Rajiv Kumar

• Username: 3★strider_08
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New Delhi, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1640 (-20)RatingProvisional
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August Challenge 2020 Division 1(2020-08-17 15:00:00)

Global Rank:   954

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

How the rating system works?

1640 (-128)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   954

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 (26)

October Challenge 2017

A Balanced Contest

November Challenge 2017

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

January Challenge 2018

Rectangle

February Cook-Off 2018

Chef and Cook-Off

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

March Cook-off 2018 Division 2

Chef Judges a Competition

September Mega Cook-Off 2018 Division 2

ATM Machine

November Cook-Off 2018 Division 2

Truth and Dare

April Challenge 2018 Division 2

Workers

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

November Challenge 2018 Division 2

Chef and Ridges, Chef and Happiness, Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

September Lunchtime 2018 Division 2

Judging Delay

October Lunchtime 2018 Division 2

Three Friends

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Fancy Quotes

February Challenge 2019 Division 2

Deputy Chef, Art of Balance, Chef and Secret Ingredients, Chef and Magical Jars, Appy and Contest

March Challenge 2019 Division 2

Chef and Number Game

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

June Challenge 2020 Division 2

Chef and Icecream, Chef and Price Control, Chef and String, Covid Sampling (Challenge), The Tom and Jerry Game!, Even Matrix

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 1

Smallest KMP

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

Total Problems Solved: 155