Raj

• Username: 3★raj107
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, 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: 30

Current Ratings Graph Old Ratings Graph

1725 (+55)RatingProvisional
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January Challenge 2021 Division 3(2021-01-11 15:00:04)

Global Rank:   162

Cheated in:   

Ratings System Update

(2021-01-11 15:00:04)

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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1725 (-15)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   162

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 (30)

September Mega Cook-Off 2018 Division 2

Make a Permutation, ATM Machine

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

September Challenge 2018 Division 2

Magician versus Chef

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

January Cook-Off 2019 Division 2

Ada King, Ada School

February Challenge 2019 Division 2

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

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes, Yet Again a Subarray Problem

April Challenge 2019 Division 1

Playing with Numbers, Subtree Removal

May Challenge 2019 Division 1

Matches, Reduce to One, Where to Build the Roads

May Cook-Off 2019 Division 1

Misha and Nice Sets

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour

June Challenge 2019 Division 1

Sum and GCD, Chef and Ingredients

July Cook-Off 2019 Division 1

Birthday Gift Again

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network

September Mega Cook-Off 2019 Division 1

Angry Grandfather

International Coding League 2019 (Rated for Division 2)

Earning A Profit , A Weird Device, FlatLand

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Max power

February Challenge 2020 Division 1

Chef and Railway Stations, No Change Required, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1

Squared Subsequences, Ready Bitwise, Strange Number

June Challenge 2020 Division 2

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

August Challenge 2020 Division 2

Smallest KMP, Chef and Wedding Arrangements, Chef and Linear Chess, Chef Wars - Return of the Jedi, Subsequence Frequency Counting, Another Card Game Problem

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs

November Challenge 2020 Division 2

Ada and Dishes

September Lunchtime 2020 Division 2

Watermelon

January Challenge 2021 Division 3

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

May Long One 2022 Division 2 (Unrated)

Mystical Numbers, Pushpa , The Magical Stone, Alternating Diameter, The Attack of Queen

Total Problems Solved: 97