bernett

• Username: 4★koolboy
• Country:  India
• Student/Professional:Student
• Institution:Amrita School of Engineering Coimbatore Tamil Nadu
• 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: 33

Current Ratings Graph Old Ratings Graph

1894 (+30)RatingProvisional
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May Challenge 2020 Division 1(2020-05-11 15:00:00)

Global Rank:   244

Cheated in:   

Ratings System Update

(2020-05-11 15:00:00)

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1894 (-129)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   244

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 (33)

January Challenge 2014

Please like me

August Cook-Off 2014

Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

The Army, Walk on the Axis

November Cook-Off 2014

Brackets, Petersen Graph

February Challenge 2014

Longest Common Pattern

March Challenge 2014

Team Split, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Mountain Holidays 2, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

June Lunchtime 2014

The Smallest Pair

July Lunchtime 2014

And Operation

September Lunchtime 2014

Chef and easy problem

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Ranka, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres

February Challenge 2016

Chef-Detective

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016

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

November Cook-Off 2016

Sebi and the highway

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)

May Challenge 2020 Division 1

Triple Sort, Chef and Bitwise Product

Total Problems Solved: 165