Alexander Ostanin
- 7★kostroma
- Russia
- Other
- No Active Plan. View Details
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Ratings System Update
(2021-12-13 16:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (28)
February Cook - Off Challenge
Breaking Into Atoms, Three Way Communications
March Cook-off Challenge
Money Transformation, Snake Snaky
May Cook-off 2011
Popular Rice Recipe, Distribute idlis Equally
January Cook-Off
Collision in Space
February 2012 Cook-off
Bears and Bees, Daily Train, Equation Solver
March Cook-Off 2012
Ciel Numbers II
May Challenge 2012
Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef
June Challenge 2012
Closest Points, Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Magic Hull, Doom Bakes Cakes, Fly-overs, Arranging Cup-cakes
June Cook-Off 2012
Closing the Tweets, Connecting Soldiers
September Cook-Off 2012
Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam
November Cook-Off 2012
Little Elephant and Permutations, Little Elephant and Divisors
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
December Cook-off 2013
Chef Goes Through Segments, Chef and Girlfriend, Chef and Combinatorics
July Challenge 2014
Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Another Fibonacci, Anticommutative implication, Chef and String
July Challenge 2015
Addition and Multiplication, Maximum Difference Walk, Sereja and Game 2, Bread, A game on a graph, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles, Easy exam
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Filling the maze, 3D Queries, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Terrible vectors, Bank robbery, Lighthouses, Cracking the Code
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum
September Mega Cook-Off 2015
Reign 2, Forgotten Language, Super Numbers, Stacks
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree 2
January Long Challenge 2016
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point
September Challenge 2017
Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Weasel does Xor on Tree, Weasel finds Staircase, Fill The Matrix, Little Chef and Sums
November Cook-Off 2017
Hasan and boring classes, Adjacent leaves, Skiing, Online Chess, Random Pair
SnackDown 2021 - Online Qualifiers
Lucky Number
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Guess the row
SnackDown 2021 - Online Elimination Round (Rated for all)
Random Convex Hull, Graduate Work Matters, Sorting Segments