Abhishek Kumar Singh

• Username: 2★as_4
• Country:  India
• Student/Professional:Student
• Institution:Heritage Institute of Technology, Kolkata
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1587 (-4)RatingProvisional
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August Lunchtime 2021 Division 2(2021-08-28 22:30:02)

Global Rank:   2902

Cheated in:   

Ratings System Update

(2021-08-28 22:30:02)

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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1587 (-103)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   2902

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)

August Challenge 2019 Division 2

Football

August Lunchtime 2019 Division 2

Eidi Gift

September Mega Cook-Off 2019 Division 2

Playing with Matches

September Lunchtime 2019 Division 2

Chef Feeds Cats

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Phone Prices

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

November Challenge 2019 Division 2

Weapon Value, Hard Sequence

January Challenge 2020 Division 2

Breaking Bricks

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

Pintu and Fruits

February Lunchtime 2020 Division 2

At the Gates

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Chef and Linear Chess, Another Card Game Problem

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

July Cook-Off 2020 Division 2

Even-tual Reduction

August Lunchtime 2020 Division 2

Mode of Frequencies

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

January Challenge 2021 Division 2

Watching CPL, Fair Elections

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

Coders' Legacy (Rated for all)

Chef vs Doof

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Space Arrays

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks

Total Problems Solved: 84