rajkumar_831

• Username: 3★rajkumar_831
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 34

Current Ratings Graph Old Ratings Graph

1752 (+28)RatingProvisional
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Starters 123 Division 2 (Rated)(2024-02-28 22:30:02)

Global Rank:   629

Cheated in:   

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(2024-02-28 22:30:02)

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1548 (+0)RatingProvisional
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Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1387

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

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Contests (34)

Starters 50 Division 4 (Rated)

Discount

Starters 51 Division 4 (Rated)

Final Population, TV Discount

August Long 2022 Division 4 (Rated)

Sale Season, Maximum Submissions, Make A and B equal

Starters 52 Division 4 (Rated)

AI Analysing Code, Air Conditioner Temperature

Starters 54 Division 4 (Rated)

Equal Distinct, Number of Credits, Ticket Fine, Team of Two

Starters 55 Division 4 (Rated)

Balls and Boxes, Fever, Broken Phone

Starters 56 Division 4 (Rated)

Nearest Exit, Chefland Games, Far Away

September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)

Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation

Starters 57 Division 4 (Rated)

Alice and Marks, Integers that sum to the same value, Non-Negative Product, Two Different Palindromes

Starters 58 Division 4 (Rated)

Break the elements, Ranklist Pages, Reach the Target, Add to Subsequence, Remove Bad elements

Starters 60 Division 4 (Rated)

Expert Setter, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 4 (Rated)

Minimise LCS, Different Consecutive Characters , Subarray Removal, Reach on Time, Odd Sum Pair

Starters 62 Division 3 (Rated)

Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score

Starters 65 Division 3 (Rated)

Nahaane Jaa, Candies, Hackerman

Starters 66 Division 3 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!, Binary Battles, Monopoly in Chefland

Starters 67 Division 3 (Rated)

Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem

Starters 68 Division 3 (Rated)

Boring String, XOR Product, Expense List, Make AP, Make Money

Starters 69 Division 3 (Rated)

Akash and Dinner, Convert to permutation, Distinct Sequence

Starters 70 Division 3 (Rated)

Cost of Groceries, Minimum distance between 1s, Prime Reversal

Starters 71 Division 3 (Rated)

Pet Store, Snapchat, Perfect Trio

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets

Starters 73 Division 3 (Rated)

Find an integer, Consecutive Xor, Lucky Numbers, Append for OR

Starters 74 Division 3 (Rated)

Chef And Babla, Lcm hates Gcd, Odd Even Binary String

Starters 78 Division 3 (Rated)

Valid Expression, Passing Marks

Starters 79 Division 3 (Rated)

One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 80 Division 3 (Rated)

Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Starters 83 Division 3 (Rated)

Chef Eren, Construct String

Starters 117 Division 3 (Rated)

Equality Etiquette, Spread Spree, Stingy Arrays, Not Prime Permutation, Weapon Choice, Spell Shortening

Starters 118 Division 3 (Rated)

Subset GCD, Literacy Rate, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Total Problems Solved: 132