Aroma's Search

brute force, constructive algorithms, geometry, greedy, implementation

Lorenzo Von Matterhorn

brute force, data structures, implementation, trees

Little Elephant and Sorting

brute force, greedy

Choosing Laptop

brute force, implementation

Education

brute force, dp, greedy, implementation

Nearest Beautiful Number (easy version)

binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy

Phone Code

*special problem, brute force, implementation

Dasha and Password

brute force, dp, implementation

Bouncy Ball

brute force, dfs and similar, implementation

Heidi Learns Hashing (Easy)

brute force, math, number theory

Not So Simple Polygon Embedding

binary search, brute force, geometry, math

Secret Combination

brute force, constructive algorithms, implementation

Tourist's Notes

binary search, brute force, greedy, implementation, math

Molly's Chemicals

binary search, brute force, data structures, implementation, math

Double Matrix

brute force, greedy

Xor-Subsequence (easy version)

bitmasks, brute force, dp, strings, trees, two pointers

Triangle

brute force, geometry

Searching for Graph

brute force, constructive algorithms, graphs

2Char

brute force, implementation

Marcin and Training Camp

brute force, greedy

Barnicle

brute force, implementation, math, strings

Compressed Bracket Sequence

brute force, implementation

Okabe and Banana Trees

brute force, math

Magic Will Save the World

binary search, bitmasks, brute force, dp

Beautiful Sequence

brute force, constructive algorithms, greedy

Karen and Game

brute force, greedy, implementation

Set To Max (Easy Version)

brute force, constructive algorithms, greedy

Was it Rated?

*special problem, *special problem, *special problem, brute force, implementation

Masha and Bears

brute force, implementation

Cubes for Masha

brute force, implementation

Perform Easily

binary search, brute force, dp, implementation, sortings, two pointers

Difference Array

brute force, data structures, implementation, sortings

Gardening Friends

brute force, dfs and similar, dp, graphs, trees

Point on Spiral

brute force, geometry, implementation

Array Stabilization (GCD version)

binary search, brute force, data structures, divide and conquer, number theory, two pointers

Stars Drawing (Easy Edition)

brute force, dp, greedy

Choosing flowers

binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers

Vasya and Robot

brute force, greedy, math

Vanya and Scales

brute force, dp, greedy, math, meet-in-the-middle, number theory

Up the Strip (simplified version)

brute force, data structures, dp, math, number theory

Medium Design

brute force, data structures, dp, greedy, sortings

Permutation Game

brute force, dp, games

Coffee and Coursework (Easy version)

brute force, greedy

Omkar and Circle

brute force, dp, games, greedy

Cyclic Operations

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

King's Task

brute force, graphs, implementation

Meta-set

brute force, combinatorics, data structures, hashing, math

Divisible Numbers (hard version)

brute force, math, number theory

Chessboard

bitmasks, brute force, implementation

Many Perfect Squares

brute force, math, number theory

Mike and Cellphone

brute force, constructive algorithms, implementation

Need for Pink Slips

bitmasks, brute force, dfs and similar, implementation, math, probabilities

Finding Team Member

brute force, implementation, sortings

Running Student

brute force, geometry, implementation

Fox And Jumping

bitmasks, brute force, dp, math

Painting the Fence

brute force

XOR-gun

bitmasks, brute force, constructive algorithms

Little Xor

brute force, implementation

Tournament

bitmasks, brute force, dfs and similar, greedy

Necklace Assembly

brute force, dfs and similar, dp, graphs, greedy, number theory

Anadi and Domino

brute force, graphs

Ksusha the Squirrel

brute force, implementation

"Or" Game

brute force, greedy

Berserk Monsters

brute force, data structures, dsu, implementation, math

Sagheer, the Hausmeister

bitmasks, brute force, dp

Unusual Matrix

2-sat, brute force, constructive algorithms

You're Given a String...

brute force, greedy

Array Repetition

binary search, brute force, dsu, implementation, math

Primes or Palindromes?

brute force, implementation, math, number theory

Maximum And Queries (easy version)

binary search, bitmasks, brute force, greedy

Chip Move

brute force, dp, math

Complete Tripartite

brute force, constructive algorithms, graphs, hashing, implementation

The Robot

brute force, implementation

Asterism (Easy Version)

binary search, brute force, combinatorics, math, number theory, sortings

Very Suspicious

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

Luba And The Ticket

brute force, greedy, implementation

505

bitmasks, brute force, constructive algorithms, dp, greedy, implementation

Two Small Strings

brute force, constructive algorithms

Hometask

brute force, constructive algorithms, greedy, math

Bear and Compressing

brute force, dfs and similar, dp, strings

Pair of Numbers

binary search, brute force, data structures, math, two pointers

Weights Distributing

brute force, graphs, greedy, shortest paths, sortings

Half of Same

brute force, math, number theory

Pavel and Triangles

brute force, dp, fft, greedy, ternary search

Triangle

brute force, geometry, implementation, math

GCD of an Array

brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers

King of Thieves

brute force, implementation

Black Cells

binary search, brute force, greedy, math

For Gamers. By Gamers.

binary search, brute force, greedy, math, sortings

Remainder Problem

brute force, data structures, implementation

Dress'em in Vests!

binary search, brute force, greedy, two pointers

Xor-Paths

bitmasks, brute force, dp, meet-in-the-middle

Almost Arithmetical Progression

brute force, dp

Strange Addition

brute force, constructive algorithms, implementation

Up the Strip

brute force, dp, math, number theory, two pointers

Wonder Room

brute force, math

The BOSS Can Count Pairs

brute force, math

Array Stabilization (AND version)

brute force, graphs, math, number theory, shortest paths

Perfect Pair

brute force

Qualification Rounds

bitmasks, brute force, constructive algorithms, dp