Ranjan kumar

• Username: 2★bickyiiestian
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Engineering Science and Technology, Shibpur Howrah, 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: 21

Current Ratings Graph Old Ratings Graph

1568 (-46)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2015(2015-12-14 15:00:00)

Global Rank:   3710

Cheated in:   

Ratings System Update

(2015-12-14 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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1568 (+49)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2015(2022-12-20 00:00:00)

Global Rank:   3710

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 (21)

February Challenge 2015

Let us play with rank list, Chef and Equality, Chef and Chain

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone

May Challenge 2015

Devu and binary String, Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Chef and Cube

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Count Steps in Matrix, Chef and Chetris, Bank robbery, Chain of Doughnuts

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

February Cook-Off 2015

Fit Squares in Triangle

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

October Cook-Off 2015

Almost Sorted Permutation

June Lunchtime 2015

Chef and Two Strings

July Lunchtime 2015

Greedy puppy

Total Problems Solved: 57