Mahi Singh

• Username: 2★mahi_139
• Country:  India
• Student/Professional:Student
• Institution:Techno Main Salt Lake Kolkata, West Bengal, India
• 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: 28

Current Ratings Graph Old Ratings Graph

1547 (+23)RatingProvisional
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March Lunchtime 2021 Division 3(2021-03-27 22:30:04)

Global Rank:   1240

Cheated in:   

Ratings System Update

(2021-03-27 22:30:04)

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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1547 (-61)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   1240

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 (28)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue

February Lunchtime 2020 Division 2

At the Gates

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Linear Chess, Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Chef and Work

August Lunchtime 2020 Division 2

Mode of Frequencies

June Lunchtime 2020 Division 2

Chef and Demonetisation

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

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

October Lunchtime 2020 Division 2

AND Plus OR

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

Code Ensemble (Rated for Division 2)

Priya and AND

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

January Lunchtime 2021 Division 3 (Unrated)

Even Differences, Even Sum, Pair Me, Ashishgup and Interviews

February CodeChef Starters 2021 Division 3 (Rated)

College Life 2, Chef and Coupon

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

March Lunchtime 2021 Division 3

Turn It, Motivation, Make the Sum Even, Lunchtime

March CodeChef Starters 2021 Division 2 (Unrated)

Nobel Prize, Possible Victory

Total Problems Solved: 275