Harmandeep Singh Kahlon

• Username: 5★drajingo
• Country:  India
• Student/Professional:Professional
• Organisation:Rubrik
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

2058 (+41)RatingProvisional
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September Mega Cook-Off 2019 Division 1(2019-09-23 00:00:00)

Global Rank:   60

Cheated in:   

Ratings System Update

(2019-09-23 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2058 (+32)RatingProvisional
Rating i Provisional Rating, click to know more

September Mega Cook-Off 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   60

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)

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Practice Paths (0)

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Contests (25)

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String, Sereja and Progressions

November Challenge 2016

Count Permutations, Friends Meeting, Gift and Chef, Chef and squares, Sereja and Ways in the Cube, Task for Alexey

December Challenge 2016

Train Partner, Our Base is Under Attack, Edit Distance Revisited, Kirito in labyrinth

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the highway

January Challenge 2017

Digits Cannot Separate, Tourists in Mancunia, Reservior, Fantastic Four, Chef and Circle, Capital Movement, Cats and Dogs, Sereja and Circles

February Challenge 2017

Chef and Yoda, Eugene and big number, Interval Game, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Cooking Schedule, Bandwidth of a matrix, (CH) Bear and Sorted Rows, Bear and Extra Number, Pishty and birthday, Xenny and Alternating Tasks

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies

April Challenge 2017

Bear and Row 01, Dish Of Life, Similar Dishes, Bear and Clique Distances, Chef and Divisor Tree, Stable market, Chef and Digits, Bear and Random Grid, (CH) Serejs and Billiards

May Challenge 2017

Chef and Sub Array , Long Sandwich , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017

A Good Set, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast, Saboteur (Challenge), Chef and Prime Queries

June Cook-Off 2017

Ada and crayons, SnackUp

August Cook-Off 2017

Real obtuse, From heaven to earth

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

July Lunchtime 2017

Good Pairs, Find the Maximum Value

September Lunchtime 2017

Chef and Dice, Chef and Cook-Off Contests

International Coding League (Rated)

Cards Game, Worst Case Analysis

September Mega Cook-Off 2018 Division 1

OneTwo, Make a Permutation

December Challenge 2018 Division 1

Max and Electrical Panel

November Challenge 2018 Division 1

Appy Loves One, Good Median, Magician versus Chef 2

October Challenge 2018 Division 1

Chef and Surprise Chessboard, Minimize Digitsum, Appy and Balloons

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance

September Mega Cook-Off 2019 Division 1

Angry Grandfather, Fitness Exercises

Starters 50 Division 1 (Unrated)

Air Blimp, Sum Product Segments, Average Permutation

Total Problems Solved: 122