Mr. Singh

• Username: 1★happy_23
• Country:  India
• Student/Professional:Student
• 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: 22

Current Ratings Graph Old Ratings Graph

1353 (-21)RatingProvisional
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January Long 2023 Division 4 (Rated)(2023-01-16 15:00:06)

Global Rank:   4096

Cheated in:   

Ratings System Update

(2023-01-16 15:00:06)

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1374 (-126)RatingProvisional
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June Long Two 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1285

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 (22)

October Challenge 2020 Division 2

Covid Run, Positive AND

November Challenge 2020 Division 2

Ada and Dishes, Restore Sequence

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

November Cook-Off 2020 Division 2

Chef and IPC Certificates

November Lunchtime 2020 Division 2

Gasoline Introduction

September Lunchtime 2020 Division 2

GCD operations

January Challenge 2021 Division 3

Chef and Division 3, Encoded String

January Lunchtime 2021 Division 3 (Unrated)

Pair Me, Even Differences, Even Sum

February Challenge 2021 Division 3

Maximise Function, Highest Divisor

February CodeChef Starters 2021 Division 3 (Rated)

College Life 2, Chef and Coupon

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait

March CodeChef Starters 2021 Division 3 (Rated)

Nobel Prize, Possible Victory

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bella ciao, Summer Heat

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

August Challenge 2021 Division 3 (Rated)

Olympics Ranking

November Challenge 2021 Division 3 (Rated)

Hill Sequence, Which Fuel is Cheaper, Equal Coins, Weird Palindrome Making

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation, New Piece

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting

January Long 2023 Division 4 (Rated)

Far from origin, Overspeeding Fine, Negative Product

Total Problems Solved: 78