Contest | Problem |
---|---|
FEB15 | XRMTRX |
FEB16 | WRDSUM |
OCT16 | POWSUMS |
COOK78 | DIGITLIS |
XRGRD | |
MTRNSFRM | |
UNGAME | |
MARCH17 | FAVGAME |
JUNE17 | OAK |
OTHERS | ANDGRAPH |
MATRIXUM | |
DEC19 | TESTGEN |
CUBVIRUS | |
BINADD | |
FEB20 | NOCHANGE |
BALNET |
Aleksejs Zajakins
- 7★alex_2oo8
- Latvia
- Professional
- whiteCryption
- List of teams by Aleksejs Zajakins
- https://discuss.codechef.com/u/alex_2oo8
- No Active Plan. View Details
Activity Heat Map
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Ratings System Update
(2021-12-13 16:30:00)Ratings System Update
(2022-12-20 00:00:00)Junior Rating Graph
Ratings System Update
(2015-10-19 00:00:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (6):
Practice:
Similar Graphs, Best Buggy Ratings, The Uncountable Ways, Level Of Difference, Big Number, Polo the Penguin and the Tree
Contests (212):
November Challenge 2012:
Lucky Balance, A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Jam Board, Many Left, Sridhar Likes Travelling, Arithmetic Progressions
November Cook-Off 2012:
Little Elephant and Magic, Little Elephant and Permutations, Little Elephant and Divisors
December Challenge 2012:
Sereja and Data Structures , Granama Recipes, Arigeom Beats, Book Exercises, Magic Rankings, Different Trips, The Uncountable Ways, Pizza Delivery, WordNinjas
December Cook-Off 2012:
Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions
January Challenge 2013:
Little Elephant and Alcohol, A New Door, Dividing Products, Hotel Balifornia, The Minimum Number Of Moves, End Of The World, A Fence for Byteland, Chef of the Year, Three Different Numbers
February 2013 Challenge:
Little Elephant and Cards, Buy1-Get1, Magic Board, Triangular Queries, Climbing Stairs, Vacation, Observing the Tree, Word Play, Efficient Painting
February Cook-Off 2013:
Lack of Logic, Row and Column Operations, End Of The World 2, Hotel Balifornia 2
April Cook-Off 2013:
Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again
August Challenge 2013:
Little Elephant and Lemonade, Music & Lyrics, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Prime Distance On Tree, Splitting Candies
August Cook-Off 2013:
Chef and The Right Triangles, Chef and The Divisibility Queries, Chef and The String of Digits
September Challenge 2013:
Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake
October Cook-Off 2013:
Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR
January Challenge 2014:
Magic Trick, Counting The Important Pairs, Sereja and Graph, Counting D-sets, ForbiddenSum, Meteor, Byteland Tours, Bon Appetit, Please like me, Chef and Feedback
December Challenge 2014:
Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, Divide or die, Kali and Devtas, XOR with Subset, Chef and Apple Trees, Sereja and GCD, Good galaxy
January Challenge 2015:
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Ranka, Gcd Queries
January Cook-Off 2015:
Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Abhijeet and rectangles
July Cook-Off 2015:
Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum, Adding Up Sequences of Towers
November Cook-Off 2015:
Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree, Sereja and Tree 2
September Challenge 2016:
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, The New Restaurant, JosephLand, Chef and calculation, Chef and Cut
January Cook-Off 2016:
Chef and Destruction, Chef and Maximum Sum Matrices , Chef And Fibonacci Tree, Chef and Fruits
April Cook-Off 2016:
Movie Weekend, Odd Divisors, Queries on a Binary Tree, LCP Maximization, Bit Twister on a Tree
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:
Tree Connectivity, Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth
SnackDown 2021 - Online Round 1A:
Yet Another Flipping Problem, Round Robin Ranks , Equal Beauty, Lazy Machine
SnackDown 2021 - Online Pre-Elimination:
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2, Guess the row
Learning Paths (0):
None
Practice Paths (3):
Contributions
Problems Authored (16)
Problems Tested (18)
Contest | Problem |
---|---|
OCT16 | SEAARI |
SEASTONE | |
BGQRS | |
FENWITER | |
CHDOGS | |
POWSUMS | |
GEOCHEAT | |
OCT17 | MARRAYS |
CHEFGP | |
CHEFCCYL | |
XORTREEH | |
CHEFCOUN | |
PERFCONT | |
LKYEDGE | |
LTIME54 | SMRSTR |
SHUFFL | |
LRQUER | |
STRQUER |
Editorials Contributed (4)
Contest | Problem |
---|---|
COOK78 | DIGITLIS |
XRGRD | |
MTRNSFRM | |
UNGAME |