Prajwal Krishna

• Username: 3★pk1210
• Country:  India
• Student/Professional:Student
• Institution:International Institute of Information Technology, Hyderabad Telangana, 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: 19

Current Ratings Graph Old Ratings Graph

1778 (-51)RatingProvisional
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August Challenge 2020 Division 1(2020-08-17 15:00:00)

Global Rank:   1084

Cheated in:   

Ratings System Update

(2020-08-17 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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1778 (+57)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   1084

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 (19)

November Challenge 2017

Chef goes Left Right Left, Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction

December Challenge 2017

Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

December Cook-Off 2017

Beautiful Array, Football Match

December Lunchtime 2017

Days in Month

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle

February Challenge 2018

Chef And His Characters, Permutation and Palindrome, Car-pal Tunnel, Chef And The Patents, Broken Clock

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas

April Challenge 2018 Division 2

Workers

May Challenge 2018 Division 2

Xor Again, Mighty Friend, Minimum Deletions

December Challenge 2018 Division 2

Chef and Interactive Contests

February Cook-Off 2019 Division 2

Max Range Queries, Buying New Tablet, Chef and Party

July Challenge 2019 Division 2

Guess the Prime!, Parity Again, Minimum and Maximum, Chef and Mean

June Challenge 2020 Division 2

Chef and Icecream, Chef and Price Control, Chef and String, The Delicious Cake, The Tom and Jerry Game!, Even Matrix

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point, Doctor Chef

August Challenge 2020 Division 1

Smallest KMP

June Cook-Off 2020 Division 2

Cache Hits, Per Capita Income, Max Mex

June Lunchtime 2020 Division 1

Maximum AND, Square Submatrices

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

Total Problems Solved: 145