Vidudaya

• Username: 3★vidudaya
• Country:  Sri Lanka
• Student/Professional:Professional
• Organisation:
• 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: 39

Current Ratings Graph Old Ratings Graph

1761 (+7)RatingProvisional
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August Challenge 2020 Division 2(2020-08-17 15:00:02)

Global Rank:   3223

Cheated in:   

Ratings System Update

(2020-08-17 15:00:02)

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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1761 (+80)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3223

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 (39)

February Cook-Off 2013

Row and Column Operations, Lack of Logic

March Challenge 2013

Approximately, Fire Escape Routes, Minesweeper, Tourist Translations

March Cook-off 2013

The Ball And Cups

April Challenge 2013

Little Elephant and Music, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

April Cook-Off 2013

Andrew and the Meatballs

May Challenge 2013

Password Cracking Challenge, Name Reduction, Your Name is Mine

June Cook-Off 2013

Attic Crossing, Lyra and the Alethiometer

Lunch Time June 2013

Number of Factors

July Challenge 2013

Circle of death, Sereja and Sorting, Count K-Primes, The Probability Of Winning, Galactik Football, Chef and Walking on the rectangle

July Cook-off 2013

Chopsticks

November Lunchtime 2013

Lucy and the Number Game

December Challenge 2013

Art in Digital Age, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Lunchtime 2013

Mike and Task Packages, Mike and Matrices

January Challenge 2014

Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I

April Cook-Off 2014

Snape and Ladder

August Cook-Off 2014

Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid

November Cook-Off 2014

Brackets

May Challenge 2014

Stone, Chef-jumping, Compilers and Parsers

June Challenge 2014

Chef and Subarray

July Challenge 2014

Count Substrings, Reach The Point, Chef and Frogs

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Factorisation, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Painting

October Lunchtime 2014

Tanu and Head-bob, Cascading Style Sheets

May Challenge 2015

Chef and Prime Divisors, Chef and new recipe

June Challenge 2015

Chef and Polygons, Chef and Memory Limit

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

June Cook-Off 2015

Strange operations

April Lunchtime 2015

Tickets

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

October Lunchtime 2016

The Largest Bouquet

April Cook-off 2018 Division 2

Cut the Board

April Challenge 2018 Division 2

Chef and Array (Challenge), Workers, Average of Pairs, Count Good Prefixes, Highway Crossing, Weight of Numbers

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

Total Problems Solved: 125