nullvoid

• Username: 1★nullvoid
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bombay Mumbai, Maharashtra, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 18

Current Ratings Graph Old Ratings Graph

993 (+85)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2015(2015-11-16 15:00:00)

Global Rank:   3197

Cheated in:   

Ratings System Update

(2015-11-16 15:00:00)

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?

993 (-343)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3197

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 (18)

February Challenge 2015

Chef and Strings

March Challenge 2015

Devu and his Class

April Challenge 2015

Chef and Piano Scales

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Chef and new recipe

June Challenge 2015

Steady tables

August Challenge 2015

Aditi and Magic Trick

September Challenge 2015

Cracking the Code

August Cook-Off 2015

Chef and the XORed Number

June Lunchtime 2015

Chef and Bitwise OR Operation, Chef and Submatrix

August Lunchtime 2015

Churu and lost string

Total Problems Solved: 19