Neeraj Singh

• Username: 2★neerajkumar93
• Country:  India
• Student/Professional:Professional
• Organisation:Infosys Technologies Ltd.
• 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: 6

Current Ratings Graph Old Ratings Graph

1438 (-61)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2018 Division 2(2018-09-29 22:30:02)

Global Rank:   3907

Cheated in:   

Ratings System Update

(2018-09-29 22:30:02)

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1438 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   3907

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 (6)

March Challenge 2016

Palindromic substrings

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Similar Dishes

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

Total Problems Solved: 15