Aditya Narayan Singh

• Username: 3★adityans1923
• Country:  India
• Student/Professional:Student
• Institution:Home Schooling
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1736 (+53)RatingProvisional
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February Challenge 2019 Division 2(2019-02-13 15:00:02)

Global Rank:   536

Cheated in:   

Ratings System Update

(2019-02-13 15:00:02)

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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1736 (-69)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   536

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 (31)

September Challenge 2017

Little Chef and Sums, Minimum Good Permutation

December Challenge 2017

Penalty Shoot-out, Chef And his Cake

September Cook-Off 2017

Subsequence Equality

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

Minion Chef and Bananas, Minions and Voting, Chef and Glove, A Big Sale, Chef and Easy Problem, Pishty and Triangles, Mix the Colors

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

June Cook-Off 2018 Division 2

Archi and Comparsion, Good Permutations

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

October Mega Cook-Off 2018 Division 2

Ada and the Staircase, Binary Nim 2

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Chef and Array (Challenge), Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 2

Xor Again, Minimum Deletions, Mighty Friend

June Challenge 2018 Division 2

Two Flowers, Naive Chef, Binary Shuffle, Sheokand and String, Vision

July Challenge 2018 Division 2

Magic Set, Strike or Spare

September Challenge 2018 Division 2

Magician versus Chef

December Challenge 2018 Division 1

Max and Electrical Panel

October Challenge 2018 Division 2

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles

June Lunchtime 2018 Division 2

Counting Pretty Numbers, Sort the Leaves, Summary Power

July Lunchtime 2018 Division 2

Split Stones, Forced Particles

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

September Lunchtime 2018 Division 2

Judging Delay, Chef Restaurant

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question

Insomnia 2018 (Rated)

Split Sums

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

January Lunchtime 2019 Division 1

Rooks

February Challenge 2019 Division 2

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

Total Problems Solved: 143