sonelal

• Username: 2★sony5494
• Country:  India
• Student/Professional:Student
• Institution:Maulana Azad National Institute of Technology, Bhopal Madhya Pradesh, 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: 22

Current Ratings Graph Old Ratings Graph

1439 (+6)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2015(2015-07-13 15:00:00)

Global Rank:   3741

Cheated in:   

Ratings System Update

(2015-07-13 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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1439 (-49)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3741

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 (22)

February Challenge 2014

Little Elephant and Subarrays

April Challenge 2014

Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

July Challenge 2014

Count Substrings

August Challenge 2014

The Leaking Robot

September Challenge 2014

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

October Challenge 2014

Chef and Ground

November Challenge 2014

Distinct Characters Subsequence

January Cook-Off 2015

Suraj goes shopping

January Lunchtime 2015

Piece of cake

February Challenge 2015

Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone

July Challenge 2015

Chef and Cube

Total Problems Solved: 26