Twil3akine's Logs

C. Striped Horse

D. Forbidden List 2

E. Cookies

F. Egoism

G. Haunted House

F. Beautiful Kadomatsu

G. Sugoroku 6

F. Sum of Mex

G. Sum of Min

D. Sum of Differences

E. Sort Arrays

F. Manhattan Christmas Tree 2

G. Colorful Christmas Tree

E. Minimum Swap

F. Starry Landscape Photo

G. Linear Inequation

B. No-Divisible Range

C. Domino

E. Cover query

F. Cat exercise

G. Domino Arrangement

A. Balloon Trip

B. Bird Watching

C. Flapping Takahashi

D. Clouds

E. Distribute Bunnies

F. Concat (2nd)

G. Keyboard

E. Max Matrix 2

F. 1122 Subsequence 2

G. Substring Game

A. Permute to Maximize

B. Permute to Minimize

C. Candy Tribulation

D. Suddenly, A Tempest

E. Clamp

F. Candy Redistribution

G. Sum of Binom(A, B)

F. Almost Sorted 2

G. One Time Swap 2

C. Truck Driver

D. Neighbor Distance

E. Shift String

F. Back and Forth Filling

G. Range Set Modifying Query

C. Odd One Subsequence

D. On AtCoder Conference

E. Hit and Away

F. Shortest Path Query

G. Sum of Pow of Mod of Linear

D. 183184

E. Farthest Vertex

F. Pyramid Alignment

G. Necklace

D. The Simple Game

E. Wind Cleaning

F. Not Adjacent

G. Takahashi's Expectation 2

C. Upgrade Required

D. Pop and Insert

E. Closest Moment

F. Clearance

G. Range Knapsack Query

D. Ulam-Warburton Automaton

E. Count Sequences 2

F. Inserting Process

G. Sum of Min of XOR

A. Isosceles

B. Perfect

C. New Skill Acquired

D. 2x2 Erasing 2

E. Cut in Half

F. Adding Chords

G. Set list

C. Lock All Doors

D. Long Waiting

E. Sum of Subarrays

F. Loud Cicada

G. Small Multiple 2

D. RLE Moving

E. Yacht

F. Erase between X and Y

G. Increase to make it Increasing

C. Sum of Min Query

D. Toggle Maze

E. Reachability Query

F. kirinuki

G. sqrt(n²+n+X)

E. Subarray Sum Divisibility

F. All Included

G. Count Simple Paths 2

C. Flush

D. XNOR Operation

E. Trapezium

F. We're teapots

G. Binary Operation

C. Distance Indicators

D. Takahashi's Expectation

E. A Path in A Dictionary

F. Random Gathering

G. Binary Cat

D. Match, Mod, Minimize 2

E. Development

F. Paint Tree 2

G. Concat (1st)

C. Mixture

D. Get Many Stickers

E. Hungry Takahashi

F. Max Combo

G. Get Many Cola

F. Jump Traveling

G. AtCoder Express 4

E. Reverse 2^i

F. No Passage

G. Big Banned Grid

E. LCM Sequence

F. Socks 4

G. Degree Harmony

E. E [max]

F. Contraction

G. Count Cycles

F. Balanced Rectangles

G. Longest Chord Chain

D. String Rotation

E. Pair Annihilation

F. Connecting Points

G. Accumulation of Wealth

D. Flip to Gather

E. Minimum OR Path

F. Athletic

G. A/B < p/q < C/D

F. Sums of Sliding Window Maximum

G. Domino Covering SUM

E. Popcount Sum 3

F. Compare Tree Weights

G. Travelling Salesman Problem

E. Fruit Lineup

F. Chord Crossing

G. Range Shuffle Query

E. Bowls and Beans

F. Lost and Pound

G. Specified Range Sums

D. Forbidden Difference

F. Shortest One Formula

G. Odd Position Sum Query

E. Payment Required

F. Path to Integer

G. Sum of Prod of Mod of Linear

E. Reachable Set

F. Add One Edge 3

G. Push Simultaneously

E. Ringo's Favorite Numbers 3

F. Happy Birthday! 3

G. Patisserie ABC 3

E. Replace

F. Range Power Sum

G. Colorful Spanning Tree

E. Tree Game

G. Not Only Tree Game

E. Path Decomposition of a Tree

F. Variety Split Hard

G. Maximize Distance

E. Min of Restricted Sum

F. Rotated Inversions

G. Flip Row or Col

D. Pigeon Swap

E. Flip Edge

F. Smooth Occlusion

G. Minimum Steiner Tree 2

E. Palindromic Shortest Path

F. Alkane

G. Dense Buildings

D. Swap to Gather

E. GCD of Subset

F. Prefix LIS Query

G. Unevenness

D. Doubles

E. Cables and Servers

F. Insert

G. Fine Triplets

D. Gravity

E. Hierarchical Majority Vote

F. K-th Largest Triplet

G. Many LCS

C. Paint to make a rectangle

D. Stone XOR

E. Vitamin Balance

F. Double Sum 3

G. Permutation Concatenation

D. Squares in Circle

E. Square Price

F. Rated Range

G. Odd Even Graph

D. Coming of Age Celebration

E. Simultaneous Kagamimochi

F. Dangerous Sugoroku

G. Simultaneous Kagamimochi 2

C. Snake Numbers

D. Snaky Walk

E. Digit Sum Divisible 2

F. Count Arrays

G. Prime Circuit

C. Operate 1

D. Diagonal Separation

E. Maximize XOR

F. Operate K

G. Many MST

C. Illuminate Buildings

D. Santa Claus 2

E. Snowflake Tree

F. Visible Buildings

G. Counting Buildings

D. Repeated Sequence

E. Takahashi is Slime 2

F. Double Sum 2

G. Abs Sum

B. Humidifier 2

C. Humidifier 3

D. 9 Divisors

E. Sum of Max Matching

F. Diversity

G. Bar Cover

D. Keep Distance

E. Expansion Packs

F. Falling Bars

G. Tile Distance 3

D. 1122 Substring

E. 11/22 Subsequence

F. 1122 Subsequence

G. Fibonacci Product

C. Move Segment

D. Strange Mirroring

E. 1D Bucket Tool

F. Exchange Game

G. Another Shuffle Window

C. Sowing Stones

E. Sum of All Substrings

F. Buildings 2

G. Count Grid 3-coloring

D. Count Simple Paths

E. Mod Sigma Problem

F. Add One Edge 2

G. Everlasting LIDS

E. Permute K times 2

F. Avoid Queen Attack

G. Edit to Match

F. Hands on Ring (Hard)

G. Treasure Hunting

C. Spiral Rotation

E. 3 Team Division

F. Road Blocked

G. Road Blocked 2

E. Sensor Optimization Dilemma 2

F. Shipping

G. Only One Product Name

E. How to Win the Election

F. Knapsack with Diminishing Values

G. No Cross Matching

E. K-th Largest Connected Components

F. Teleporting Takahashi 2

G. Ax + By < C

C. Make Isomorphic

F. Takahashi in Narrow Road

G. Lexicographically Smallest Permutation

E. Avoid K Partition

F. Cake Division

G. Divisible by 3

E. Sightseeing Tour

F. Gather Coins

G. As far as possible

D. Minimum Steiner Tree

E. Train Delay

F. Dividing Game

G. Add and Multiply Queries

D. Pedometer

E. Permute K times

F. Rearrange Query

G. Sum of (XOR^K or 0)

D. Cuboid Sum Query

E. Manhattan Multifocal Ellipse

F. Maximum Composition

G. XOR Neighbors

F. Takahashi on Grid

G. AtCoder Office

F. Range Connect MST

G. Last Major City

D. Palindromic Number

F. Palindromic Expression

G. Dynamic Scheduling

E. Count Arithmetic Subsequences

F. Perfect Matching on a Tree

G. Count Substring Query

D. Go Stone Puzzle

E. Tree and Hamilton Path 2

F. x = a^b

G. Go Territory

E. Random Swaps of Balls

F. InterSections

G. Suitable Edit for LIS

C. Tile Distance 2

D. Avoid K Palindrome

E. Water Tank

F. Tree Degree Optimization

G. Sum of Tree Distance

D. Souvenirs

E. Alphabet Tiles

F. Easiest Maze

G. AtCoder Tour

C. Sierpinski carpet

D. 88888888

E. Reachability in Functional Graph

F. Two Sequence Queries

G. Stair-like Grid

D. Masked Popcount

E. Max/Min

F. Distance Component Size Query

G. Freestyle

D. Intersecting Intervals

E. Guess the Sum

F. MST Query

G. Baseball

D. AtCoder Wallpaper

E. Remove Pairs

F. Useless for LIS

G. Select Strings

D. Another Sigma Problem

E. Yet Another Sigma Problem

F. Tile Distance

G. Merchant Takahashi

E. Clique Connect

F. Estimate Order

G. Socks 3

D. Grid and Magnet

E. Jump Distance Sum

F. Double Sum

G. Hash on Tree

D. New Friends

E. Toward 0

F. Transpose

G. Mediator

D. Divide Interval

E. Weighted Tic-Tac-Toe

F. Subsequence LCM

G. Palindrome Construction

F. Oddly Similar

G. Max (Sum - Max)

D. Popcount and XOR

E. Set Add Query

F. Non-overlapping Squares

G. Grid Coloring 2

D. Gomamayo Sequence

G. Alone

D. Tiling

E. Colorful Subsequence

F. Many Lamps

G. Sugoroku 5

D. String Bags

E. Insert or Erase

F. Earn to Advance

G. Points and Comparison

E. 7x7x7

F. Second Largest Query

G. Compress Strings

D. Square Pair

E. Last Train

F. Black Jack

G. Retroactive Range Chmax

D. Only one of two

E. Alternating String

F. Breakdown

G. Highest Ratio

E. Mancala 2

F. S = 1

G. Leaf Color

D. Synchronized Players

E. Smooth Subsequence

F. Product Equality

G. Smaller Sum

C. Leftover Recipes

D. Island Tour

E. Chords

F. Negative Traveling Salesman

G. evall

D. Cheating Gomoku Narabe

E. Bad Juice

F. Usual Color Ball Problems

G. Tree Inversion

D. Pyramid

E. Digit Sum Divisible

F. Rotation Puzzle

G. 16 Integers

C. Loong Tracking

D. Loong and Takahashi

E. Non-Decreasing Colorful Path

F. Hop Sugoroku

G. Discrete Logarithm Problems

B. Christmas Trees

C. Socks 2

D. Reindeer and Sleigh

E. Christmas Color Grid 1

F. Christmas Present 2

G. Christmas Color Grid 2

C. Repunit Trio

D. Erase Leaves

E. Takahashi Quest

F. Bomb Game 2

G. Nearest Fraction

D. Swapping Puzzle

E. Lucky bag

F. Random Update Query

G. Not Too Many Balls

D. Tile Pattern

E. Set Meal

F. Palindrome Query

G. Collect Them All

C. Minimize Abs 2

D. Counting Ls

E. Mex and Update

F. Minimize Bounding Square

G. Inversion Squared

D. Election Quick Report

E. Stamp

F. Colored Ball

G. Delivery on Tree

D. Take ABC

E. Modulo MST

F. Good Set Query

G. Cut and Reorder

D. Good Tuple Problem

E. Maximize Rating

F. Apples

G. Many Good Tuple Problems

C. Peak

D. ABC Puzzle

E. Revenge of "The Salary of AtCoder Inc."

F. Robot Rotation

G. Unlock Achievement

D. Printing Machine

E. Our clients, please wait a moment

F. Sensor Optimization Dilemma

G. offence

C. Error Correction

D. Square Permutation

E. Joint Two Strings

F. Beautiful Path

G. Generate Arrays

C. World Tour Finals

D. Merge Slimes

E. Playlist

F. Push and Carry

G. Inversion of Tree

D. Polyomino

E. Product Development

F. Vacation Query

G. Two Kinds of Base

C. 321-like Searcher

E. Complete Binary Tree

F. #(subset sum = K) with Add and Erase

G. Electric Circuit

D. Relative Position

E. Somen Nagashi

F. Fuel Round Trip

G. Slot Strategy 2 (Hard)

C. False Hope

D. Minimum Width

E. Bus Stops

F. Fighter Takahashi

G. Counting Shortest Paths

D. General Weighted Max Matching

E. Sandwiches

F. Octopus

G. Typical Path Problem

Ex. Count Strong Test Cases

C. Remembering the Days

D. President

E. Avoid Eye Contact

F. Nim

G. Rearranging

Ex. Walk

D. Magical Cookies

E. Prerequisites

F. Shortcuts

G. Ai + Bj + Ck = X (1 <= i, j, k <= N)

Ex. Typical Convolution Problem

E. Roulettes

F. A Certain Game

G. Amulets

Ex. Disk and Segments

C. Approximate Equalization 2

D. Odd or Even

E. Duplicate

F. Flip Machines

G. Redistribution of Piles

Ex. Group Photo

C. Invisible Hand

D. Count Bracket Sequences

E. Tangency of Cuboids

F. Cans and Openers

G. Avoid Straight Line

Ex. snukesnuke

C. Find it!

D. Grid Ice Floor

E. Defect-free Squares

F. Yet Another Grid Task

G. One More Grid Task

Ex. Many Illumination Plans

D. Peaceful Teams

E. NAND repeatedly

F. Make 10 Again

G. Takahashi And Pass-The-Ball Game

Ex. Negative Cost

B. Rotate

D. Add One Edge

E. Family and Insurance

F. Box in Box

G. Ban Permutation

Ex. Simple Path Counting Problem

D. Snuke Maze

E. MEX

F. Vouchers

G. Minimum Xor Pair Query

Ex. Make Q

C. Ideal Sheet

E. Distinct Adjacent

F. Virus 2

G. Approximate Equalization

Ex. Marquee

C. Centers

D. Poisonous Full-Course

E. Best Performances

F. Merge Sets

G. Return to 1

Ex. Balance Scale

D. Sleep Log

E. Art Gallery on Graph

F. Dungeon Explore

G. Banned Substrings

Ex. Shojin

B. Subscribers

C. Virus

D. A Piece of Cake

E. Good Graph

F. Shift Table

G. Max of Medians

Ex. Constrained Topological Sort

D. Shift vs. CapsLock

E. A Gift From the Stars

F. Damage over Time

G. Bags Game

Ex. Constrained Tree Degree

C. Almost Equal

E. Isolation

F. Merge Set

G. Sort from 1 to 4

Ex. Ball Collector

C. AtCoder Cards

D. Bitmask

E. Pac-Takahashi

F. Anti-DDoS

G. Worst Picture

Ex. Difference of Distance

D. AABCC

E. Dice Product 3

F. More Holidays

G. P-smooth number

Ex. Fibonacci: Revisited

B. Trick Taking

C. Dango

E. Nearest Black Vertex

F. Square Subsequence

G. Minimum Permutation

Ex. Dice Sum Infinity

B. Coloring Matrix

C. Cards Query Problem

D. Writing a Numeral

E. Unfair Sugoroku

F. Rook Score

G. Strawberry War

Ex. Sum of Min of Length

B. chess960

D. Count Subtractions

E. Kth Takoyaki Set

F. Minimum Bounding Box 2

G. Constrained Nim 2

Ex. Diff Adjacent

C. Gap Existence

E. Transition Game

F. Simultaneous Swap

G. Polygon and Points

Ex. Unite

B. Bombs

C. Socks

D. Three Days Ago

E. Kth Number

F. substr = S

G. Minimum Reachable City

Ex. E or m

D. Bank

E. 2xN Grid

F. Sugar Water 2

G. Distance Queries on a Tree

Ex. K-Coloring

D. Tying Rope

E. Geometric Progression

F. Zero or One

G. Triple Index

Ex. Optimal Path Decomposition

B. Yellow and Red Card

D. Unicyclic Components

E. Transitivity

F. Regular Triangle Inside a Rectangle

G. Count Strictly Increasing Sequences

Ex. Rating Estimator

B. Trimmed Mean

D. Flip Cards

E. Find Permutation

F. Teleporter and Closed off

G. OR Sum

Ex. Balanced Tree

B. Qual B

C. Max MEX

E. Make it Palindrome

F. Maximum Diameter

G. Edge Elimination

Ex. Bow Meow Optimization

B. V

C. Coverage

D. Step Up Robot

E. Swap Places

F. Teleporter Takahashi

G. Shopping in AtCoder store

Ex. Trio

C. Don’t be cycle

D. Range Add Query

E. Wish List

F. Integer Division

G. 3^N Minesweeper

Ex. A Nameless Counting Problem

B. Postal Card

C. Path Graph?

D. Match or Not

E. Karuta

F. Components

G. Balance Update Query

Ex. Directed Graph and Query

C. Rotate and Palindrome

D. Money in Hand

E. Souvenir

F. Guess The Number 2

G. Unique Walk

Ex. Don't Swim

C. abc285_brutmhyhiizp

D. Change Usernames

E. Work or Rest

F. Substring of Sorted String

G. Tatami

Ex. Avoid Square Number

C. Count Connected Components

D. Happy New Year 2023

E. Count Simple Paths

F. ABCBAC

G. Only Once

Ex. Count Unlabeled Graphs

B. First Query Problem

D. Scope

E. Don't Isolate Elements

F. Permutation Distance

G. Partial Xor Enumeration

Ex. Popcount Sum

B. Let's Get a Perfect Score

C. String Delimiter

D. Make Bipartite 2

E. Choose Two and Eat One

F. Union of Two Sets

G. Similar Permutation

Ex. Min + Sum

B. Sandwich Number

D. Max Multiple

E. Least Elements

F. Xor Minimization

G. Farthest City

Ex. Alchemy

D. Factorial and Multiple

F. Pay or Receive

G. Do Use Hexagon Grid 2

Ex. Substring Sort

C. RANDOM

E. Cheating Amidakuji

F. BOX

G. At Most 2 Colors

Ex. Sum of Prod of Min

B. Misjudge the Time

D. All Assign Point Add

E. Grid Filling

F. Shiritori

G. Generalized Subtraction Game

Ex. make 1

B. Playing Cards Validation

C. Ladder Takahashi

D. Takahashi's Solitaire

E. Crystal Switches

F. Sorting a Matrix

G. Random Walk to Millionaire

Ex. Constrained Sums

B. Adjacency List

C. Previous Permutation

D. Divide by 2 or 3

E. Round Trip

F. Double Chance

G. Count Sequences

Ex. Construct a Matrix

B. ABC-DEF

C. Counting Squares

D. Yet Another Recursive Function

E. Sugoroku 4

F. Erase Subarrays

G. Infinite Knapsack

Ex. Monster

C. Ameba

D. Robot Arms 2

E. Booster

F. Fishing

G. Security Camera 3

Ex. XOR Sum of Arrays

B. Broken Rounding

C. (K+1)-th Largest Number

D. LRUD Instructions

E. Notebook

F. Hammer 2

G. Row Column Sums 2

Ex. Inv(0,1)ving Insert(1,0)n

B. Everyone is Friends

D. Root M Leaper

E. Add and Mex

F. Two Strings

G. Yet Another mod M

Ex. Flipping Coins 2

A. 484558

B. Maintain Multiple Sequences

C. Manga

D. Flip and Adjust

E. Subsequence Path

F. XOR on Grid Path

G. Access Counter

Ex. General General

A. 1-2-4 Test

B. Hammer

C. Simple path

D. Stones

E. Apple Baskets on Circle

F. Transportation

G. Sequence in mod P

Ex. add 1

B. Rectangle Detection

D. Do use hexagon grid

E. Last Rook

F. Numbered Checker

G. Reversible Cards 2

Ex. Antichain

A. Five Integers

B. Prefix?

C. Chinese Restaurant

D. Unique Username

E. Chinese Restaurant (Three-Star Version)

F. Best Concatenation

G. Random Student ID

Ex. Taboo

B. Split?

C. Index × A(Continuous ver.)

D. Index × A(Not Continuous ver.)

E. Erasing Vertices 2

F. Exactly K Steps

G. Increasing K Times

Ex. Odd Sum

C. Convex Quadrilateral

D. Snuke Panic (1D)

E. Throwing the Die

F. Well-defined Path Queries on a Namori

G. Yet Another RGB Sequence

Ex. Snuke Panic (2D)

A. Apple

B. Explore

D. Iroha and Haiku (New ABC Edition)

E. Warp

F. Manhattan Cafe

G. 012 Inversion

Ex. No-capture Lance Game

B. Nice Grid

C. Matrix Reducing

D. "redocta".swap(i,i+1)

E. Blackout 2

F. Monochromatic Path

G. String Fair

Ex. Perfect Binary Tree

A. Full House

B. Ancestor

C. Monotonically Increasing

D. Left Right Operation

E. Sugoroku 3

F. Tournament

G. Erasing Prime Pairs

Ex. Intersection 2

C. Min Max Pair

D. I Hate Non-integer Number

E. Red and Blue Graph

F. Erase and Rotate

G. LIS with Stack

Ex. Max Limited Sequence

A. Intersection

B. Tournament Result

C. NewFolder(1)

D. Flipping and Bonus

E. Many Operations

F. Sorting Color Balls

G. Replace

Ex. Game on Graph

A. A Unique Letter

B. Better Students Are Needed!

C. Changing Jewels

D. Draw Your Cards

E. At Least One

F. Find 4-cycle

G. Scalene Triangle Area

Ex. Colorfulness

B. Counterclockwise Rotation

C. XX to XXX

D. Circumferences

E. LCM on Whiteboard

F. Select Edges

G. Grid Card Game

Ex. Yet Another Path Counting

A. When?

B. Number Box

E. Packing Potatoes

F. Main Street

G. Triangle

Ex. Odd Steps

B. 1D Pawn

C. Robot Takahashi

D. Jumping Takahashi 2

E. Addition and Multiplication 2

F. Teleporter Setting

G. Prefix Concatenation

Ex. Dice Sum 2

B. Batters

C. Filling 3x3 array

E. Takahashi's Anguish

F. Cumulative Cumulative Cumulative Sum

G. Black and White Stones

Ex. I like Query Problem

A. You should output ARC, though this is ABC.

B. Light It Up

C. ±1 Operation 1

D. ±1 Operation 2

E. Lucky Numbers

F. Pre-order and In-order

G. Constrained Nim

Ex. Range Harvest Query

B. Practical Computing

C. K Swap

D. Together Square

E. Small d and k

F. Rectangle GCD

G. Elevators

Ex. Multiply or Divide by 2

B. Distance Between Tokens

C. Max - Min Query

D. FizzBuzz Sum Hard

E. Distance Sequence

F. Operations on a Matrix

G. Swap Many Times

Ex. We Love Forest

B. Takahashi's Failure

D. Distinct Trio

E. Road Reduction

F. Bread

G. Pre-Order

Ex. K-th beautiful Necklace

A. Six Characters

B. At Most 3 (Judge ver.)

C. Poem Online Judge

D. At Most 3 (Contestant ver.)

E. Tahakashi and Animals

F. Two Spanning Trees

G. Intersection of Polygons

Ex. Fill Triangle

A. Adjacent Squares

B. Enlarged Checker Board

C. Adjacent Swaps

D. 250-like Number

E. Prefix Equality

F. One Fourth

G. Stonks

Ex. Trespassing Takahashi

A. Jogging

B. Perfect String

C. Just K

D. Index Trio

E. RLE

F. Ignore Operations

G. Xor Cards

Ex. Dye Color

C. Dice Sum

D. Range Count Query

E. K-colinear Line

F. Keep Connect

G. GCD cost on the tree

Ex. Beautiful Subsequences

A. Move Right

B. Unique Nicknames

D. Cylinder

E. Max Min

F. Cards

G. Dream Team

Ex. Rearranging Problem

A. Four Points

B. Get Closer

C. Coupon

D. 2-variable Function

E. Bishop 2

F. typewriter

G. Game on Tree 3

Ex. 01? Queries

A. Good morning

C. Choose Elements

D. Polynomial division

E. Wrapping Chocolate

F. Endless Walk

G. Foreign Friends

Ex. Product Modulo 2

A. Last Letter

B. Go Straight and Turn Right

C. Yamanote Line Game

D. Swap Hats

E. King Bombee

F. Shortest Good Path

G. Construct Good Path

Ex. Linear Maximization

A. Shampoo

B. Hit and Blow

D. Moves on Binary Tree

E. Edge Deletion

F. Lottery

G. Sqrt

Ex. Builder Takahashi (Enhanced version)

A. T-shirt

B. Minimize Ordering

C. 1111gal password

D. ABC Transform

E. (∀x∀)

F. Black and White Rooks

G. Range Pairing Query

Ex. Random Painting

A. Digit Machine

B. Pasta

D. Sequence Query

E. Putting Candies

F. Skate

G. Round Robin

Ex. Card Deck Score

A. Edge Checker

D. Strange Balls

E. Ranges on Tree

F. Sum Sum Max

G. Teleporting Takahashi

Ex. Sequence of Substrings

A. Horizon

B. Integer Division

C. Knight Fork

D. Prime Sum Game

E. Subtree K-th Max

F. Construct Highway

G. Builder Takahashi

Ex. Dice Product 2

B. Pizza

C. digitnum

D. AND and SUM

E. Range Sums

F. Two Exams

G. Cubic?

Ex. Removing People

B. Matrix Transposition

E. Skiing

F. |LIS| = 3

G. Range Sort Query

Ex. Hakata

B. Who is missing?

C. Route Map

D. Dance

E. Average and Median

F. Spices

G. Good Vertices

Ex. Distinct Multiples

B. Climbing Takahashi

C. The Kth Time Query

D. Multiply and Rotate

E. MST + 1

F. Variety of Digits

G. Gardens

Ex. Painting Weighted Graph

A. Weird Function

B. Longest Segment

C. Happy New Year!

D. Prefix K-th Max

E. Arithmetic Number

F. Reordering

G. Divide a Sequence

Ex. Enumerate Pairs

B. A Reverse

C. Product

E. Σ[k=0..10^100]floor(X／10^k)

F. Swap and Sort

G. Strongest Takahashi

Ex. Manhattan Christmas Tree

B. Caesar Cipher

C. Graph Isomorphism

D. Weak Takahashi

E. Rook Path

F. Simple Operations on Sequence

G. Modulo Shortest Path

H. King's Tour

C. Counting 2

D. Neighbors

E. Minimal payments

F. Jealous Two

G. Balls in Boxes

H. Minimum Coloring

B. Triple Metre

C. X drawing

D. Destroyer Takahashi

E. Fraction Floor Sum

F. Predilection

G. GCD Permutation

H. Bullion

A. First Grid

B. Hard Calculation

C. Cheese

D. Longest X

E. Graph Destruction

F. Make Bipartite

G. Longest Y

H. Advance or Eat

A. On and Off

C. Final Day

D. Linear Probing

E. Integer Sequence Fair

F. Stamp Game

G. Digits on Grid

H. Histogram

A. Last Card

B. KEYENCE building

C. ABC conjecture

D. Project Planning

E. Swap

F. Treasure Hunting

G. Divisors of Binomial Coefficient

H. Eat Them All

A. Round decimals

B. Counting Arrays

C. Martial artist

D. Teleportation

E. Just one

F. Score of Permutations

G. The baggage

H. Random Kth Max

A. Distinct Strings

B. Star or Not

C. Calendar Validator

D. Play Train

E. 7

F. String Cards

G. X

H. Social Distance 2

B. Mongeness

C. Triangle?

D. 8 Puzzle on Graph

E. Integers on Grid

F. Problem where +s Separate Digits

G. Roll or Increment

H. Security Camera 2

B. String Shifting

C. Doukasen

D. Restricted Permutation

E. Placing Rectangles

F. Parenthesis Checking

G. Vertex Deletion

H. Xor Query

B. Failing Grade

C. Swiss-System Tournament

E. Red and Blue Tree

F. Expensive Expense

G. 222

H. Beautiful Binary Tree

A. Seismic magnitude scales

B. typo

C. Select Mul

D. Online games

E. LEQ

F. Diameter set

G. Jumping sequence

H. Count Multiset

B. Base K

D. FG operation

E. Distance on Large Perfect Binary Tree

F. Distance Sums 2

G. Isosceles Trapezium

H. Security Camera

C. Neo-lexicographic Ordering

D. Strange Lunchbox

E. Moat

F. Cleaning Robot

G. Propagation

H. Candles

B. qwerty

C. Shapes

D. Rectangles

E. Destruction

F. Blocked Roads

G. Game on Tree 2

H. Red and Blue Lamps

A. Lexicographic Order

C. Inverse of Permutation

D. Cutting Woods

E. Sorting Queries

F. Make Pair

G. Groups

H. Snuketoon

A. Signed Difficulty

B. Same Name

C. Many Balls

D. Pair of Balls

E. Amusement Park

F. Max Sum Counting

G. 01Sequence

H. Random Robots

C. One More aab aba baa

D. Coprime 2

E. Chain Contestant

F. Dist Max 2

G. Colorful Candies 2

H. Cabbage Master

B. How many?

C. Distribution

D. Sum of Maximum Weights

E. Packing Under Range Regulations

F. Substrings

G. Three Permutations

H. Collecting

A. Bitwise Exclusive Or

B. Booby Prize

C. Reorder Cards

D. Takahashi Tour

E. Stronger Takahashi

F. Common Prefixes

G. Connectivity 2

H. Stroll

D. Querying Multiset

E. Safety Journey

F. Greedy Takahashi

G. Power Pair

H. Nim Counting

E. Red Polyomino

F. Rectilinear Polygons

A. Cabbages

B. Bouzu Mekuri

C. Colorful Candies

D. National Railway

E. Ring MST

F. Coprime Solitaire

C. Not Equal

D. Collision

E. Shiritori

F. Deforestation

A. Rolling Dice

B. Factorial Yen Coin

C. Fair Candy Distribution

D. Shortest Path Queries 2

E. Digit Products

F. Cumulative Sum

A. Repression

C. Many Segments

D. Congruence Points

E. Mod i

F. Tree Patrolling

A. Maxi-Buying

B. Savings

C. Swappable

D. KAIBUNsyo

E. Divide Both

F. Interval Game 2

A. kcal

B. Permutation Check

C. POW

E. White and Black Balls

F. Grid and Tokens

C. Tour

D. Cooking

E. Rush Hour 2

F. Hanjo 2

A. Chinchirorin

B. AtCoder Condominium

C. Friends and Travel costs

D. Pond

E. White Pawn

F. Weed

B. 180°

C. Made Up

D. aab aba baa

E. Count Descendants

F. Integer Convex Hull

A. Tiny Arithmetic Sequence

B. Do you know the second highest mountain?

C. Secret Number

D. Game in Momotetsu World

E. Xor Distances

F. Insertion Sort

C. Ringo's Favorite Numbers 2

D. Happy Birthday! 2

E. Patisserie ABC 2

F. Minflip Summation

A. Square Inequality

C. IPFL

D. RGB Coloring 2

E. Permutation

F. Graph Smoothing

B. Palindrome with leading zeros

C. Compass Walking

D. Send More Money

E. Unique Color

F. Cube

A. Rotate

B. Visibility

C. ORXOR

D. Opposite

E. Traveler

F. Construct a Palindrome

A. Difference Max

B. Round Down

C. Doubled

D. Hanjo

E. Filters

F. Substring 2

A. Health M Death

B. Many Oranges

C. Comma

D. Shipping Center

E. Lucky 7 Battle

F. Coprime Present

A. I Scream

B. Job Assignment

C. Squared Error

D. Journey

E. Mex Min

F. Digits Paradise in Hexadecimal

B. Play Snuke

C. Unexpressed

D. Poker

E. Oversleeping

F. Zebraness

B. uNrEaDaBlE sTrInG

C. Kaprekar Number

D. Base n

E. Train

F. Potion

A. Vanishing Pitch

B. Remove It

C. Digital Graffiti

D. Circle Lattice Points

E. Come Back Quickly

F. GCD or MIN

A. Very Very Primitive Game

B. Magic 3

C. Bowls and Dishes

D. Staircase Sequences

E. Magical Ornament

F. Shift and Inversions

B. Alcoholic

C. Mandarin Orange

D. Logical Expression

E. Rotate and Flip

F. Sugoroku2

B. Orthogonality

C. ABC Tournament

D. Snuke Prime

E. Peddler

F. +1-1x2

A. Large Digits

B. Gentle Pairs

D. Choose Me

E. Through Path

F. Close Group

D. Sum of difference

E. Throne

F. Rook on Grid

B. Smartphone Addiction

C. Duodecim Ferra

D. Stamp

E. Sequence Matching

F. Range Xor Query

B. Quizzes

C. Super Ryuma

D. increment of coins

E. Third Avenue

F. Programming Contest

B. Billiards

C. Travel

E. Queen on Grid

F. Confluence

B. Almost GCD

C. To 3

D. Wandering

E. Akari

F. Valid payments

B. Trapezoid Sum

C. Collinearity

D. Hachi

E. Transformable Teacher

F. Silver Woods

B. Various distances

C. Cream puff

D. Takahashi Unevolved

E. Traveling Salesman among Aerial Cities

F. Unbranched

A. Plural Form

B. Go to Jail

C. A x B + C

D. Leaping Tak

E. Sequence Sum

F. Simplified Reversi

A. Not

B. Product Max

C. Ubiquity

D. Redistribution

E. Dist Max

F. Contrast

A. Don't be late

D. Friends

E. Coprime

F. I hate Shortest Path Problem

B. Multiple of 9

C. Step

D. Wizard in Maze

E. Bomber

F. Brave CHAIN

A. Rainy Season

B. Making Triangle

C. Walking Takahashi

D. Moving Piece

E. Picking Goods

F. Making Palindrome

C. Repsept

E. Logs

F. Range Set Query

C. H and V

D. Chat in a Circle

E. Multiplication 4

F. Intervals on Tree

B. Minor Change

C. Tsundoku

D. Sum of Divisors

E. NEQ

F. Unfair Nim

A. αlphabet

B. Mix Juice

C. One Quadrillion and One Dalmatians

D. Replacing

E. Red Scarf

F. Strivore

A. Five Variables

B. Crane and Turtle

C. Forbidden List

D. Not Divisible

E. Smart Infants

F. Pond Skater

B. Multiplication 2

C. Multiplication 3

D. Div Game

E. Count Median

F. Knapsack for All Subsets

B. ... (Triple Dots)

C. : (Colon)

D. .. (Double Dots)

E. ∙ (Bullet)

F. . (Single Dot)

B. Easy Linear Programming

C. Skill Up

E. Colorful Blocks

F. Bracket Sequencing

A. A?C

C. Peaks

D. I hate Factorization

E. This Message Will Self-Destruct in 5s

F. Three Variables Game

A. We Love Golf

B. 1%

C. Many Requirements

D. Floor Function

E. Rotation Matching

F. LIS on Tree

A. Sheep and Wolves

B. Battle

C. gacha

D. Multiple of 2019

E. Two Currencies

F. I hate Matrix Construction

A. Circle Pond

B. Homework

C. management

D. Sum of Large Numbers

E. Active Infants

F. path pass i

C. Sum of gcd of Tuples (Easy)

D. RGB Triplets

E. Sum of gcd of Tuples (Hard)

F. Select Half

A. ABC Swap

B. Popular Vote

C. Replacing Integer

D. Lunlun Number

E. Yutori

F. Division or Subtraction

B. Golden Coins

C. Traveling Salesman around Lake

D. Line++

E. Red and Green Apples

F. Distributing Integers

A. The Number of Even Pairs

B. String Palindrome

C. Maximum Volume

D. Banned K

E. Dividing Chocolate

F. Knapsack for All Segments

A. Station and Bus

B. Count Balls

C. Tax Increase

D. String Formation

E. Divisible Substring

F. Removing Robots

C. Guess The Number

D. Friend Suggestions

E. Simple String Queries

F. Yakiniku Optimization Problem

A. Beginner

B. Digits

D. Bouquet

E. Roaming

F. Modularness

D. Pairs

E. Payment

F. Perils in Parallel

C. Distinct or Not

E. Almost Everywhere Zero

F. Many Many Paths

A. Serval vs Monster

B. Common Raccoon vs Monster

C. Fennec vs Monster

D. Caracal vs Monster

E. Crested Ibis vs Monster

F. Silver Fox vs Monster

C. Low Elements

D. Handstand 2

E. Flatten

F. Tree and Constraints

D. Maze Master

E. Max-Min Sums

F. Enclose All

B. Count ABC

C. Count Order

D. Semi Common Multiple

E. Change a Little Bit

F. Xor Shift

B. Greedy Takahashi

C. Next Prime

D. Prediction and Restriction

E. Handshake

F. Surrounded Nodes

A. Round One

B. Strings with the Same Length

C. Snack

D. Brick Break

E. Double Factorial

F. Playing Tag on Tree

A. Blackjack

B. Palindrome-philia

C. HonestOrUnkind2

D. Xor Sum 4

E. Balanced Path

F. Sum Difference

A. Can't Wait for Holiday

B. ROT N

C. Buy an Integer

D. Coloring Edges on Tree

E. Rem of Sum is Num

F. Sugoroku

A. Circle

B. Echo

C. Average Length

D. Knight

E. All-you-can-eat

F. Laminate

A. 9x9

B. 81

C. Walk on Multiplication Table

D. Water Bottle

E. Gluttony

F. Fork in the Road

A. Curtain

B. TAKOYAKI FESTIVAL 2019

C. Slimes

D. Triangles

E. Travel by Car

F. Distinct Numbers

A. Odds of Oddness

B. Roller Coaster

C. Go to School

D. Disjoint Set of Common Divisors

E. Get Everything

F. Pure

A. Weather Prediction

B. Tap Dance

C. Attack Survival

D. Powerful Discount Tickets

E. Who Says a Pun?

F. Xor Sum 3

A. Password

B. Buffet

C. Maximal Value

D. Face Produces Unhappiness

E. Second Sum

F. Many Slimes

A. Tenki

D. ModSum

E. League

F. Engines

A. Red or Not

B. Resistors in Parallel

C. Alchemist

D. Ki

E. Strings of Impurity

F. Coincidence

B. One Clue

C. Green Bin

D. Summer Vacation

E. Coins Respawn

F. Polynomial Construction

A. Transfer

B. Uneven Numbers

D. Gathering Children

E. Max GCD

F. Enclosed Points

A. Harmony

B. 0 or 1 Swap

C. City Savers

D. Digits Parade

E. Golf

F. Strings of Eternity

B. Golden Apple

C. Exception Handling

D. Preparing Boxes

E. Sequence Decomposing

F. Permutation Oddness

A. T or T

B. Good Distance

C. Remainder Minimization 2019

D. Rain Flows into Dams

E. Virus Tree 2

F. Colorful Tree

B. Ordinary Number

C. Divide the Problems

D. Blue and Red Balls

E. Hopscotch Addict

F. Small Products

A. Security

B. Bite Eating

C. Anti-Division

D. Megalomania

E. Friendships

F. Must Be Rectangular!

A. Rounding

C. Rectangle Cutting

D. Enough Array

E. Common Subsequence

F. Minimum Bounding Box

A. Airplane

C. Typical Stairs

D. Lamp

E. Sum Equals Xor

F. Takahashi's Basics in Education and Learning

A. Apple Pie

B. Guidebook

C. Switches

D. equeue

E. Roadwork

F. Frog Jump

D. Integer Cards

E. Cell Distance

F. Absolute Minima

A. Changing a Character

B. YYMM or MMYY

C. Dice and Coin

D. Even Relation

E. 1 or 2

F. XOR Matching

A. Biscuit Generator

B. Resale

C. GCD on Blackboard

D. Flipping Signs

A. Buttons

B. Great Ocean View

C. Coloring Colorfully

D. Handstand

A. Five Antennas

B. Five Dishes

C. Five Transportations

D. Cake 123

A. Double Helix

B. ATCoder

C. GeT AC

D. We Like AGC

A. White Cells

C. Energy Drink Collector

D. XOR World