Jonathan de Koning

• Username: 3★unclemax
• Country:  United States
• Student/Professional:Student
• Institution:University of Texas at San Antonio
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 29

Current Ratings Graph Old Ratings Graph

1655 (+4)RatingProvisional
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Starters 147 Division 2 (Rated till 5 stars)(2024-08-14 22:00:02)

Global Rank:   1331

Cheated in:   

Ratings System Update

(2024-08-14 22:00:02)

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1506 (+2)RatingProvisional
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March Long Two 2022, Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1312

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 (3)

Jump from 2* to 3*

0%

Practice Python

3%

Level up from 1* to 2*

12%

Contests (29)

CodeChef Starters 21 Division 3 (Rated)

Akash and Grid, Devendra and Water Sports, Covid and Theatre Tickets

CodeChef Starters 22 Division 3 (Rated)

An Interesting Sequence, Equal Card Game, Elections in Chefland

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 3 (Rated)

TCS Examination, Chef and Fixed Deposits

March Long One 2022, Division 3 (Rated)

Akash and Missing Class, Wordle, Exact Marks, Akash and Function

March Long Two 2022, Division 3 (Rated)

Chef and Races, The Rating Dilemma

CodeChef Starters 30 Division 3 (Rated)

Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals

March Lunchtime 2022 Division 3

Sad Splits, Buy 2 Get 1 Free, Minimum number of coins

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges

Starters 113 Division 3 (Rated)

Maximum Score , Sum Neq , Make N Zero

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 115 Division 3 (Rated)

Greedy LIS Algorithm, Chocolate Distribution, Decorating Christmas Tree, A PLUS B Remastered

Starters 117 Division 3 (Rated)

Not Prime Permutation, Weapon Choice, Spell Shortening

Starters 120 Division 3 (Rated)

Valentine Gifts, Largest K, Count Subarrays, Sub or Swp

Starters 123 Division 3 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Room Allocation

Starters 125 Division 3 (Rated)

50-50 Rule, Fake Certificate, Binary Minimal

Starters 126 Division 3 (Rated)

Freedom, Permutation Disturbance, Sale, Dice Game 3, AC Please

Starters 127 Division 3

Superincreasing, Extreme Basketball, Anti-Triangle

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String, Good Binary String

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 135 Division 2 (Rated)

Invert And Equalize

Starters 136 Division 2 ( Rated )

My First Geometry Problem

Starters 137 Division 2 (Rated)

Large Differences

Starters 138 Division 2 (Rated)

Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Maximum Distance Permutations

Starters 144 Division 2 (Rated)

Largest K, Budget Allotment

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Total Problems Solved: 143