 12
UTS Open '24 P1 - Watering the Plants	5 / 5
UTS Open '24 P2 - Happy Gifts	7 / 7
UTS Open '24 P3 - LXghts Out	10 / 10
UTS Open '24 P4 - Political Espionage	12 / 12
UTS Open '24 P5 - Parity Challenge	17 / 17
UTS Open '24 P6 - Candygrams	20 / 20

Problem	Score
Wesley's Anger Contest Reject 4 - GPS	10 / 10
Wesley's Anger Contest Reject 2 - 🥕suba	3 / 3
Wesley's Anger Contest Reject 5 - Two Permutations	5 / 5
Wesley's Anger Contest Reject 6 - Geology	12 / 12
Wesley's Anger Contest Reject 1 - Stupendous Bowties 2	17 / 17

Problem	Score
Waterloo 2022 Fall A - Zero AAMP Currents	10 / 10
Waterloo 2022 Fall C - Squaring the Triangle	17 / 17
Waterloo 2022 Fall D - Course Selection	5 / 5
Waterloo 2022 Fall E - Water Flow	12 / 12
Waterloo 2023 Fall B - Orb Tent	17 / 17
Waterloo 2023 Fall C - Whitewater Rafting	17 / 17
Waterloo 2023 Fall D - Reptilian Communism	7 / 7
Waterloo 2023 Winter A - So I'll Max Out My Constructive Algorithm Skills	5 / 5
Waterloo 2023 Winter B - Laser Trap	12 / 12
Waterloo 2023 Winter C - Sandpile on Clique	10 / 10
Waterloo 2023 Winter D - Link-Cut Tree	10 / 10
Waterloo 2023 Winter E - Colourful Tree	25 / 25
Waterloo 2025 Fall A - Planting Trees	30 / 30
Waterloo 2025 Fall B - Palindromic Triplets	20 / 20
Waterloo 2025 Fall C - Magic Matrix	12 / 12
Waterloo 2025 Fall D - The Worm in the Apple	20 / 20
Waterloo 2025 Fall E - Efficient Room Scheduling	5 / 5

Problem	Score
Yet Another Contest 2 P1 - Betting	5 / 5
Yet Another Contest 2 P2 - Secret Sequence	7 / 7
Yet Another Contest 2 P3 - Maximum Damage	10 / 10
Yet Another Contest 2 P4 - No More Arithmetic	15 / 15
Yet Another Contest 2 P5 - Mirror Maze	17 / 17
Yet Another Contest 2 P6 - Travel Budget	20 / 20
Yet Another Contest 4 P1 - Snap	5 / 5
Yet Another Contest 4 P2 - Alchemy 2	7 / 7
Yet Another Contest 4 P3 - Canadian Cactus Competition	12 / 12
Yet Another Contest 4 P5 - Signpost	20 / 20
Yet Another Contest 4 P6 - No More Solitaire	18 / 20
Yet Another Contest 5 P1 - Number Pyramid	7 / 7
Yet Another Contest 5 P2 - Big Score	10 / 10
Yet Another Contest 5 P3 - Potted Plants	12 / 12
Yet Another Contest 5 P4 - Nils++	5.100 / 17
Yet Another Contest 5 P5 - No More Concerts	20 / 20
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 6 P2 - No More Telemarketers	7 / 7
Yet Another Contest 6 P3 - No More Cell Phone Messaging	10 / 10
Yet Another Contest 6 P4 - No More Nails!	12 / 12
Yet Another Contest 6 P5 - No More Coyotes	15 / 15
Yet Another Contest 6 P6 - No More Snakes and Ladders	17 / 17
Yet Another Contest 7 P1 - Page Turning	5 / 5
Yet Another Contest 7 P2 - Coprime Grid	10 / 10
Yet Another Contest 7 P3 - No More Math Homework	12 / 12
Yet Another Contest 7 P4 - Paparazzi	17 / 17
Yet Another Contest 7 P5 - Egg Dropping	23 / 25
Yet Another Contest 7 P6 - Arithmetic Sequence Data Structure	7.500 / 25
Yet Another Contest 8 P1 - Permutation Sorting	5 / 5
Yet Another Contest 8 P2 - No More Modern Art	7 / 7
Yet Another Contest 8 P3 - Herobrine	12 / 12
Yet Another Contest 8 P4 - Fluke 2	15 / 15
Yet Another Contest 8 P5 - Hidden Tree	15 / 20
Yet Another Contest 8 P6 - Into the Woods	20 / 20
Yet Another Contest 9 P1 - Permutation Cutting	5 / 5
Yet Another Contest 9 P2 - Nim	7 / 7
Yet Another Contest 9 P3 - Divide and Delete	10 / 10
Yet Another Contest 9 P4 - Grid Push	15 / 15
Yet Another Contest 9 P5 - Road Redistribution	15 / 15
Yet Another Contest 9 P6 - Tribes	25 / 25