Aditya Kumar Singh

• Username: 4★spy_ker
• Country:  India
• Student/Professional:Student
• Institution:Kalinga Institute of Industrial Technology Bhubaneswar, Odisha, 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: 14

Current Ratings Graph Old Ratings Graph

1911 (+42)RatingProvisional
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December Cook-Off 2021 Division 2(2021-12-19 22:30:02)

Global Rank:   140

Cheated in:   

Ratings System Update

(2021-12-19 22:30:02)

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1911 (+4)RatingProvisional
Rating i Provisional Rating, click to know more

December Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   140

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 (14)

February Challenge 2021 Division 3

Team Name, Frog Sort, Highest Divisor, Maximise Function, Prime Game, Chef and Meetings, Multiple Games

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays

August Cook-Off 2021 Division 2

Equal Difference, Clear the Array, Chef and Closure, Different String

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Magical Flips, Maximise the Subsequence Sum, Remove One Element

September Cook-Off 2021 Division 2

Adjacency Hatred, Fake Swaps, Chef and Pairwise Distances, Zebra Crossing

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Make that Array!, Magical Doors

September Lunchtime 2021 Division 2

Alice vs Bob Faceoff, Yet another SOD problem, Balanced and Unique Arrays, Interesting Representation

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

December Cook-Off 2021 Division 2

Median Minimization, Binary String Game, Musical Chairs, RGB Construction

Total Problems Solved: 291