Raj kumar tyagi

• Username: 4★raj_tyagi20
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Design and Manufacturing, Jabalpur Madhya Pradesh, 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: 28

Current Ratings Graph Old Ratings Graph

1925 (+45)RatingProvisional
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March Lunchtime 2022 Division 2(2022-03-19 23:00:02)

Global Rank:   132

Cheated in:   

Ratings System Update

(2022-03-19 23:00:02)

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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1925 (-204)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   132

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 (28)

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

January Challenge 2019 Division 2

Distinct Pairs, Lucky Number Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

May Cook-Off 2019 Division 2

Chain Reaction

May Lunchtime 2019 Division 2 (Unrated)

Dummy Palindromic Strings, CV

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD

June Cook-Off 2019 Division 2

Eat Twice, Multiple Choice Exam

June Lunchtime 2019 Division 2

Ping Paja Pong

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences , Chef Designed a Network, Chef and Good Subsequences

October Challenge 2019 Division 2

Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

Biteration #2 (Rated for Division 2)

A - Books, C - Chef and Maths

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

July Lunchtime 2020 Division 1

Chef and Steps

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

SnackDown 2021 - Elimination Parallel (Rated for Div 2)

Yet another subarray problem, Remove Element, Sorting Segments

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

Code Drive Division 2 (Rated)

Again XOR problem, Count Number of Peaks

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Subsegment Divisibility , Mean Maximization

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex, Maximising Vacations, Non Zero Subarray Xor

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

February Lunchtime 2022 Division 2

Parallel Processing, Magnet Sort, Four Equidistant Points on a Grid

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

Total Problems Solved: 270