Aryan Raj

• Username: 5★rajaryan123
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, 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: 18

Current Ratings Graph Old Ratings Graph

2000 (+6)RatingProvisional
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January Lunchtime 2022 Division 1(2022-01-29 23:00:00)

Global Rank:   193

Cheated in:   

Ratings System Update

(2022-01-29 23:00:00)

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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2000 (-108)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   193

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 Challenge 2019 Division 2

Football, Dilemma, Zombie and the Caves, Distribute Apples

September Mega Cook-Off 2019 Division 2

Playing with Matches

October Challenge 2019 Division 2

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

December Challenge 2019 Division 2

Plus Multiply, Easy Subsequence Selection, That Is My Score!

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Stupid Machine, Guess the number, Check Algorithm, The Evil Professor

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

May Challenge 2020 Division 1

Triple Sort

September Challenge 2020 Division 2

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

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

February Challenge 2021 Division 2

Multiple Games, Maximise Function, XOR Sums, Prime Game, Another Tree with Number Theory, Team Name, Frog Sort

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

May Challenge 2021 Division 2 (Rated)

Solubility, Golf, Modular Equation, Tic Tac Toe, Xor Equality, An Interesting Sequence, King Killing, Valid Paths, Tree House

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Summer Heat

July Challenge 2021 Division 1 (Unrated)

K Path Query, Optimal Denomination, Chef vs Bharat, XxOoRr

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 14 Division 1 (Unrated)

Odd GCD, Task Times, FIXFIX

October Challenge 2021 Division 1 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

December Lunchtime 2021 Division 1

Romantic Reversals, Optimal Sorting

January Long 2022 - II, Division 1 (Unrated)

Tree Master, Sum and OR

January Cook-Off 2022 Division 1

Subsegment Divisibility , Merged LIS, Prime Graph

January Lunchtime 2022 Division 1

Permutation XOR Sum

CodeChef Starters 24 Division 1 (Unrated)

Divisors and Reciprocals

February Long 2022 - I, Division 1 (Unrated)

Remove Adjacent, Bitwise Blend, Binary Base Basics, Digit Multiplication By K

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome

March Long One 2022, Division 1 (Unrated)

Subarray XOR, Substring of a Substring, Exact Marks, MEX on Trees

CodeChef Starters 30 Division 1 (Unrated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

Total Problems Solved: 175