Kattu
- 6★kkt89
- Japan
- Student
- Waseda University, Japan
- No Active Plan. View Details
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(2024-03-20 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (56)
December Cook-Off 2020 Division 1
Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits
January Cook-Off 2021 Division 1
Not Too Colourful
December Lunchtime 2020 Division 1 (Unrated)
Even Sequence, Three Letters, One Zero Swaps
January Lunchtime 2021 Division 1 (Unrated)
Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates, Graph Construction, Hiring Workers
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
November Lunchtime 2020 Division 1
Gasoline, Rook Path
September Cook-Off 2020 Division 2
Bulbs and Wires, Bowling Strategy
UWCOI 2021 (Rated for all)
Array Swaps, Hidden Numbers
February Challenge 2021 Division 1
Team Name
March Cook-Off 2021 Division 1
Consecutive Deletions, Water Transfer, Sort String, Chef and Sorting
February Lunchtime 2021 Division 2
Sed Max, Palpal Strings, Coprime Range, Independent Set
March Challenge 2021 Division 2
Interesting XOR!, Dense Graph, Chef and Groups, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort, No Time to Wait
March Lunchtime 2021 Division 1
Node Codon, Uniform, Lunchtime
April Challenge 2021 Division 1
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game
April Lunchtime 2021 Division 1
A Special Tree
May Cook-Off 2021 Division 1
Permutation Swaps, Double Burgers
May Lunchtime 2021 Division 1
Total Components, K-Subarrays
June Cook-Off 2021 Division 1
Binary String on Steroids, Battle Royale
June Lunchtime 2021 Division 1
From Rational to Binary, HTML Tags, Richie Rich, Hidden Cell, Node Marking, Tic Tac Toe
July Cook-Off 2021 Division 1
Beautiful Subsequence, Mod Equality, Hidden Colored Graph
July Lunchtime 2021 Division 1
Longest Good Segment
August Cook-Off 2021 Division 1
Odd Array, Different String, Interactive Equivalency, Clear the Array
August Lunchtime 2021 Division 1
Bunny Hops, Just a Graph
CodeChef Starters 11 Division 1 (Unrated)
Positive Spewing, ATM Queue, The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes, Tsetso Subarrays, A Counting Problem
September Lunchtime 2021 Division 1
Interesting Representation, Alice vs Bob Faceoff
October Lunchtime 2021 Division 1
Median Rearrangement, Tree Upshot
November Cook-Off 2021 Division 1
Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers
November Lunchtime 2021 Division 1
Subarray Jumps
SnackDown 2021 - Elimination Parallel (Rated for Div 1)
Graduate Work Matters, Sorting Segments
December Cook-Off 2021 Division 1
Binary String Game, RGB Construction
December Lunchtime 2021 Division 1
Optimal Sorting, Romantic Reversals, Sleep Technique
January Cook-Off 2022 Division 1
Merged LIS
January Lunchtime 2022 Division 1
Permutation XOR Sum
February Cook-Off 2022 Division 1
Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market
February Lunchtime 2022 Division 1
Chef Cooks Permutation, Visit Them All, Magical Modulo, Magnet Sort
CodeChef Starters 30 Division 1 (Unrated)
Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals
March Cook-Off 2022 Division 1
Secret Tree, Dragonado And XOR, Flippable Points, Alternating Divisibility
March Lunchtime 2022 Division 1
Winter, Adjacency Love, Separate Them All
April Cook-Off 2022 Division 1
Chef Goes Shopping, Sorted Distances
April Lunchtime 2022 Division 1(Rated)
Do Not Touch the MEX!!!, Secret Machine Mania
May Cook-Off 2022 Division 1 (Rated)
Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Equal After And
July Cook-Off 2022 Division 1 (Rated)
Segmentation Fault
June Cook-Off 2022 Division 1 (Rated)
Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum
June Long One 2022 Division 1 (Unrated)
Divisible by i , Possible GCD
June Lunchtime 2022 Division 1 (Rated)
The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum
July Lunchtime 2022 Division 1 (Rated)
Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family
August Lunchtime 2022 Division 1 (Rated)
Tree Coloring
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Adjacent Pairs
Starters 70 Division 1 (Rated till 6-stars)
X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 1 (Unrated)
Flip the Prefix, Expected Sum, Maximizing LCS, Smallest Difference
February Cook-Off 2023 Division 1 (Rated)
Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army
Starters 85 Division 1 (Rated till 6 stars)
Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries, Bomb Blast, TripTastic
Starters 86 Division 1 (Rated for All)
Minimum Operation, String Game , Largest Y
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages, Evil Infection
Starters 100 Division 1 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Ant
Starters 115 Division 1 (Rated)
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Operating on A, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, LCD, Triangular Swaps