Asif Ahmed Sardar

• Username: 3★astroboy
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• 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: 19

Current Ratings Graph Old Ratings Graph

1699 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

July Lunchtime 2015(2015-07-26 14:15:00)

Global Rank:   1012

Cheated in:   

Ratings System Update

(2015-07-26 14:15:00)

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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1699 (+97)RatingProvisional
Rating i Provisional Rating, click to know more

July Lunchtime 2015(2022-12-20 00:00:00)

Global Rank:   1012

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 (19)

January Challenge 2014

Chef and Feedback, Please like me

April Cook-Off 2014

Snape and Ladder

July Cook-Off 2014

Copy-Paste, Sum Queries

October Cook-Off 2014

The Army, Walk on the Axis

March Challenge 2014

Walk

April Challenge 2014

Farmer Feb

May Challenge 2014

Chef-jumping

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem

June Lunchtime 2014

The Smallest Pair

September Lunchtime 2014

Chef and easy problem 2, Chef and easy problem

October Lunchtime 2014

Tanu and Head-bob

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

May Cook-Off 2015

Devu and friendship testing

July Lunchtime 2015

Greedy puppy

Total Problems Solved: 123