knight_rook

• Username: 3★knight_rook
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Lucknow Uttar 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: 23

Current Ratings Graph Old Ratings Graph

1677 (-5)RatingProvisional
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Starters 167 (Rated)(2025-01-01 22:00:02)

Global Rank:   1041

Cheated in:   

Ratings System Update

(2025-01-01 22:00:02)

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1665 (+0)RatingProvisional
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Starters 62 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   170

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)

Practice Paths (1)

Jump from 2* to 3*

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Contests (23)

Starters 55 Division 4 (Rated)

Permutation Clear, Fever, Mean and Median, Broken Phone, OR Tuples, Balls and Boxes

Starters 58 Division 3 (Rated)

Break the elements, Add to Subsequence, Remove Bad elements

Starters 59 Division 3 (Rated)

Maximum Subarray , Confusing Concatenations, Suspense String, Chef and Happy String

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Subarray Removal, Odd Sum Pair

Starters 62 Division 3 (Rated)

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

Starters 139 Division 2 (Rated)

Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Tree Removal

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 145 Division 2 (Rated)

Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Knockout tournament, Permutation Construction

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Gold Coins 101, Non-Primes 101, Independence Day 101

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 151 (rated)

Sequence Search, Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 154 (Rated)

Triangle Count (Easy), Add 1 or 2 Game

Starters 156 (Rated)

Even Numbers Hate, Interval Cliques, Partition Score, Count Triplets

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Multiply 2 to Minimize

Starters 161 (Rated)

Temporary Temperature, Two Cards

Starters 163 (Rated)

Minimum Types

Starters 164 (Rated)

Construct Permutation, Swap and Flip

Starters 165 (Rated)

Stable Array, Bulk Discount

Starters 167 (Rated)

Lottery Tickets, Delete Not Equal, Grid Construction (Even)

Total Problems Solved: 97