SACHIN RANA

• Username: 3★killerbeer_123
• Country:  India
• Student/Professional:Student
• Institution:Army Institute of Technology Pune, Maharashtra, 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: 10

Current Ratings Graph Old Ratings Graph

1673 (-30)RatingProvisional
Rating i Provisional Rating, click to know more

Insomnia 2018 (Rated)(2018-03-24 20:00:00)

Global Rank:   468

Cheated in:   

Ratings System Update

(2018-03-24 20:00:00)

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?

1673 (+38)RatingProvisional
Rating i Provisional Rating, click to know more

Insomnia 2018 (Rated)(2022-12-20 00:00:00)

Global Rank:   468

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 (10)

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Cook-Off 2017

Beautiful Array, Football Match

December Lunchtime 2017

Strange Function, Days in Month

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, Permutation and Palindrome

Insomnia 2018 (Rated)

Split Sums

Total Problems Solved: 22