sunny narayan

• Username: 2★sinus
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Patna Bihar, 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: 9

Current Ratings Graph Old Ratings Graph

1468 (+81)RatingProvisional
Rating i Provisional Rating, click to know more

January Long Challenge 2016(2016-01-11 15:00:00)

Global Rank:   683

Cheated in:   

Ratings System Update

(2016-01-11 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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1468 (-238)RatingProvisional
Rating i Provisional Rating, click to know more

January Long Challenge 2016(2022-12-20 00:00:00)

Global Rank:   683

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 (9)

May Challenge 2015

Chef and new recipe

August Challenge 2015

Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays

December Challenge 2015

Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

Total Problems Solved: 24