Cute number

binary search, brute force, data structures, dsu, implementation, math

Sanae and Giant Robot

binary search, brute force, data structures, dsu, greedy, sortings

The Enchanted Forest

brute force, greedy

Bring Balance

brute force, constructive algorithms, greedy

MEX vs DIFF

binary search, brute force, constructive algorithms, data structures, greedy, two pointers

Column Swapping

brute force, constructive algorithms, greedy, implementation, sortings

Required Length

brute force, dfs and similar, dp, hashing, shortest paths

Dog Walking

brute force, greedy, math

Minimums and Maximums

brute force, math

AvtoBus

brute force, greedy, math, number theory

Tokitsukaze and Strange Inequality

brute force, data structures, dp

Maximum Crossings (Easy Version)

brute force

X-Sum

brute force, greedy, implementation

Most Similar Words

brute force, greedy, implementation, implementation, math, strings

Breaking the Wall

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

Palindrome Basis

brute force, dp, math, number theory

A Perfectly Balanced String?

brute force, greedy, strings

Permutation Counting

brute force, combinatorics, dp, fft, math

Insert a Progression

brute force, constructive algorithms, greedy

Dolce Vita

binary search, brute force, greedy, math

Consecutive Points Segment

brute force, math, sortings

Very Suspicious

binary search, brute force, geometry, greedy, implementation, math

Dorms War

brute force, implementation, strings

Make it Increasing

brute force, greedy, math

Interactive Treasure Hunt

brute force, constructive algorithms, geometry, interactive, math

Connect the Points

brute force, constructive algorithms, geometry

MinimizOR

bitmasks, brute force, data structures, divide and conquer, greedy, implementation, two pointers

Circular Maze

brute force, dfs and similar, graphs, implementation

Ice Cream Shop

brute force, implementation, sortings

Boundary

brute force, math

Organizing SWERC

brute force, implementation

Narrow Components

brute force, data structures, dp, dsu, math, trees

Getting Zero

bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths

Promising String (easy version)

brute force, implementation, math, strings

Matrix and Shifts

brute force, constructive algorithms, greedy, implementation

Maximum Product Strikes Back

brute force, implementation, math, two pointers

AND-MEX Walk

bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs

Line Empire

binary search, brute force, dp, greedy, implementation, math

Juju and Binary String

brute force, constructive algorithms, greedy, math

388535 (Hard Version)

bitmasks, brute force, data structures, math

For Gamers. By Gamers.

binary search, brute force, greedy, math, sortings

Integer Moves

brute force, math

Arithmetic Operations

brute force, data structures, graphs, math

Maximum Cake Tastiness

brute force, greedy, implementation, sortings

Tower Defense

binary search, brute force, data structures

Sum of Matchings

brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math

Fault-tolerant Network

brute force, data structures, implementation

Twist the Permutation

brute force, constructive algorithms, implementation, math

Integral Array

brute force, constructive algorithms, data structures, math

Madoka and the Elegant Gift

brute force, constructive algorithms, graphs, implementation

Power Board

brute force, dp, math, number theory

Factorials and Powers of Two

bitmasks, brute force, constructive algorithms, dp, math

Quality vs Quantity

brute force, constructive algorithms, greedy, sortings, two pointers

Expand the Path

brute force, combinatorics, data structures, implementation, math

Increase Subarray Sums

brute force, dp, greedy, implementation

Anti-Fibonacci Permutation

brute force, constructive algorithms, implementation

Two Arrays

bitmasks, brute force, combinatorics, greedy, hashing, math, two pointers

Anonymity Is Important

binary search, brute force, data structures, dsu, greedy, sortings

Great Sequence

brute force, greedy, sortings

Two Posters

brute force, data structures, greedy, two pointers

Colorful Operations

brute force, data structures, implementation

Best Pair

binary search, brute force, implementation

MEX and Array

brute force, dp, greedy, math

Sorting Parts

brute force, sortings

Fibonacci Additions

brute force, data structures, hashing, implementation, math

Kill the Monster

brute force, math

Div. 7

brute force

Strange Test

binary search, bitmasks, brute force, dp, math

Download More RAM

brute force, greedy, sortings

Not Adding

brute force, dp, math, number theory

Martial Arts Tournament

binary search, brute force, greedy, math

Cats on the Upgrade (easy version)

brute force, data structures, dfs and similar, divide and conquer, dp, graphs, trees

Elementary Particles

brute force, greedy, sortings

Masha-forgetful

brute force, constructive algorithms, dp, hashing, implementation, strings

Game on Ranges

brute force, dfs and similar, implementation, sortings

Robot Cleaner

brute force, implementation, math

Math Test

bitmasks, brute force, greedy

Set or Decrease

binary search, brute force, greedy, sortings

Exact Change

brute force, constructive algorithms, greedy

BA-String

brute force, dp, greedy, implementation, math

Permutation and Queries

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

Let's Play the Hat?

brute force, constructive algorithms, greedy, math

GCD Problem

brute force, constructive algorithms, math, number theory

Tricolor Triangles

brute force, graphs, math, matrices

Lexicographically Small Enough

brute force, data structures, greedy, strings

Representative Edges

brute force, geometry, implementation, math

Menorah

brute force, graphs, greedy, math

Divan and a Store

brute force, constructive algorithms, greedy

Armor and Weapons

brute force, dp, greedy, shortest paths

Messages

brute force, dp, greedy, probabilities, sortings

Distance

brute force, constructive algorithms

AmShZ and G.O.A.T.

binary search, brute force, greedy, implementation, math

Robot on the Board 2

brute force, dfs and similar, graphs, implementation

Minimum Extraction

brute force, sortings

Tree Queries

brute force, dp, trees

Red-Blue Matrix

brute force, constructive algorithms, implementation, sortings

Dominant Character

brute force, greedy, implementation, strings

Party Organization

brute force, math, probabilities

Bob's Beautiful Array

bitmasks, brute force, greedy

Shortest path

brute force, geometry, math, shortest paths