Udhan Isuranga

• Username: 3★udhan
• Country:  Sri Lanka
• Student/Professional:Student
• Institution:University of Moratuwa Sri Lanka
• 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: 15

Current Ratings Graph Old Ratings Graph

1714 (+39)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2018-02-12 15:00:00)

Global Rank:   1191

Cheated in:   

Ratings System Update

(2018-02-12 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1714 (-101)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2022-12-20 00:00:00)

Global Rank:   1191

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 (15)

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard

June Lunchtime 2016

Collisions, One more weird game

September Lunchtime 2016

Chef and Inequality

November Lunchtime 2016

Chef and his Students

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, (CH) Bear and Sorted Rows

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Similar Dishes

July Challenge 2017

Whats in the Name

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

Total Problems Solved: 34