Raghav Singh

• Username: 6★hakaishin_3181
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

2297 (-10)RatingProvisional
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Starters 173 (Rated upto < 2700)(2025-02-12 22:30:00)

Global Rank:   192

Cheated in:   

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(2025-02-12 22:30:00)

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1627 (-117)RatingProvisional
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July Lunchtime 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1912

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (26)

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

Code Drive Division 3 (Rated)

Game between friends, Favourite String of Chef

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 3 (Rated)

Power Sum, Crying Colours, TCS Examination, Chef and Fixed Deposits

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Lunchtime 2022 Division 2

Subarray permutations

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 2 (Rated)

Equal MEX, Points and Lines

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

Starters 44 Division 3 (Rated)

Atleast and Atmost, Dense Bracket Sequence, Biryani classes, The Attack of Knight, Jogging

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem

Starters 105 Division 2 (Rated)

Take it Easy, Spooky Sequences, Dull Operation, Wishcraft

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Subtree Coloring, Permutation Construction, Max Nutrition

Starters 113 Division 2 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score , Sum Neq

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Divison 1 (Rated till 6-Stars)

Chef Product, ORST , Permutation Sort, Exact Savings

Starters 118 Division 1 (Rated till 5-Stars)

Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 119 Division 1 (Rated till 6-Stars)

K Odd Sum, Unalike Gcd & Lcm

Starters 120 Division 1 (Rated till 6 Stars)

Find Permutation , Construct Permutation, Count Subarrays, Count Arrays

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 1 (Rated till 5-Stars)

Swap and Unite, Make It One, How many arrays

Starters 126 Division 1 (Rated till 6 Stars)

Tree Distance Set, Freedom, LCD, Triangular Swaps

Starters127 Division 1

ABC Conjecture, Anti-Triangle

Starters 134 Division 1 (Rated till 6-Stars)

Count Good RBS, Origin, Prison Escape, 3out1in

Starters 135 Division 1 (Rated till 5-Stars)

Milky-Dark Chocolates, Graph Cost, Limit of MEX, Change A to B

Starters 152 (Rated till 6 stars)

Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 153 (Rated till 5 stars)

Another Game, Colorful Tree (Easy Version), Xometry (Easy Version), Xometry (Hard Version)

Starters 155 (Rated till 5 stars)

GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max, Array Concatanation

Starters 168 (Rated till 6 stars)

No Two Alike, Binary Removals, Xoperations, Equate XOR

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Time Penalty, Overwrite

Total Problems Solved: 129