Politics

greedy, implementation

Wooden Toy Festival

binary search, greedy, sortings

Ehab and Prefix MEXs

brute force, constructive algorithms, greedy

Number Factorization

greedy, math, number theory

Flipper

brute force, constructive algorithms, greedy

Longest Regular Bracket Sequence

constructive algorithms, data structures, dp, greedy, sortings, strings

Eating Soup

greedy, math

Collecting Game

binary search, dp, greedy, sortings, two pointers

Discounts

greedy, sortings

Game with Reversing

games, greedy, math, strings

Painting Eggs

greedy, math

Obtain The String

dp, greedy, strings

Good String

greedy

Carousel

constructive algorithms, dp, graphs, greedy, math

Cobb

bitmasks, brute force, greedy, math

Drinks Choosing

greedy, math

Minimum Triangulation

dp, greedy, math

Histogram Ugliness

greedy, implementation, math

Madoka and Childish Pranks

constructive algorithms, greedy

Scoring Subsequences

binary search, greedy, math, two pointers

XOR-distance

bitmasks, greedy, implementation, math

Minimum Grid Path

brute force, data structures, greedy, math

Game on Permutation

data structures, dp, games, greedy

Increasing Subsequence (easy version)

greedy

Permutation Operations

constructive algorithms, greedy, implementation, math

Counting Kangaroos is Fun

binary search, greedy, sortings, two pointers

Getting an A

greedy, sortings

Minimal Height Tree

graphs, greedy, shortest paths, trees

Set or Decrease

binary search, brute force, greedy, sortings

Astrophysicists

greedy, math

Erase and Extend (Easy Version)

binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers

Good Numbers (hard version)

binary search, greedy, math, meet-in-the-middle

Unusual Competitions

greedy

Constant Palindrome Sum

brute force, data structures, greedy, two pointers

Array Destruction

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

Vampiric Powers, anyone?

bitmasks, brute force, dp, greedy

Did We Get Everything Covered?

constructive algorithms, dp, greedy, shortest paths, strings

Xenia and Divisors

greedy, implementation

Insert and Equalize

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

Unforgivable Curse (easy version)

brute force, constructive algorithms, dsu, graphs, greedy, strings

As Simple as One and Two

dp, greedy

Constructive Problem

brute force, greedy

Column Swapping

brute force, constructive algorithms, greedy, implementation, sortings

Repainting Street

brute force, brute force, greedy

DZY Loves Chemistry

dfs and similar, dsu, greedy

Sequence and Swaps

dp, greedy, sortings

Unforgivable Curse (hard version)

brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings

Paint the Numbers

greedy, implementation, math

Stages

greedy, implementation, sortings

George and Round

brute force, greedy, two pointers

Qingshan Loves Strings 2

constructive algorithms, greedy, implementation

Digits Sequence Dividing

greedy, strings

Jatayu's Balanced Bracket Sequence

data structures, dsu, graphs, greedy

Sum on Subarrays

constructive algorithms, greedy, math

Complete the Word

greedy, two pointers

Perfect Keyboard

dfs and similar, greedy, implementation

Coins

greedy

Meeting on the Line

binary search, geometry, greedy, implementation, math, ternary search

Least Prefix Sum

data structures, greedy

Anu Has a Function

brute force, greedy, math

Nice Garland

brute force, greedy, math

The Sports Festival

dp, greedy

Ksenia and Pan Scales

greedy, implementation

Binary String Minimizing

greedy

Friends Meeting

brute force, greedy, implementation, math

Game with Telephone Numbers

games, greedy, implementation

Minimize The Integer

greedy, two pointers

Dishonest Sellers

constructive algorithms, greedy, sortings

Strongly Composite

greedy, math, number theory

Gardener and Tree

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

Knights

constructive algorithms, greedy

Row Major

constructive algorithms, greedy, math, number theory, strings

Haunted House

binary search, greedy, math, two pointers

ABBC or BACB

constructive algorithms, greedy

Basketball Together

binary search, greedy, sortings

Ice and Fire

constructive algorithms, dp, greedy

Ehab the Xorcist

bitmasks, constructive algorithms, greedy, number theory

Coloring

constructive algorithms, greedy, math

Seraphim the Owl

dp, greedy

Minimize Distance

greedy

Palindrome Transformation

brute force, greedy, implementation

Stock Arbitraging

greedy, implementation

Pull Your Luck

brute force, greedy, math, number theory

Football Kit

brute force, greedy, implementation

Build the Permutation

constructive algorithms, greedy

Equidistant String

greedy

Tanya and Toys

greedy, implementation

Beautiful Paintings

greedy, sortings

The Way to Home

dfs and similar, dp, greedy, implementation

Recent Actions

data structures, greedy, implementation, math

Fox and Box Accumulation

greedy, sortings

MEX maximizing

data structures, greedy, implementation, math

Fishingprince Plays With Array

constructive algorithms, greedy, implementation, math

Summarize to the Power of Two

brute force, greedy, implementation

Fence Painting

brute force, constructive algorithms, greedy

Dinner with Emma

games, greedy

PriceFixed

binary search, greedy, implementation, sortings, two pointers

Yellow Cards

greedy, implementation, math

Kuroni and Simple Strings

constructive algorithms, greedy, strings, two pointers

Turn the Rectangles

greedy, sortings