Coder

• Username: 3★ulam
• Country:  India
• 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 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

1615 (+15)RatingProvisional
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January Challenge 2021 Division 2(2021-01-11 15:00:02)

Global Rank:   2691

Cheated in:   

Ratings System Update

(2021-01-11 15:00:02)

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1615 (-37)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   2691

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 (17)

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and cinema

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Chefland and Electricity, Chef and Tetris, Andrash and Stipendium

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

January Cook-Off 2016

Chef and Fruits

February Lunchtime 2016

Chef and Socks

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads

January Challenge 2021 Division 2

Chef and Ants, Fair Elections

Total Problems Solved: 46