Kumar Krishna

• Username: 2★kkrishna007
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, 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: 21

Current Ratings Graph Old Ratings Graph

1531 (-15)RatingProvisional
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CodeChef Starters 10 Division 2 (Rated)(2021-08-29 19:00:02)

Global Rank:   2833

Cheated in:   

Ratings System Update

(2021-08-29 19:00:02)

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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1531 (-83)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 10 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2833

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 (21)

October Challenge 2020 Division 2

Replace for X, Positive AND, Chef and Easy Queries, Covid Run

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences, One Zero Swaps

November Cook-Off 2020 Division 2

Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

UWCOI 2021 (Rated for all)

Hidden Numbers

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

January Lunchtime 2021 Division 3 (Unrated)

Even Sum, Even Differences, Dreams of Divisibility, Pair Me, Ashishgup and Interviews, Binary Subsequence

February Lunchtime 2021 Division 3

Daanish and Problems, Average Sorting, Palpal Strings, Smallest Possible Whole Number, Coprime Range

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score

April Lunchtime 2021 Division 2

Bench Press, Chef in Heaven

May Cook-Off 2021 Division 3

The Last Problem, Marathon

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

May CodeChef Starters 2021 Division 2 (Unrated)

Plagiarism, Lazy Chef

July Lunchtime 2021 Division 2

Beautiful Pairs

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum

Total Problems Solved: 96