The Coder

• Username: 3★knapsack
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, India
• 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: 9

Current Ratings Graph Old Ratings Graph

1623 (+17)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2013(2013-08-12 15:00:00)

Global Rank:   1227

Cheated in:   

Ratings System Update

(2013-08-12 15:00:00)

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?

1623 (+23)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2013(2022-12-20 00:00:00)

Global Rank:   1227

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 (9)

February 2013 Challenge

Climbing Stairs, Buy1-Get1

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

Fault Tolerance, Cylinder

May Challenge 2013

Name Reduction, Your Name is Mine

June Challenge 2013

Predictopus, Lapindromes

May Cook-off 2013

Subtraction Game 1

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Splitting Candies

Total Problems Solved: 20