Bridge Renovation

brute force, dp, greedy, math, two pointers

Grid Walk

brute force, dp, greedy, math, number theory

Make It Equal

binary search, brute force, greedy, math

Intercepted Inputs

brute force, implementation

I Love 1543

brute force, implementation, matrices

Anya and 1100

brute force, implementation

Tree Operations

binary search, brute force, dfs and similar, dp, trees

Monster

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

Kosuke's Sloth

brute force, math, number theory

Sakurako, Kosuke, and the Permutation

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

Sakurako and Water

brute force, constructive algorithms, greedy

Penchick and Satay Sticks

brute force, greedy, sortings

A TRUE Battle

brute force, games, greedy

Message Spread

bitmasks, brute force, combinatorics, dp

Common Generator

brute force, constructive algorithms, math, number theory

Alice's Adventures in Addition

bitmasks, brute force, dp, implementation

Alice's Adventures in ''Chess''

brute force, implementation, math

Bit Game (Easy Version)

bitmasks, brute force, games, math

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

Attribute Checks

brute force, data structures, dp, implementation, math, two pointers

New Game

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

Many Games

brute force, dp, greedy, math, probabilities

Asesino (Easy Version)

binary search, brute force, constructive algorithms, implementation, interactive

Digital Village (Easy Version)

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

Maximize Mex

brute force, greedy, math, number theory

Connect the Dots

brute force, dp, dsu, graphs, math, trees

Find Minimum Operations

bitmasks, brute force, greedy, math, number theory

Max Plus Size

brute force, dp, greedy

Tree Pruning

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

Cards Partition

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

Milky Days

brute force, data structures, greedy, implementation

Robert Hood and Mrs Hood

brute force, data structures, greedy, sortings

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

Message Transmission Error (easy version)

brute force, strings

Three Brothers

brute force, implementation, math

Alternating Sum of Numbers

brute force, implementation, math

osu!mania

brute force, implementation

Minimize!

brute force, math

Sakurako's Test

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

Alternating String

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

Longest Good Array

binary search, brute force, math

Square or Not

brute force, math, strings

Sakurako's Exam

brute force, constructive algorithms, greedy, math

Dora's Paint

brute force, combinatorics, constructive algorithms, graphs, implementation

Iris's Full Binary Tree

brute force, data structures, dfs and similar, trees

Iris and the Tree

brute force, data structures, dfs and similar, dsu, math, trees

Alter the GCD

binary search, brute force, data structures, divide and conquer, implementation, number theory

Make a Palindrome

binary search, brute force, data structures, greedy, math

Not a Nim Problem

brute force, games, math, number theory

Colored Portals

binary search, brute force, data structures, graphs, greedy, implementation, shortest paths

Game with Doors

brute force, greedy

Turtle and Three Sequences

brute force, data structures, dp, greedy, math, probabilities, two pointers

Turtle and Inversions (Hard Version)

brute force, data structures, divide and conquer, dp, greedy, math, two pointers

Turtle and Inversions (Easy Version)

brute force, divide and conquer, dp, greedy, math

Lattice Optimizing

bitmasks, brute force, hashing, meet-in-the-middle

Court Blue (Hard Version)

brute force, dp, math, number theory

Court Blue (Easy Version)

brute force, dfs and similar, dp, math, number theory

Cosmic Rays

brute force, data structures, dp

DFS Checker (Easy Version)

brute force, data structures, dfs and similar, graphs, hashing, trees

Black Circles

brute force, geometry, greedy, math

Longest Max Min Subsequence

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

Guess The Tree

binary search, brute force, dfs and similar, divide and conquer, dsu, greedy, interactive, trees

Ksyusha and the Loaded Set

binary search, brute force, data structures, implementation

Call During the Journey

binary search, brute force, graphs, greedy, shortest paths

Card Game

brute force, constructive algorithms, implementation

Eliminating Balls With Merging (Hard Version)

binary search, brute force, data structures, divide and conquer, greedy, implementation

Eliminating Balls With Merging (Easy Version)

binary search, brute force, data structures, divide and conquer, greedy

Perform Operations to Maximize Score

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

Chips on a Line

brute force, combinatorics, dp, greedy, math

Level Up

binary search, brute force, data structures, divide and conquer, implementation

Strong Password

brute force, implementation, strings

Penacony

brute force, data structures, graphs, greedy, hashing

Fun

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

Cases

bitmasks, brute force, dp, strings

Squaring

brute force, constructive algorithms, greedy, implementation, math, number theory

Bouquet (Easy Version)

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

Diagonals

brute force, greedy, implementation, math

Minecraft

bitmasks, brute force, dp, graphs, math

Dyn-scripted Robot (Easy Version)

brute force, chinese remainder theorem, constructive algorithms, math, number theory

Valuable Cards

brute force, dp, greedy, number theory, two pointers

Novice's Mistake

brute force, constructive algorithms, implementation, math, strings

Only Pluses

brute force, constructive algorithms, greedy, math, sortings

Triangle Formation

brute force, greedy, implementation, math, sortings

Polygonal Segments

brute force, data structures, divide and conquer, dp, greedy, two pointers

Grid Puzzle

bitmasks, brute force, dp, greedy, implementation

Mad MAD Sum

brute force, greedy, math

Submission Bait

brute force, games, greedy, sortings

Smithing Skill

brute force, data structures, dp, greedy, math, sortings, two pointers

Substring and Subsequence

brute force, greedy, strings

Range Minimum Sum

binary search, brute force, data structures, divide and conquer, implementation

The Omnipotent Monster Killer

brute force, dfs and similar, dp, trees

Split the Multiset

brute force, greedy, implementation, math

Wonderful Tree!

brute force, data structures, dfs and similar, dsu, greedy, trees

Permutation Problem (Hard Version)

brute force, data structures, hashing, math, number theory

Permutation Problem (Simple Version)

binary search, brute force, combinatorics, data structures, math, number theory

Mathematical Problem

brute force, dp, greedy, implementation, math, two pointers