Baltatu Andrei-Mircea

• Username: 6★archazey
• Country:  Romania
• Student/Professional:Student
• Institution:University of Bucharest, 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: 31

Current Ratings Graph Old Ratings Graph

2203 (+55)RatingProvisional
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July Cook-Off 2016(2016-07-25 00:00:00)

Global Rank:   27

Cheated in:   

Ratings System Update

(2016-07-25 00:00:00)

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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2203 (-144)RatingProvisional
Rating i Provisional Rating, click to know more

July Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   27

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 (31)

December Challenge 2013

Magic Pairs, Rectangular Queries

January Challenge 2014

Chef and Feedback

May Cook-Off 2014

Divide the Cake, Ups and Downs

August Cook-Off 2014

Tree Game, Permutation Shuffle

October Cook-Off 2014

The Army, Walk on the Axis, Mahesh and his lost array

November Cook-Off 2014

Brackets, Petersen Graph

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Fun with Rotation, Flooring

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef Under Pressure, Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave, Matrix

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Chef and String

July Challenge 2015

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

August Challenge 2015

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

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres

December Challenge 2015

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

August Cook-Off 2015

Chef and the Wildcard Matching

September Mega Cook-Off 2015

Reign 2, Forgotten Language, Stacks

October Cook-Off 2015

Palindrome Pairs, Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree 2

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array

April Lunchtime 2016

Maximum K Sums, Coins And Triangle

Total Problems Solved: 190