Easy Tape Programming

brute force, implementation

EKG

brute force, dfs and similar

Summer Homework

brute force, data structures

Jury Size

brute force, implementation

Party

brute force, dfs and similar, dsu, graphs

Solution for Cube

brute force, implementation

New Problem

brute force, strings

Shifts

brute force, two pointers

PFAST Inc.

bitmasks, brute force, graphs

BerOS File Suggestion

brute force, implementation

Jeopardy of Dropped Balls

binary search, brute force, dsu, implementation

Dima and Text Messages

brute force, strings

Which floor?

brute force, implementation

Sereja and Swaps

brute force, sortings

Two Seals

brute force, implementation

Kolya and Tandem Repeat

brute force, implementation, strings

Batch Sort

brute force, greedy, implementation, math

Xenia and Spies

brute force, greedy, implementation

Bargaining Table

brute force, dp

Curriculum Vitae

brute force, implementation

Palindrome pairs

*special problem, brute force, dp, strings

Qualification Rounds

bitmasks, brute force, constructive algorithms, dp

Almost Arithmetical Progression

brute force, dp

Vasya and Robot

brute force, greedy, math

Searching for Graph

brute force, constructive algorithms, graphs

Triangle

brute force, geometry

Secret Combination

brute force, constructive algorithms, implementation

Dasha and Password

brute force, dp, implementation

Lorenzo Von Matterhorn

brute force, data structures, implementation, trees

Coach

brute force, dfs and similar, graphs

Photo of The Sky

brute force, implementation, math, sortings

Fire Again

brute force, dfs and similar, shortest paths

New Year and Curling

brute force, geometry, implementation, math

Link/Cut Tree

brute force, implementation

Kayaking

brute force, greedy, sortings

Removing Columns

brute force, constructive algorithms, implementation

Bear and Three Musketeers

brute force, dfs and similar, graphs, hashing

Convert to Ones

brute force, greedy, implementation, math

Balance (Easy version)

brute force, data structures, implementation, number theory

Almost Arithmetic Progression

brute force, implementation, math

Marvolo Gaunt's Ring

brute force, data structures, dp

A + B Strikes Back

*special problem, brute force, constructive algorithms, dsu, implementation

Modulo Equality

brute force, sortings

Arpa’s obvious problem and Mehrdad’s terrible solution

brute force, math, number theory

Vasya and Multisets

brute force, dp, greedy, implementation, math

Hyperset

brute force, data structures, implementation

Pride

brute force, dp, greedy, math, number theory

Line Empire

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

Orray

bitmasks, brute force, greedy, math, sortings

The Humanoid

brute force, dp, sortings

Nikita and string

brute force, dp

Skyscrapers (easy version)

brute force, data structures, dp, greedy

Uniqueness

binary search, brute force, implementation, two pointers

Divisible Numbers (easy version)

brute force, math, number theory

Fault-tolerant Network

brute force, data structures, implementation

The Walkway

brute force, dp, greedy, math, number theory

Equalizing by Division (easy version)

brute force, implementation

Nearly Shortest Repeating Substring

brute force, implementation, number theory, strings

Card Game

brute force, greedy

Powers of Two

brute force, data structures, implementation, math

Range Update Point Query

binary search, brute force, data structures

Pull Your Luck

brute force, greedy, math, number theory

Cow and Message

brute force, dp, math, strings

Acacius and String

brute force, implementation, strings

Palindrome Basis

brute force, dp, math, number theory

Anu Has a Function

brute force, greedy, math

Vladik and fractions

brute force, constructive algorithms, math, number theory

Representative Edges

brute force, geometry, implementation, math

Unforgivable Curse (hard version)

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

Little Dima and Equation

brute force, implementation, math, number theory

Minimum Grid Path

brute force, data structures, greedy, math

Dubious Cyrpto

binary search, brute force, math, number theory

Division

brute force, math, number theory

Factorials and Powers of Two

bitmasks, brute force, constructive algorithms, dp, math

Min Max Sort

binary search, brute force, greedy, math, two pointers

Nastya and Strange Generator

brute force, data structures, greedy, implementation

Minimum Ties

brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math

Power Sequence

brute force, math, number theory, sortings

Sage's Birthday (hard version)

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

Remove One Element

brute force, dp

Binary String Reconstruction

2-sat, brute force, constructive algorithms, greedy

Pythagorean Triples

binary search, brute force, math, number theory

AGAGA XOOORRR

bitmasks, brute force, dp, greedy

a-Good String

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

Good String

brute force, dp, greedy, two pointers

Codeforces Subsequences

brute force, constructive algorithms, greedy, math, strings

Special Elements

brute force, implementation, two pointers

Potions (Easy Version)

brute force, data structures, dp, greedy

Divisibility by Eight

brute force, dp, math

Two Substrings

brute force, dp, greedy, implementation, strings

Копирование файлов II

*special problem, binary search, brute force, math

Binary Blocks

brute force

Oh Sweet Beaverette

brute force, implementation

Heroes

brute force, implementation

DDoS

*special problem, brute force

Three Sons

brute force

Blinds

brute force

Fly, freebies, fly!

binary search, brute force, implementation

Robot Bicorn Attack

brute force, implementation

Promocodes with Mistakes

*special problem, brute force, constructive algorithms, implementation