BerSU Ball

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

Flipping Game

brute force, dp, implementation

Alternating Subsequence

dp, greedy, two pointers

Kuriyama Mirai's Stones

dp, implementation, sortings

Ternary String

binary search, dp, implementation, two pointers

Petr and a Combination Lock

bitmasks, brute force, dp

Even-Odd Game

dp, games, greedy, sortings

Yet Another Broken Keyboard

combinatorics, dp, implementation

Young Explorers

dp, greedy, sortings

Vlad and a Sum of Sum of Digits

dp, implementation

Maximum Product

brute force, dp, greedy, implementation, sortings

Delete Two Elements

data structures, dp, implementation, math, two pointers

Lecture Sleep

data structures, dp, implementation, two pointers

Three Activities

brute force, dp, greedy, implementation, sortings

Rudolf and the Another Competition

constructive algorithms, data structures, dp, greedy, sortings

Penalty

bitmasks, brute force, dp, greedy

Apple Tree

combinatorics, dfs and similar, dp, math, trees

Build Permutation

constructive algorithms, dp, math

Replace and Keep Sorted

dp, implementation, math

Yet Another Coin Problem

brute force, dp, greedy, math

Rudolf and the Ball Game

dfs and similar, dp, implementation

Creating the Contest

dp, greedy, math

Another Permutation Problem

brute force, dp, greedy, math

Reposts

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

Vitamins

bitmasks, brute force, dp, implementation

Block Adventure

dp, greedy

Restricted RPS

constructive algorithms, dp, greedy

Cutting

dp, greedy, sortings

Minimum Triangulation

dp, greedy, math

Spotlights

dp, implementation

Подкрутка I

*special problem, brute force, dp, greedy

Cut Ribbon

brute force, dp

Dreamoon and WiFi

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

Polygon

dp, graphs, implementation, shortest paths

Strange Birthday Party

binary search, dp, greedy, sortings, two pointers

Just Eat It!

dp, greedy, implementation

Coin Rows

brute force, constructive algorithms, dp, implementation

Get an Even String

dp, greedy, strings

Equalize

dp, greedy, strings

Array and Operations

dp, greedy, math

Find the Different Ones!

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

Yet Another Problem About Pairs Satisfying an Inequality

binary search, data structures, dp, greedy, sortings

Canine poetry

dp, greedy, strings

Pokémon Army (easy version)

constructive algorithms, dp, greedy

Getting Zero

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

Saving the City

dp, greedy, math, sortings

Make it Alternating

combinatorics, dp, greedy

Particles

dp, greedy, implementation, math

Arrow Path

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

Make Nonzero Sum (easy version)

constructive algorithms, dp, greedy

White-Black Balanced Subtrees

dfs and similar, dp, graphs, trees

WOW Factor

dp, strings

Move and Turn

dp, math

Lose it!

dp, greedy, implementation

Reverse String

brute force, dp, hashing, implementation, strings

Hamiltonian Wall

dp, implementation

Binary Path

dp, greedy, implementation

Little Alawn's Puzzle

combinatorics, dp, dsu, graphs, math

Seraphim the Owl

dp, greedy

Ice and Fire

constructive algorithms, dp, greedy

Colorful Table

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

Anji's Binary Tree

dfs and similar, dp, trees

New Skateboard

dp

Game of Credit Cards

data structures, dp, greedy, sortings

Simple Strings

dp, greedy, strings

Homecoming

binary search, dp, greedy, strings

Maximum splitting

dp, greedy, math, number theory

Art Union

brute force, dp, implementation

Mike and strings

brute force, dp, strings

Shashlik Cooking

dp, greedy, math

Cards

constructive algorithms, dp, math

Weather

dp, implementation

Bear and Compressing

brute force, dfs and similar, dp, strings

Подкрутка II

*special problem, dp

Given Length and Sum of Digits...

dp, greedy, implementation

I Hate 1111

dp, math, number theory

Vacations

dp

Basketball Exercise

dp

Mashmokh and ACM

combinatorics, dp, number theory

Orac and Models

dp, math, number theory

Create The Teams

brute force, dp, greedy, implementation, sortings

Quasi Binary

constructive algorithms, dp, greedy, implementation

Grouping Increases

data structures, dp, greedy

Constanze's Machine

dp

Polo the Penguin and Matrix

brute force, dp, implementation, sortings, ternary search

Unstable String

binary search, dp, greedy, implementation, strings, two pointers

2^Sort

data structures, dp, sortings, two pointers

Journey Planning

data structures, dp, greedy, math, sortings

String Equality

dp, greedy, hashing, implementation, strings

Diverse Garland

constructive algorithms, dp, greedy

Qpwoeirut And The City

dp, flows, greedy, implementation

Increase Subarray Sums

brute force, dp, greedy, implementation

Strong Password

binary search, dp, greedy, strings

Three displays

brute force, dp, implementation

Hossam and Friends

binary search, constructive algorithms, dp, two pointers

Copil Copac Draws Trees

dfs and similar, dp, graphs, trees

Game on Permutation

data structures, dp, games, greedy

Find the Spruce

brute force, dp, implementation

Vampiric Powers, anyone?

bitmasks, brute force, dp, greedy

Mr. Kitayuta's Colorful Graph

dfs and similar, dp, dsu, graphs