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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Michael Kolupaev
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Michael Kolupaev

  • 7★al13n
  •   United States
  • Professional
  • Facebook Inc.
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 89
2628 (+23)RatingProvisional
Rating i Provisional Rating, click to know more
June Cook-Off 2022 Division 1 (Rated)(2022-06-05 22:30:00)
Global Rank:   22
Cheated in:   

Ratings System Update

(2022-06-05 22:30:00)
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2628 (+51)RatingProvisional
Rating i Provisional Rating, click to know more
June Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   22
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 (89)

October 2010 Challenge

Logging Game, Count palindromes

The November CookOff

Choosing Cook Off Problems, One Dimensional Game of Life, Dinner Party Socializing, Cutting Recipes

December 2010 Challenge

The Hungry Bear, Byteknights and Byteknaves, A String Game

The December 2010 Cook-Off

Preparing Dishes, The Morning Commute, Pairing Chefs

January 2011 Challenge

Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, Splitting Giant Subs, Count Relations

The January 2011 Cook-Off

Holes in the text, Chef team, Whole submatrix

February Cook - Off Challenge

Breaking Into Atoms, Three Way Communications

March 2011 Challenge

K-Unique Sequence, Squares Game, Buying Land, Omax, The Amazing All-In-One Cooking Machine - Challenge

March Cook-off Challenge

Money Transformation, Palindrome Palindrome, Snake Snaky, Grouping Chefs

April Long Contest

Gravel, Number Game Revisited, Generalized Independent Sets, Graphs in Euclidean Space, Central Point, Rectangles Counting

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

May Long Contest 2011

Pruning Trees, Tree Product, The Great Wall of Byteland, Bickering Cooks, Sum Divides Product, Harmonious Decorating

May Cook-off 2011

Popular Rice Recipe, Socializing Game around Pizza, Packing the Golden Triangles, Distribute idlis Equally

June Cook-off

Sines Sum Queries, Correctness of Knight Move, Super-plane

July Cook-off 2011

Misinterpretation, Mean Mean Medians, Garden Squares, Pleasing Chief

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String, Angry Chef - Crispy Chips, Collect the Chocolate Chips

October Cook-off

Generalized Arithmetic Progression Free Sequence, Chef Travel Routes

November Cook-Off

Colorful Chain, Moving Coins, Subanagrams, Graph on a Plane

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem, Ciel and Battle Arena

January Cook-Off

Collision in Space, Makx Sum

February 2012 Challenge

Box and Ball System, Find a Subsequence, Count of Maximum

February 2012 Cook-off

Authentication Failed, Careful Calculation, Daily Train

March 2012 Challenge

Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix, Xor it

March Cook-Off 2012

Ciel Numbers I, Ciel Numbers II, Ciel and Genjiko, Ciel and a new island

April Cook-Off 2012

Selection for Training Camps, Top Batsmen, Crease Painting, Resistance, Best Buggy Ratings

May Cook-Off 2012

Little Elephant and Balance, Little Elephant and Swapping, Little Elephant and Strings, Little Elephant and CNSes

June Challenge 2012

Closest Points, Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Magic Hull, Expected Maximum Matching, Doom Bakes Cakes, Cool Numbers, Fly-overs, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers, Golden Trees, Gifts at Olympics, Alien Chefs

July Challenge 2012

Dynamic GCD, Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating, Equivalent Suffix Tries

August Challenge 2012

Two Magicians, Little Elephant and Bombs, Lucky Driving, Game Count, Block Game, Range of Data, Delivery Boy, A Game of Thrones, Machine Gun

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

August Cook-Off 2012

Rebuilding Byteland, Codechef Password Recovery, Forced Output, Code Crazy Minions, Asmany Number Verification

October Cook-Off 2012

Buying Sweets, Equalization, Tennis Tournament, Tree Fun

November Cook-Off 2012

Little Elephant and Magic, Little Elephant and Permutations, Little Elephant and Divisors

December Cook-Off 2012

Game on a Grid, Packaging Cupcakes, Reversing directions

January Cook-Off 2013

Minimum Distance, Many Chefs

February 2013 Challenge

Observing the Tree

February Cook-Off 2013

Lack of Logic, Row and Column Operations, Hotel Balifornia 2

April Cook-Off 2013

Andrew and the Birthday, Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again

May Cook-off 2013

Rook Placement, XOR Sum, Subtraction Game 1, Subtraction Game 2, Sequence Transmission

July Cook-off 2013

Chopsticks, Compressed String, A Plus B Again!, Counting The Acute Triangles

November Cook-off 2013

Am I a Fibonacci Number, Lowest Sum, Number of Paths, Trees and Subtrees, Rank of the Number

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Uniqueness, Chef and Reunion

April Cook-Off 2014

Snape and Ladder, Travelling Chef Problem

May Cook-Off 2014

Substrings and Repetitions, Book Game with Chef, Divide the Cake, Ups and Downs

November Cook-Off 2014

Covering Sets, Lost Graph, Most Distant Points, Brackets, Petersen Graph

December Cook-Off 2014

Servers, Jam, Matrix Again, Player, Good Joke!

February Cook-Off 2015

Zombinatorial, Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle, Strategy for the World Cup

April Cook-Off 2015

Lucky Fives, Special Agents, Taxi Driver, Equality, Version Control System

June Cook-Off 2015

Ankit, Srijan and a game of stone piles, Bored of Nim, VS and his marking scheme, Longest non regular parentheses sub-sequence, Strange operations

March Challenge 2016

Sereja and Two Strings 2, Polygon & Circles, Chef And Hungry Birds, Palindromic substrings, Floor Distribution, Chef and Number Guessing, maximize the sum, Parity tree, Chef And Special Dishes, Tiptoe through the tulips

January Cook-Off 2016

Chef and Destruction, Chef and Maximum Sum Matrices , Chef And Fibonacci Tree, Chef and Fruits

May Cook-Off 2016

Phantasialand, Easy Numbers

June Cook-Off 2016

Sticks, Right Triangle, Cutting Cake, Chef Land, Range Minimum Queries

July Cook-Off 2016

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

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum , Math Hatter, Mock Turtle, Queen of Hearts

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Shortest path queries, Find The Point

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network, Sherlock and Smallest Window

November Cook-Off 2016

Sebi and the equation 2, Sebi and the cube, Sebi and the highway, Sebi and the black money, Sebi and the corrupt goverment

December Cook-Off 2016

Chef and Subset, Chef and Subarrays

January Cook-Off 2017

Digit Longest Increasing Subsequences, Xor Grid, Matrix Transformation, Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file

May Cook-Off 2017

La Liga, Balanced Array, Hussain Set, Nasty Queries, Binary Tree

June Cook-Off 2017

Ada and crayons, Knight Covering, A Study in Bake Street, SnackUp, Centeroid

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, Bipartite Graph from Trees

August Cook-Off 2017

Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix

April Challenge 2018 Division 1

Chef and Array (Challenge), Vaibhav and Ministers, Chef at the Food Fair, Cutting Plants, S Semi-palindromic, Weight of Numbers, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Maximum Distance, Party, (Challenge) Chef and Matching Game, A Pizza Slice

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, The Most Amazing Dish, Chef in Evil Land, Chef and Party

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps, Music Shopping

September Mega Cook-Off 2019 Division 1

Angry Grandfather, Hiring Chefs, Fitness Exercises

March Cook-Off 2020 Division 1

Mysterious Sequence, Find Your Gift, A Tree to Remember, Box of Chocolates, Maximize Letter Beauty, Random Chocolates, Escape the Tree

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship, Chefina and Dishes, Beautiful Subsequence

October Challenge 2020 Division 1

Positive AND, Random Knapsack, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares, Village Road Network

November Challenge 2020 Division 1

Restore Sequence

October Cook-Off 2020 Division 1

Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

May Cook-Off 2021 Division 1

Permutation Swaps, Falling Zero, Double Burgers

June Cook-Off 2021 Division 1

Binary String on Steroids, Battle Royale

August Cook-Off 2021 Division 1

Odd Array, Different String, Chef 2 Chef, Interactive Equivalency, Clear the Array

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum, Max Minus Min

Total Problems Solved: 373

2628
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2847)
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  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

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