Andreas Chelsau

• Username: 3★andreas11
• Country:  Romania
• Student/Professional:Student
• Institution:Faculty of Computer Science Iași, Romania
• 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

1791 (+26)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2017(2017-02-19 15:00:00)

Global Rank:   762

Cheated in:   

Ratings System Update

(2017-02-19 15:00:00)

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?

1791 (-43)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2017(2022-12-20 00:00:00)

Global Rank:   762

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)

None

Practice Paths (0)

None

Contests (17)

February Challenge 2015

Chef and Strange Formula, Chef and Chain, Chef and Equality, Let us play with rank list

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Way Out, Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Devu And Churu , Gravity Guy

October Challenge 2015

Time measure, Rupsa and Equilateral Triangle, Spheres, Who dares to be a millionaire, Count Subarrays

December Challenge 2015

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

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

March Challenge 2016

Chef And Special Dishes, maximize the sum, Palindromic substrings

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

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

Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

October Challenge 2016

Fenwick Iterations, Chef and Three Dogs, Chef and Keyboard

December Challenge 2016

Train Partner, Kirito in labyrinth, Our Base is Under Attack

March Cook-Off 2016

Digital clock, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

February Challenge 2017

Eugene and big number, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

Total Problems Solved: 72