Umang Biyani

• Username: 2★umangbiyani
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Chennai
• 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: 12

Current Ratings Graph Old Ratings Graph

1512 (+37)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2016(2016-09-15 15:00:00)

Global Rank:   2221

Cheated in:   

Ratings System Update

(2016-09-15 15:00:00)

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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1512 (-120)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2016(2022-12-20 00:00:00)

Global Rank:   2221

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 (12)

February 2013 Challenge

Buy1-Get1

December Challenge 2013

Magic Pairs

January Challenge 2014

Please like me, Chef and Feedback

February Cook-Off 2014

Chef and Remissness

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

January Challenge 2015

Chef and Stones, Sereja and Votes

March Challenge 2015

Chef and Notebooks

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

Total Problems Solved: 35