NIRBHAY SINGH

• Username: 3★nirbhay71
• Country:  India
• Student/Professional:Student
• Institution:National 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: 16

Current Ratings Graph Old Ratings Graph

1636 (+24)RatingProvisional
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October Cook-Off 2016(2016-10-24 00:00:00)

Global Rank:   646

Cheated in:   

Ratings System Update

(2016-10-24 00:00:00)

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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1636 (-132)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   646

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 (16)

April Challenge 2015

Broken Telephone

August Challenge 2015

Cooking Machine

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Laddu

June Challenge 2016

Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity, Chef and Tetris

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

February Cook-Off 2016

Puppy and Sum

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

February Lunchtime 2016

Chef and Socks

Total Problems Solved: 37