Bridge Renovation

brute force, dp, greedy, math, two pointers

Grid Walk

brute force, dp, greedy, math, number theory

Waiting for...

greedy, implementation

Barrels

data structures, greedy, math

DIY

data structures, geometry, greedy, sortings

Make It Equal

binary search, brute force, greedy, math

Bonus Project

games, greedy

Kachina's Favorite Binary String

dp, greedy, interactive, two pointers

Sharky Surfing

data structures, greedy, two pointers

Superultra's Favorite Permutation

constructive algorithms, greedy, math, number theory

Reverse the Rivers

binary search, constructive algorithms, data structures, greedy

Startup

greedy, sortings

Monster

binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search

Yet Another Real Number Problem

binary search, data structures, divide and conquer, greedy, implementation, math

Everyone Loves Tres

constructive algorithms, greedy, math, number theory

Sakurako and Chefir

data structures, dfs and similar, dp, greedy, trees

Sakurako, Kosuke, and the Permutation

brute force, data structures, dfs and similar, dsu, graphs, greedy, math

Kousuke's Assignment

data structures, dp, dsu, greedy, math

Sakurako's Field Trip

dp, greedy, two pointers

Sakurako and Water

brute force, constructive algorithms, greedy

Balanced

constructive algorithms, data structures, greedy, implementation, math

Genokraken

constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers

Medians

constructive algorithms, greedy, implementation, math

Circuit

greedy, implementation, math, number theory

Penchick and Chloe's Trees

data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees

Penchick and Desert Rabbit

binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers

Penchick and Satay Sticks

brute force, greedy, sortings

Penchick and Modern Monument

constructive algorithms, dp, greedy, math

The Destruction of the Universe (Easy Version)

combinatorics, greedy, math

Orangutan Approved Subarrays

binary search, data structures, dp, greedy, implementation, two pointers

MEXimize the Score

combinatorics, data structures, dp, greedy, implementation, math

A TRUE Battle

brute force, games, greedy

A Gift From Orangutan

constructive algorithms, greedy, math, sortings

Variance Challenge

flows, graphs, greedy

Palindrome Everywhere

constructive algorithms, graphs, greedy

Cool Graph

constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees

New Rating

binary search, data structures, dp, greedy

Set

greedy, math

Alice's Adventures in the Rabbit Hole

combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees

Alice's Adventures in Cards

constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search

Alice's Adventures in Cutting Cake

binary search, dp, greedy, two pointers

The Endspeaker (Hard Version)

binary search, data structures, dp, greedy, implementation, two pointers

The Endspeaker (Easy Version)

binary search, dp, graphs, greedy, implementation, two pointers

Add Zeros

brute force, data structures, dfs and similar, dp, graphs, greedy

Stalin Sort

brute force, greedy

Action Figures

binary search, brute force, constructive algorithms, data structures, greedy, implementation

Black Cells

binary search, brute force, constructive algorithms, greedy

Perpendicular Segments

constructive algorithms, geometry, greedy, math

Choose Your Queries

constructive algorithms, dfs and similar, dp, graphs, greedy, trees

Card Game

combinatorics, dp, fft, greedy, math

New Game

binary search, brute force, greedy, implementation, sortings, two pointers

Two Screens

binary search, greedy, strings, two pointers

Profitable Interest Rate

greedy, math

Hills and Pits

data structures, greedy, math, matrices

Tree of Life

dp, greedy, trees

Many Games

brute force, dp, greedy, math, probabilities

C+K+S

constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings

Concatenation of Arrays

constructive algorithms, greedy, math, sortings

Kar Salesman

binary search, greedy, math

Bus to Pénjamo

constructive algorithms, greedy, implementation, math

Digital Village (Extreme Version)

data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees

Digital Village (Easy Version)

brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees

Boss, Thirsty

dp, greedy, implementation

Adjust The Presentation (Hard Version)

constructive algorithms, data structures, greedy, implementation, sortings

Adjust The Presentation (Easy Version)

constructive algorithms, greedy

Maximize Mex

brute force, greedy, math, number theory

Meaning Mean

data structures, greedy, math, sortings

Find Minimum Operations

bitmasks, brute force, greedy, math, number theory

Max Plus Size

brute force, dp, greedy

Speedbreaker Counting (Hard Version)

dp, greedy, math

Speedbreaker Counting (Medium Version)

dp, greedy, math

Speedbreaker Counting (Easy Version)

combinatorics, dp, greedy, math

Complex Segments (Hard Version)

binary search, data structures, divide and conquer, dsu, greedy, math, sortings

Complex Segments (Easy Version)

binary search, data structures, divide and conquer, dsu, greedy, math, sortings

Max Plus Min Plus Size

data structures, dp, dsu, greedy, implementation, matrices, sortings

Tree Pruning

brute force, dfs and similar, greedy, sortings, trees

Speedbreaker

binary search, data structures, dp, greedy, implementation, two pointers

Cards Partition

2-sat, brute force, greedy, implementation, math

Robin Hood Archery

data structures, divide and conquer, greedy, hashing

Milky Days

brute force, data structures, greedy, implementation

Sheriff's Defense

dfs and similar, dp, greedy, trees

Robert Hood and Mrs Hood

brute force, data structures, greedy, sortings

Robin Hood in Town

binary search, greedy, math

Robin Helps

greedy, implementation

Game in Tree (Easy Version)

binary search, brute force, data structures, dp, games, greedy, implementation, trees

Prefix GCD

brute force, dp, greedy, math, number theory

Minimize the Difference

binary search, greedy

Battle for Survive

constructive algorithms, greedy, math

Strange Matrix

*special problem, graphs, greedy

Good Subarray

*special problem, data structures, greedy

Rock-Paper-Scissors Bot

*special problem, greedy, strings

Sakurako's Test

binary search, brute force, greedy, math, number theory

Sakurako's Task

binary search, greedy, math, number theory

Alternating String

brute force, data structures, dp, greedy, implementation, strings

Sakurako's Exam

brute force, constructive algorithms, greedy, math

Index and Maximum Value

data structures, greedy

Dora's Set

greedy, math, number theory

Iris and Adjacent Products

data structures, greedy, implementation, math

Iris and Game on the Tree

constructive algorithms, dfs and similar, games, graphs, greedy, trees

Subtangle Game (Hard Version)

data structures, dp, games, greedy, implementation