Weather

dp, implementation

Cards

constructive algorithms, dp, math

Shashlik Cooking

dp, greedy, math

Mike and strings

brute force, dp, strings

Art Union

brute force, dp, implementation

Maximum splitting

dp, greedy, math, number theory

Homecoming

binary search, dp, greedy, strings

Simple Strings

dp, greedy, strings

Game of Credit Cards

data structures, dp, greedy, sortings

New Skateboard

dp

Anji's Binary Tree

dfs and similar, dp, trees

Colorful Table

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

Ice and Fire

constructive algorithms, dp, greedy

Seraphim the Owl

dp, greedy

Little Alawn's Puzzle

combinatorics, dp, dsu, graphs, math

Binary Path

dp, greedy, implementation

Hamiltonian Wall

dp, implementation

Reverse String

brute force, dp, hashing, implementation, strings

Lose it!

dp, greedy, implementation

Move and Turn

dp, math

WOW Factor

dp, strings

White-Black Balanced Subtrees

dfs and similar, dp, graphs, trees

Make Nonzero Sum (easy version)

constructive algorithms, dp, greedy

Arrow Path

brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths

Particles

dp, greedy, implementation, math

Make it Alternating

combinatorics, dp, greedy

Saving the City

dp, greedy, math, sortings

Getting Zero

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

Pokémon Army (easy version)

constructive algorithms, dp, greedy

Canine poetry

dp, greedy, strings

Yet Another Problem About Pairs Satisfying an Inequality

binary search, data structures, dp, greedy, sortings

Find the Different Ones!

binary search, brute force, data structures, dp, dsu, greedy, two pointers

Array and Operations

dp, greedy, math

Equalize

dp, greedy, strings

Get an Even String

dp, greedy, strings

Coin Rows

brute force, constructive algorithms, dp, implementation

Just Eat It!

dp, greedy, implementation

Strange Birthday Party

binary search, dp, greedy, sortings, two pointers

Polygon

dp, graphs, implementation, shortest paths

Dreamoon and WiFi

bitmasks, brute force, combinatorics, dp, math, probabilities

Cut Ribbon

brute force, dp

Подкрутка I

*special problem, brute force, dp, greedy

Spotlights

dp, implementation

Minimum Triangulation

dp, greedy, math

Cutting

dp, greedy, sortings

Restricted RPS

constructive algorithms, dp, greedy

Block Adventure

dp, greedy

Vitamins

bitmasks, brute force, dp, implementation

Reposts

*special problem, dfs and similar, dp, graphs, trees

Another Permutation Problem

brute force, dp, greedy, math

Creating the Contest

dp, greedy, math

Rudolf and the Ball Game

dfs and similar, dp, implementation

Yet Another Coin Problem

brute force, dp, greedy, math

Replace and Keep Sorted

dp, implementation, math

Build Permutation

constructive algorithms, dp, math

Apple Tree

combinatorics, dfs and similar, dp, math, trees

Penalty

bitmasks, brute force, dp, greedy

Rudolf and the Another Competition

constructive algorithms, data structures, dp, greedy, sortings

Three Activities

brute force, dp, greedy, implementation, sortings

Lecture Sleep

data structures, dp, implementation, two pointers

Delete Two Elements

data structures, dp, implementation, math, two pointers

Maximum Product

brute force, dp, greedy, implementation, sortings

Vlad and a Sum of Sum of Digits

dp, implementation

Young Explorers

dp, greedy, sortings

Yet Another Broken Keyboard

combinatorics, dp, implementation

Even-Odd Game

dp, games, greedy, sortings

Petr and a Combination Lock

bitmasks, brute force, dp

Ternary String

binary search, dp, implementation, two pointers

Kuriyama Mirai's Stones

dp, implementation, sortings

Alternating Subsequence

dp, greedy, two pointers

Flipping Game

brute force, dp, implementation

BerSU Ball

dfs and similar, dp, graph matchings, greedy, sortings, two pointers