Vishal Singh

• Username: 2★arunkr5660
• Country:  India
• Student/Professional:Student
• Institution:University of Lucknow Uttar Pradesh, 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: 6

Current Ratings Graph Old Ratings Graph

1568 (-61)RatingProvisional
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CodeChef Starters 31 Division 2 (Rated)(2022-03-23 23:00:02)

Global Rank:   2850

Cheated in:   

Ratings System Update

(2022-03-23 23:00:02)

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1568 (-72)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 31 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2850

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 (6)

CodeChef Starters 21 Division 3 (Rated)

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

Code Drive Division 3 (Rated)

Game between friends, Count Number of Peaks, Favourite String of Chef

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

Exun 2021-22 Division 3 (Rated)

Aujasvit and the Circle Game, Vedant and his Hidden Array, Sarthak and his Magic Grid, Vishesh and his Popcorn Combo

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Long 2022 - I, Division 2 (Unrated)

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

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, The Unchanging OR

Total Problems Solved: 40