RAJAT SINGH

• Username: 5★rajat_singh1
• Country:  India
• Student/Professional:Other
• 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: 15

Current Ratings Graph Old Ratings Graph

2024 (-19)RatingProvisional
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January Lunchtime 2022 Division 1(2022-01-29 23:00:00)

Global Rank:   249

Cheated in:   

Ratings System Update

(2022-01-29 23:00:00)

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2024 (-4)RatingProvisional
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January Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   249

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 (15)

December Challenge 2020 Division 2

Even Pair Sum, Positive Prefixes, Vaccine Distribution, Vaccine Production

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum

February Challenge 2021 Division 3

Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range, Average Sorting

CodeChef Div 3 Rated Contest 2021 Division 3

Rectangle, Chef and Patients, Body Mass Index, Total Score

February CodeChef Starters 2021 Division 2 (Unrated)

Maximum Value, College Life 2, College Admissions, Valid String, Chef and Coupon

March Lunchtime 2021 Division 2

Lunchtime, Racing, Dinner by Candlelight

International Coding Marathon 2021 Division 2 (Rated)

Suffix Sort, Infinite polygons, Lucky Boundaries

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 2

A Special Tree, Chef in Heaven , Bench Press, Array Rotation

SPYBITS IIT BHU Division 2 (Rated)

A - Save Water Save Life, D - Pilgrims Destination, C - Mission Gotham, B - Valentine Couples

SnackDown 2021 - Online Qualifiers

Lucky Number

September Lunchtime 2021 Division 1

Interesting Representation, Alice vs Bob Faceoff

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up

November Lunchtime 2021 Division 1

Subarray Jumps

December Cook-Off 2021 Division 1

Binary String Game, RGB Construction

December Lunchtime 2021 Division 1

Optimal Sorting, Romantic Reversals

January Lunchtime 2022 Division 1

Permutation XOR Sum

Total Problems Solved: 64