New Year and Domino

dp, implementation

Marvolo Gaunt's Ring

brute force, data structures, dp

Kyoya and Colored Balls

combinatorics, dp, math

Discrete Acceleration

binary search, dp, implementation, math, two pointers

Card Game

combinatorics, constructive algorithms, dp, games

Vasya and Multisets

brute force, dp, greedy, implementation, math

Playoff

combinatorics, constructive algorithms, dp, greedy, math

Nastya and Potions

dfs and similar, dp, graphs, sortings

Gas Pipeline

dp, greedy

Pride

brute force, dp, greedy, math, number theory

Good Sequences

dp, number theory

Line Empire

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

Make Nonzero Sum (hard version)

constructive algorithms, dp, greedy

Polycarp and Div 3

dp, greedy, number theory

Divan and bitwise operations

bitmasks, combinatorics, constructive algorithms, dp, math

Nikita and string

brute force, dp

The Humanoid

brute force, dp, sortings

Skyscrapers (easy version)

brute force, data structures, dp, greedy

Ayoub and Lost Array

combinatorics, dp, math

Vlad and an Odd Ordering

binary search, bitmasks, data structures, dp, implementation, math, number theory

Even Number Addicts

dp, games, greedy, math

The Walkway

brute force, dp, greedy, math, number theory

Cut 'em all!

dfs and similar, dp, graphs, greedy, trees

Random Events

dp, math, probabilities

Cow and Message

brute force, dp, math, strings

Living Sequence

binary search, dp, math, number theory

Tenzing and Balls

dp

Palindrome Basis

brute force, dp, math, number theory

Block Sequence

dp

Data Structures Fan

binary search, bitmasks, data structures, dp

Pipes

dp, implementation

Did We Get Everything Covered?

constructive algorithms, dp, greedy, shortest paths, strings

Factorials and Powers of Two

bitmasks, brute force, constructive algorithms, dp, math

Backspace

dp, greedy, strings, two pointers

Diluc and Kaeya

data structures, dp, hashing, number theory

Sweets Eating

dp, greedy, math, sortings

Air Conditioners

data structures, dp, implementation, shortest paths, sortings, two pointers

Cyclic Permutations

combinatorics, dp, graphs, math

Maximum width

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

Air Conditioner

dp, greedy, implementation, sortings, two pointers

Remove One Element

brute force, dp

Journey

dfs and similar, dp, graphs, probabilities, trees

AGAGA XOOORRR

bitmasks, brute force, dp, greedy

Vasya and String

binary search, dp, strings, two pointers

Mortal Kombat Tower

dp, graphs, greedy, shortest paths

a-Good String

bitmasks, brute force, divide and conquer, dp, implementation

Good String

brute force, dp, greedy, two pointers

Interesting Function

binary search, dp, math, number theory

Tetrahedron

dp, math, matrices

Potions (Easy Version)

brute force, data structures, dp, greedy

Woodcutters

dp, greedy

Divisibility by Eight

brute force, dp, math

Two Substrings

brute force, dp, greedy, implementation, strings

Boredom

dp

File List

dp, greedy, implementation

Chat

*special problem, dp

Spiders

dp, greedy, trees

Anfisa the Monkey

dp

Letter

dp

Permutation

constructive algorithms, dp, math

Mike and Fun

brute force, dp, greedy, implementation

Our Tanya is Crying Out Loud

dp, greedy

Complex Market Analysis

binary search, dp, implementation, number theory, schedules, two pointers

Covered Path

dp, greedy, math

Torn Lucky Ticket

brute force, dp, hashing, implementation, math

Odd sum

dp, greedy, implementation

Physics Practical

binary search, dp, sortings, two pointers

Candies!

data structures, dp, implementation, math

Approximating a Constant Range

dp, implementation, two pointers

New Year and Ascent Sequence

binary search, combinatorics, data structures, dp, implementation, sortings

Bouncing Ball

brute force, dp, implementation

K for the Price of One (Easy Version)

dp, greedy, sortings

As Simple as One and Two

dp, greedy

The Number of Products

combinatorics, dp, implementation

Mr. Kitayuta's Colorful Graph

dfs and similar, dp, dsu, graphs

Vampiric Powers, anyone?

bitmasks, brute force, dp, greedy

Find the Spruce

brute force, dp, implementation

Game on Permutation

data structures, dp, games, greedy

Copil Copac Draws Trees

dfs and similar, dp, graphs, trees

Hossam and Friends

binary search, constructive algorithms, dp, two pointers

Three displays

brute force, dp, implementation

Strong Password

binary search, dp, greedy, strings

Increase Subarray Sums

brute force, dp, greedy, implementation

Qpwoeirut And The City

dp, flows, greedy, implementation

Diverse Garland

constructive algorithms, dp, greedy

String Equality

dp, greedy, hashing, implementation, strings

Journey Planning

data structures, dp, greedy, math, sortings

2^Sort

data structures, dp, sortings, two pointers

Unstable String

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

Polo the Penguin and Matrix

brute force, dp, implementation, sortings, ternary search

Constanze's Machine

dp

Grouping Increases

data structures, dp, greedy

Quasi Binary

constructive algorithms, dp, greedy, implementation

Create The Teams

brute force, dp, greedy, implementation, sortings

Orac and Models

dp, math, number theory

Mashmokh and ACM

combinatorics, dp, number theory

Basketball Exercise

dp

Vacations

dp

I Hate 1111

dp, math, number theory

Given Length and Sum of Digits...

dp, greedy, implementation