kotatsugame
- 7★kotatsugame
Japan- Student
- Tohoku University, Japan
- No Active Plan. View Details
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Ratings System Update
(2025-04-09 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (33)
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
September Lunchtime 2021 Division 3
Range Array, Interesting Representation, Subsequence LCS, Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Alice vs Bob Faceoff, Yet another SOD problem
October Cook-Off 2021 Division 2
Can You Reach The End, Odd Sum, Find the Modulus, 01 Subsequence, Chef Up, Permutation Sorting Game
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, Mega mu - 2
SnackDown 2021 - Online Elimination Round (Rated for all)
Random Convex Hull, Graduate Work Matters, Sorting Segments
C.O.D.E.R.S Division 1 (Unrated)
The One On The Last Night, The One Where No One is Ready, The One Where They Get Back Together, The One with Russ, The One with All the Candy, The One Where Joey Dates Rachel, The One Where It All Began, The One with Ross Wedding
November Lunchtime 2021 Division 1
Min-Fund Country, Min-Max Rotations, Ghost Chase, Permutation Pairs, Subarray Jumps
December Cook-Off 2021 Division 1
Binary String Game, Destructive Nim, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique
January Long 2022 - I, Division 1 (Unrated)
Keplers Law, Sequence Master, Generating Cycles, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles
January Cook-Off 2022 Division 1
Unreasonable Updates, Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Merged LIS, Hungry Ashish, Boring Trip, Prime Graph, Beautiful Permutation, Erase All But One
January Lunchtime 2022 Division 1
Circular Permutation Recovery, Permutation XOR Sum, Permutation Deletion
February Cook-Off 2022 Division 1
Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot
February Lunchtime 2022 Division 1
Permutation Xor, Chef Cooks Permutation, Visit Them All, Magnet Sort
March Cook-Off 2022 Division 1
Secret Tree, Powers of 2, Dragonado And XOR, Flippable Points, Oh I Dont Care, Alternating Divisibility
April Cook-Off 2022 Division 1
Chef Goes Shopping, Sorted Distances, Sequence Cost
April Lunchtime 2022 Division 1(Rated)
Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania, AND Palindromes
May Cook-Off 2022 Division 1 (Rated)
Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And, Rearrange Ranges
July Cook-Off 2022 Division 1 (Rated)
String Break, Partition Queries, Segmentation Fault, Subsequence LCM
June Cook-Off 2022 Division 1 (Rated)
Permutation Segments, Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum, Max Minus Min
June Lunchtime 2022 Division 1 (Rated)
The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective, Increase to Zero
July Lunchtime 2022 Division 1 (Rated)
Tree Interval Queries, Inversions Retrieval, Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family
August Lunchtime 2022 Division 1 (Rated)
Sort the Array, Tree Coloring, Subtract 12 Operation, MEX Permutation Difference
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Remove Numbers, Adjacent Pairs, Longest Unfriendly Subsequence
February Cook-Off 2023 Division 1 (Rated)
Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army
Starters 86 Division 1 (Rated for All)
Least Size, Minimum Operation, Sum Over All Arrays, String Game , Largest Y
Starters 83 Division 1 (Rated)
Mex Segments, Construct String, Order by XOR, Saber Slays, Rotate to Minimum, Restoration
Starters 93 Division 1 (Rated for All)
Thank U, Next, Why Try, Positions, NASA, Greedy, Bloodline, Motive
Starters 100 Division 1 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Combinatorics Is Fun, Interesting Swap, Ant
Starters 110 Division 1 (Rated till 5-stars)
Water Park, Airlines, Marbles, Am I Lucky!, Tom and Jerry, World Cup, Monsters, Tetris
Starters 113 Division 1 (Rated)
Count Distinct Arrays, Counting Is Fun, Maximise The Minimum, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score , Trees Are Fun
Starters 115 Division 1 (Rated)
Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, Counting Is Fun
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One, How many arrays, It is a tree
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Painting Rectangles, Lazy Rescue, Manhattan Xor, Operating on A, Overspeeding, 50-50 Rule, Fake Certificate, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Remove the Peaks, Tree Distance Set, AC Please, Dice Game 3, Freedom, Sale, Uncommon Cycles, LCD, Permutation Disturbance, Triangular Swaps
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Cyclopian Edges, Breezy Mode Problem, Heat Wave, Long Drive, Distinct Substring
Starters 141 Division 1 (Rated till 5-Stars)
Possible Contender, Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Sum of Xors, Pairs Sum with Length x, Ratist Behaviour, The Cards Machine, Chef loves Pizza Chef loves halfs, Writing Speed, Penalty Shoot-out, Array Removal, Number Hunt
Starters 144 Division 1 (Rated)
Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K
Starters 150 (Rated till 6 stars)
Tree Requirements (Easy), Not Equal On Tree
Starters 151 (rated till 5 stars)
Ball Game, Shooting (Hard), RGB Grid (Hard), Sequence Search, Convert string, Shooting (Easy), International Gym Day, RGB Grid (Easy), RGB Grid (Medium), Weightlifting
Starters 161 (Rated)
Min-Max Game, Red-Blue Sort, The XOR Machine, One To Three, Quick Exit
Starters 168 (Rated till 6 stars)
GCD Partition, No Two Alike, Can You Bench, Binary Removals, Xoperations, Equate XOR, Make Odd, Big Achiever, Chef Loves Maths
Starters 170 (Rated till 6 star)
Array Compression, Crazy Jumping Frogs, Access Code Equality, qUiRkY qUesTs (Easy), Monster Monster, Minimum Bottles, qUiRkY qUesTs (Hard), Simultaneous Robots, Stabilize Warwick
Starters 178 (Rated till 6 star)
Smoothly Increasing , Colosseum, Food Balance, Count Disjoint Arrays, Minimum Colours (Easy), Placing 01 And 10, Permutation Construct, Reduce to Palindrome, Minimum Colours (Hard)
Starters 181 (Rated for all)
Costly Swapping, The Best Matrix, Tree Colouring (Hard), Mex Permutation (Easy), Mex Permutation (Hard), Tree Operations (Easy), Flip Prefix