Vidura Yashan

• Username: 1★viduray1
• 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: 8

Current Ratings Graph Old Ratings Graph

1393 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2017(2017-10-23 00:00:00)

Global Rank:   1218

Cheated in:   

Ratings System Update

(2017-10-23 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?

1393 (-192)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2017(2022-12-20 00:00:00)

Global Rank:   1218

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (8)

March 2012 Challenge

Spoon in Matrix

April Challenge 2012

Double Strings

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

November Challenge 2013

Uncle Johny

March Challenge 2016

Palindromic substrings

October Cook-Off 2017

Chef and Employment Test, Chef and Weird Queries

Total Problems Solved: 25