Rajat Kumar Singh

• Username: 3★rksthegreat_1
• Country:  India
• Student/Professional:Student
• Institution:Indraprastha Institute of Information Technology, Delhi 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: 18

Current Ratings Graph Old Ratings Graph

1736 (-24)RatingProvisional
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October Challenge 2018 Division 2(2018-10-20 15:00:03)

Global Rank:   3255

Cheated in:   

Ratings System Update

(2018-10-20 15:00:03)

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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1736 (+109)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   3255

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 (18)

August Long Challenge 2017

Chef and Mover, Chef and Rainbow Array, Greedy Candidates, Palindromic Game

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Villages and Tribes

September Cook-Off 2017

Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Weird Queries, Chef and Employment Test

November Cook-Off 2017

Random Pair

September Lunchtime 2017

Chef and Cook-Off Contests

October Lunchtime 2017

Buggy Calculator

November Lunchtime 2017

Smart Strategy

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

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

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

June Challenge 2018 Division 2

Naive Chef, Vision

July Challenge 2018 Division 2

Reach Equilibrium, No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 2

Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

Total Problems Solved: 68