Elementary Particles

brute force, greedy, sortings

Jellyfish and Game

brute force, games, greedy, implementation

Array Walk

brute force, dp, greedy

Powers Of Two

bitmasks, greedy

Stones

brute force, greedy, math

Schedule Management

binary search, greedy, implementation, two pointers

Air Conditioner

dp, greedy, implementation, sortings, two pointers

Two 0-1 Sequences

constructive algorithms, greedy

Simple Game

constructive algorithms, games, greedy, implementation, math

Tenzing and Books

bitmasks, greedy, math

K-Complete Word

dfs and similar, dsu, greedy, implementation, strings

Directional Increase

greedy

Chocolates

greedy, implementation

Equal Rectangles

greedy, math

Dominated Subarray

greedy, implementation, sortings, strings, two pointers

Maximum width

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

Likes

greedy, implementation

Non-zero Segments

constructive algorithms, data structures, greedy, sortings

Saving the City

dp, greedy, math, sortings

Equalize the Array

binary search, data structures, greedy, math, sortings

Journey Planning

data structures, dp, greedy, math, sortings

MEX Game 1

games, greedy

Productive Meeting

constructive algorithms, graphs, greedy

Equalize

binary search, greedy, sortings, two pointers

Begginer's Zelda

greedy, trees

Absolute Maximization

bitmasks, constructive algorithms, greedy, math

Numbers Box

greedy, math

Permutation Partitions

combinatorics, greedy, math

Digital Logarithm

data structures, greedy, sortings

And It's Non-Zero

bitmasks, greedy, math

Prof. Slim

greedy, implementation, sortings

Meximum Array

binary search, constructive algorithms, greedy, implementation, math, two pointers

Find Amir

constructive algorithms, greedy, math

String Equality

dp, greedy, hashing, implementation, strings

Appleman and Toastman

greedy, sortings

Fast Food Restaurant

brute force, greedy, implementation

A BIT of a Construction

bitmasks, constructive algorithms, greedy, implementation

Sum of Substrings

brute force, constructive algorithms, greedy, math, strings

Good Numbers (easy version)

brute force, greedy, implementation

Wonderful Coloring - 2

binary search, constructive algorithms, data structures, greedy

Elimination

greedy, math

Make it Alternating

combinatorics, dp, greedy

Maximum Sum on Even Positions

divide and conquer, dp, greedy, implementation

Running for Gold

combinatorics, graphs, greedy, sortings

Multiples of Length

constructive algorithms, greedy, number theory

Neko Finds Grapes

greedy, implementation, math

The Delivery Dilemma

binary search, greedy, sortings

Helmets in Night Light

greedy, sortings

Knapsack

constructive algorithms, greedy, sortings

Killjoy

greedy, implementation, math

Balls of Steel

brute force, geometry, greedy

Particles

dp, greedy, implementation, math

Prefix Sum Addicts

constructive algorithms, greedy, math, sortings

Kalindrome Array

greedy, two pointers

Array Eversion

greedy

Sage's Birthday (hard version)

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

Swap and Reverse

constructive algorithms, greedy, sortings, strings

Card Exchange

constructive algorithms, games, greedy

Beautiful String

constructive algorithms, greedy

Prefix Sum Primes

constructive algorithms, greedy, math, number theory

Grid Reconstruction

constructive algorithms, greedy

Cow and Haybales

greedy, implementation

Another One Bites The Dust

greedy

Diverse Garland

constructive algorithms, dp, greedy

Suits

brute force, greedy, math

Death Note

greedy, implementation, math

Make Them Odd

greedy, number theory

MEX and Array

brute force, dp, greedy, math

Split Sort

greedy, math, sortings

Paprika and Permutation

binary search, greedy, math, sortings

Li Hua and Pattern

constructive algorithms, greedy

Maximum Strength

greedy, math

Price Maximization

binary search, greedy, math, two pointers

Birthday

binary search, greedy, sortings

Trust Nobody

brute force, greedy, implementation, sortings

Monsters (easy version)

brute force, greedy

Lamps

greedy, sortings

Grandma Capa Knits a Scarf

brute force, data structures, greedy, strings, two pointers

Virus

greedy, implementation, sortings

Shifts and Sorting

constructive algorithms, greedy

Qpwoeirut And The City

dp, flows, greedy, implementation

Toy Blocks

binary search, greedy, math, sortings

Long Number

greedy

Hungry Student Problem

greedy, implementation

Make it Increasing

brute force, greedy, math

Product 1 Modulo N

greedy, number theory

Two Arrays

greedy, math, sortings

Make Nonzero Sum (easy version)

constructive algorithms, dp, greedy

Sets and Union

bitmasks, brute force, constructive algorithms, greedy

A Perfectly Balanced String?

brute force, greedy, strings

Madoka and Formal Statement

greedy

Lunar New Year and Number Division

greedy, implementation, math, sortings

Pursuit

binary search, brute force, greedy, sortings

Universal Solution

greedy

Phoenix and Distribution

constructive algorithms, greedy, sortings, strings

LuoTianyi and the Table

greedy, math

Nice Matrix

greedy, implementation, math

Swaps

greedy, math, sortings

LIS or Reverse LIS?

constructive algorithms, greedy, implementation, math

Chip and Ribbon

greedy, math