Praveen Singh

• Username: 2★sipra7155
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, 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: 18

Current Ratings Graph Old Ratings Graph

1518 (-41)RatingProvisional
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Starters 147 Division 3 (Rated till 5 stars)(2024-08-14 22:00:04)

Global Rank:   3678

Cheated in:   

Ratings System Update

(2024-08-14 22:00:04)

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1598 (-85)RatingProvisional
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April Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1992

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 (18)

October Challenge 2020 Division 2

Chef and Easy Queries, Covid Run

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 Lunchtime 2020 Division 2

Gasoline Introduction

January Challenge 2021 Division 3

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

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

January Lunchtime 2021 Division 3 (Unrated)

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

February Challenge 2021 Division 3

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

CodeChef Div 3 Rated Contest 2021 Division 3

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

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

April Challenge 2021 Division 2

Binary String MEX, Chef and Dice, Worthy Matrix

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

Starters 135 Division 3 (Rated)

Invert And Equalize, Football Ties

Starters 140 Division 3 (Rated)

Yoga Class

Starters 145 Division 3 (Rated)

Make Bob Win , Gun Master, Make My Array Equal

Starters 147 Division 3 (Rated till 5 stars)

Independence Day 101, Gold Coins 101

Total Problems Solved: 100