Rajaraja2

• Username: 3★raja14333
• Country:  India
• Student/Professional:Student
• Institution:Sathyabama University Chennai, Tamil Nadu, 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: 30

Current Ratings Graph Old Ratings Graph

1622 (+1)RatingProvisional
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Starters 63 Division 2 (Rated)(2022-11-02 23:00:02)

Global Rank:   853

Cheated in:   

Ratings System Update

(2022-11-02 23:00:02)

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1622 (+6)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   853

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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Contests (30)

July Challenge 2021 Division 3 (Rated)

Maximum Production

July Lunchtime 2021 Division 3

Chef and Spells, Beautiful Pairs, Red Alert, Array Rotation Returns

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

Code: Nium Challenge

Alphabet Difference, Divide Students Into Classes

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

CodeChef Starters 27 Division 3 (Rated)

String Reverse, Distinct Binary Strings, Too many items, Blackjack, The product mystery

CodeChef Starters 28 Division 2 (Rated)

Count the Holidays

March Long One 2022, Division 3 (Rated)

Akash and Function, Akash and Missing Class, Exact Marks, Wordle

CodeChef Starters 29 Division 3 (Rated)

String protocol, Bomb the base

CodeChef Starters 30 Division 3 (Rated)

Minimum Coloring, Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals

CodeChef Starters 31 Division 3 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

Starters 35 Division 3 (Rated)

Dark Light, Police and Thief

April Long Two 2022 Division 3 (Rated)

Geometric Mean Inequality, Sasta Shark Tank, Akash and Equal Mean, Best Coupon, Pseudo Sorted Array

Starters 37 Division 3 (Rated)

Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

May Long One 2022 Division 3 (Rated)

Pushpa , Sugarcane Juice Business, The Attack of Queen

Starters 38 Division 3 (Rated)

Good Pairs, Dominant Army, Circular Track

June Long One 2022 Division 3 (Rated)

Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

Starters 43 Division 3 (Rated)

DNA Storage, Distinct Palindrome, Joining Date

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros, Too many Floors, Equal by XORing

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting

July Long One 2022 Division 3 (Rated)

Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies

August Long 2022 Division 3 (Rated)

Sale Season, Two Trains, Make A and B equal

Starters 57 Division 3 (Rated)

Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 58 Division 3 (Rated)

Break the elements, Add to Subsequence, Remove Bad elements

Starters 60 Division 3 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Total Problems Solved: 198