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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Jeroen Op de Beek
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Jeroen Op de Beek

  • 7★jeroenodb
  •   Netherlands
  • Student
  • Delft University of Technology Netherlands
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 13
2803 (+60)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 193 (Rated for all)(2025-07-02 22:30:00)
Global Rank:   1
Cheated in:   

Ratings System Update

(2025-07-02 22:30:00)
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2739 (+118)RatingProvisional
Rating i Provisional Rating, click to know more
August Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   17
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

Practice Paths (1)

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Practice for ZCO and INOI

4%

Contests (13)

SnackDown 2021 - Online Qualifiers

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Magical Subsequence, ChefWM, And Or Union, Covid and Theatre Tickets, Mean equals Median, The Melancholy of Problem Setter

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Palindrome Love, Avoid Contact, Special String, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Hidden Permutation, Count Arrays, K Distinct Array, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

March Cook-Off 2022 Division 1

Secret Tree, Dragonado And XOR, Flippable Points, Alternating Divisibility

April Lunchtime 2022 Division 1(Rated)

Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania, AND Palindromes

May Long One 2022 Division 1 (Unrated)

Four Arrays

July Cook-Off 2022 Division 1 (Rated)

String Break, Partition Queries, Segmentation Fault, Subsequence LCM

June Lunchtime 2022 Division 1 (Rated)

The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment

Starters 46 Division 1 (Unrated)

Prime Xor, Vowel Anxiety, Maximum Diversity, Equal Subsequences, Array sorting, Sort the String

July Long Two 2022 Division 1 (Unrated)

Similar Subsequence

August Lunchtime 2022 Division 1 (Rated)

Sort the Array, Tree Coloring, Subtract 12 Operation, Mex On Subtrees

February Cook-Off 2023 Division 1 (Rated)

Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army

Starters 79 Division 1 (Rated till 5 Stars)

Sussy Perms, Split or Decrease

Starters 80 Division 1 (Rated till 5 stars)

Permutation Subsequence, Three-People Contests, c8kbf and Tree, Prefix Permutation, Eat Rock!, Matrix Pain

Starters 81 Division 1 (Unrated)

Horde Chess, Unimodal Subsets

Starters 87 Division 1 (Rated till 6 Stars)

OR-XOR, Count the Permutations (always), Checkpoint, Inversions of subsequences, AB plus C, One or All

Starters 91 Division 1 (Rated till 6 Stars)

Cheapest Office, Limited Shopping

Starters 93 Division 1 (Rated for All)

Thank U, Next, Why Try, Positions, NASA, Greedy, Bloodline, Motive

Starters 96 Division 1 (Rated till 5 Stars)

Absolute Differences

Starters 103 Division 1 (Rated till 6 Stars)

Cost Distribution, Make and Break on Tree

Starters 107 Division 1 (Rated till 6 Stars)

Recover The Array

Starters 112 Divison 1 (Rated till 6 Stars)

Maximise Sum

Starters 114 Division 1 (Rated till 6 Stars)

Painting Walls, Christmas Candy, Christmas Greetings

Starters 119 Division 1 (Rated till 6-Stars)

The Electrifying Problem

Starters 124 Division 1 (Rated till 5-Stars)

Swap and Unite, Make It One, How many arrays, It is a tree

Starters 126 Division 1 (Rated till 6 Stars)

Remove the Peaks, Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps

Starters127 Division 1

Array Operations, Expected Components, Curse of Damyaan, Purify It, ABC Conjecture, The Ides of March, Anti-Triangle

Starters 129 Division 1 (Rated till 5-Stars)

SumXor, Tiki Taka

Starters 131 Division 1 (Rated till 5 Stars)

Chef needs to return some videotapes, ABC Conjecture 2, K-Closeness, Digit Space, Encrypt Value, T-Perm

Starters 132 Division 1 (Rated till 6 Stars)

ALIEN-OR, Optimal Flip, Random Array, Goodness Over Good, MEX QUERIES , Prime Query, Mex Path

Starters 134 Division 1 (Rated till 6-Stars)

Count Good RBS

Starters 136 Division 1 ( Rated till 6-Stars )

Non-Zero XOR

Starters 140 Division 1 (Rated till 5-Stars)

Lucky Matrix, Split Permutation, Trick Or Treat, Break The String, Tree Removal

Starters 143 Division 1 (Rated till 5-Stars)

Split Sort Permutation, Non-Divisor Array, Max Min and Length, Spread of Ratism, Lex Min Binary String

Starters 149 (Rated till 5 stars)

Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Hard Version), Construct Degree, Chef Loves Beautiful Strings (Easy Version)

Starters 151 (rated till 5 stars)

Ball Game, Shooting (Hard), RGB Grid (Hard), Sequence Search, RGB Grid (Easy), RGB Grid (Medium)

Starters 154 (Rated till 6 stars)

Min Max Paths

Starters 161 (Rated)

Min-Max Game, Red-Blue Sort, One To Three, Quick Exit

Starters 166 (Rated till 6 stars)

All Equal, Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library, Christmas Gifts, Merry Christmas!

Starters 167 (Rated till 5 stars)

Lottery Tickets

Starters 178 (Rated till 6 star)

Smoothly Increasing , Colosseum, Big Difference, Count Disjoint Arrays, Reduce to Palindrome, Minimum Colours (Hard)

Starters 181 (Rated for all)

The Best Matrix, Tree Colouring (Hard), Mex Permutation (Easy), Mex Permutation (Hard), Tree Operations (Easy), Flip Prefix

Starters 190 (Rated till 5 star)

GCD Equals Mex

Starters 193 (Rated for all)

Mex Tree (Min), Mex Tree (Max), Distance Multiplier, Interactive MST, Shop Game (Easy), Add Permutation

Total Problems Solved: 240

Contributions

Problems Authored (1)
Contest Problem
LTIME112 ADJACNTPAIRS
Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution

2803
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2803)
  • 15 Global Rank
  • 1 Country Rank

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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