Dushyant Singh

• Username: 4★bobsingh149
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Nagpur Maharashtra, 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: 19

Current Ratings Graph Old Ratings Graph

1936 (-17)RatingProvisional
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Starters 76 Division 2 (Rated)(2023-02-01 23:00:02)

Global Rank:   356

Cheated in:   

Ratings System Update

(2023-02-01 23:00:02)

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1940 (-2)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   105

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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Practice Paths (0)

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Contests (19)

January Challenge 2020 Division 2

Doraemon, Chef and Dynamo, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, COVID Pandemic and Long Queue

January Cook-Off 2020 Division 2

Chef Chick

February Challenge 2021 Division 3

XOR Sums, Highest Divisor, Maximise Function, Multiple Games, Chef and Meetings, Another Tree with Number Theory, Team Name, Frog Sort, Prime Game

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases, K-Flip, Gritty Grid

Starters 53 Division 2 (Rated)

Make A and B equal, Black&White Ring Game

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping

Starters 61 Division 2 (Rated)

Subarray Removal, Red Blue Flowers, Minimise LCS, Weird Subarrays

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair

Starters 63 Division 2 (Rated)

Maximize 1s, One-XOR Deletions, Make Length 1, Minimum Absolute Score

Starters 65 Division 2 (Rated)

Nahaane Jaa, Binod, Candies

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Just Like Mob!

Starters 68 Division 2 (Rated)

Boring String, Make Money, Interesting Array, Expense List, XOR Product

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence, Longest Subarray

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Two Counters, Prime Reversal, Frequency Array Retrieval

Starters 73 Division 2 (Rated)

Find an integer, Consecutive Xor, Append for OR

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

Total Problems Solved: 104