Aditya Kumar

• Username: 5★alpha16
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, India
• 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: 26

Current Ratings Graph Old Ratings Graph

2135 (+27)RatingProvisional
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April Challenge 2021 Division 1(2021-04-12 15:00:00)

Global Rank:   46

Cheated in:   

Ratings System Update

(2021-04-12 15:00:00)

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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2135 (-133)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   46

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 (26)

September Mega Cook-Off 2018 Division 2

Make a Permutation, ATM Machine

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

December Cook-Off 2018 Division 2

Camp Or Not

December Challenge 2018 Division 2

(Challenge) Delete DAG, Max and Electrical Panel, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Happiness, Chef and Difficult Contests, Good Median, Chef and Ridges

October Challenge 2018 Division 2

Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles

September Lunchtime 2018 Division 2

Judging Delay

November Lunchtime 2018 Division 2

Event

December Lunchtime 2018 Division 2

Print Pattern, Choosing from Buckets

January Challenge 2019 Division 2

Chef and Modulo Game, A Pizza Slice, Fancy Quotes, Distinct Pairs, Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

February Lunchtime 2019 Division 1

The Tricky Deal

March Challenge 2019 Division 1

Chef and Number Game, (Challenge) Interleaving Strings, Chef and a Beautiful Digit, Yet Again a Subarray Problem, Chef got Recipes, Chef and Soccer

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal

May Challenge 2019 Division 1

Ada Rooks 2, Where to Build the Roads

June Challenge 2019 Division 1

(Challenge) SnackDown 99, Lent Money, Chef and Ingredients, Sum and GCD

August Challenge 2019 Division 1

Encoding, Dilemma, Maximize an Expression, Guddu and his Mother

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification

February Challenge 2020 Division 1

(Challenge) Raisins, Long Contest and Cook Off Overlaps, No Change Required, Expected Change, Chef and Railway Stations

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

January Lunchtime 2020 Division 1

Construct Array, Under the Tunnels

January Cook-Off 2021 Division 1

Mex Subsequence

January Lunchtime 2021 Division 1 (Unrated)

Dreams of Divisibility, Even Sum, Good Grid

February Challenge 2021 Division 1

Cut the Cake (Challenge), Highest Divisor, Maximise Function, XOR Sums, Multiple Games, Prime Game, Chef and Meetings, Another Tree with Number Theory, Team Name, Frog Sort

March Lunchtime 2021 Division 1

Uniform, Lunchtime, Gamer

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

International Coding Marathon 2021 Division 1 (Unrated)

Lucky Boundaries

Total Problems Solved: 154