Rajat Singh

• Username: 5★rajat_singh15
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Hamirpur
• 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: 13

Current Ratings Graph Old Ratings Graph

2055 (+32)RatingProvisional
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March Lunchtime 2022 Division 1(2022-03-19 23:00:00)

Global Rank:   105

Cheated in:   

Ratings System Update

(2022-03-19 23:00:00)

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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2055 (-174)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2022 Division 1(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 (13)

May Cook-Off 2021 Division 3

Vaccine Drive, Marathon

May CodeChef Starters 2021 Division 3 (Rated)

Cheating Time, Minimum Popping, Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Challenge 2021 Division 2 (Unrated)

Summer Heat

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones, From Rational to Binary

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Olympics Ranking

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Grid Path, Magical Flips, Maximise the Subsequence Sum, Remove One Element

SnackDown 2021 - Online Qualifiers

Lucky Number, Minimise Difference, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain

SnackDown 2021 - Online Elimination Round (Rated for all)

Sorting Segments

February Cook-Off 2022 Division 1

PerMEXuation , Mango Market, Perfect Permutation, Xor Becoming Uncanny

February Lunchtime 2022 Division 1

Magnet Sort

March Cook-Off 2022 Division 1

Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1

Winter, Adjacency Love, Separate Them All

Starters 61 Division 1 (Unrated)

Palindrome Partition, Weird Subarrays, Red Blue Flowers, Subarray Removal

Total Problems Solved: 75