Remainder Problem

brute force, data structures, implementation

Black Cells

binary search, brute force, greedy, math

Half of Same

brute force, math, number theory

Weights Distributing

brute force, graphs, greedy, shortest paths, sortings

Pair of Numbers

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

Hometask

brute force, constructive algorithms, greedy, math

Bear and Compressing

brute force, dfs and similar, dp, strings

Pavel and Triangles

brute force, dp, fft, greedy, ternary search

Two Small Strings

brute force, constructive algorithms

505

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

Luba And The Ticket

brute force, greedy, implementation

Asterism (Easy Version)

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

Very Suspicious

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

The Robot

brute force, implementation

Complete Tripartite

brute force, constructive algorithms, graphs, hashing, implementation

Chip Move

brute force, dp, math

Primes or Palindromes?

brute force, implementation, math, number theory

Sagheer, the Hausmeister

bitmasks, brute force, dp

You're Given a String...

brute force, greedy

Unusual Matrix

2-sat, brute force, constructive algorithms

Maximum And Queries (easy version)

binary search, bitmasks, brute force, greedy

Anadi and Domino

brute force, graphs

"Or" Game

brute force, greedy

Array Repetition

binary search, brute force, dsu, implementation, math

Necklace Assembly

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

Ksusha the Squirrel

brute force, implementation

Tournament

bitmasks, brute force, dfs and similar, greedy

Little Xor

brute force, implementation

Fox And Jumping

bitmasks, brute force, dp, math

Need for Pink Slips

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

XOR-gun

bitmasks, brute force, constructive algorithms

Mike and Cellphone

brute force, constructive algorithms, implementation

Running Student

brute force, geometry, implementation

Finding Team Member

brute force, implementation, sortings

Chessboard

bitmasks, brute force, implementation

Berserk Monsters

brute force, data structures, dsu, implementation, math

Many Perfect Squares

brute force, math, number theory

King's Task

brute force, graphs, implementation

Painting the Fence

brute force

Divisible Numbers (hard version)

brute force, math, number theory

Omkar and Circle

brute force, dp, games, greedy

Meta-set

brute force, combinatorics, data structures, hashing, math

Cyclic Operations

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

Permutation Game

brute force, dp, games

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

Vasya and Robot

brute force, greedy, math

Choosing flowers

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

Stars Drawing (Easy Edition)

brute force, dp, greedy

Medium Design

brute force, data structures, dp, greedy, sortings

Point on Spiral

brute force, geometry, implementation

Coffee and Coursework (Easy version)

brute force, greedy

Array Stabilization (GCD version)

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

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

Masha and Bears

brute force, implementation

Karen and Game

brute force, greedy, implementation

Was it Rated?

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

Beautiful Sequence

brute force, constructive algorithms, greedy

Gardening Friends

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

Okabe and Banana Trees

brute force, math

Compressed Bracket Sequence

brute force, implementation

Marcin and Training Camp

brute force, greedy

Barnicle

brute force, implementation, math, strings

2Char

brute force, implementation

Searching for Graph

brute force, constructive algorithms, graphs

Triangle

brute force, geometry

Magic Will Save the World

binary search, bitmasks, brute force, dp

Set To Max (Easy Version)

brute force, constructive algorithms, greedy

Xor-Subsequence (easy version)

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

Molly's Chemicals

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

Tourist's Notes

binary search, brute force, greedy, implementation, math

Double Matrix

brute force, greedy

Secret Combination

brute force, constructive algorithms, implementation

Not So Simple Polygon Embedding

binary search, brute force, geometry, math

Dasha and Password

brute force, dp, implementation

Heidi Learns Hashing (Easy)

brute force, math, number theory

Phone Code

*special problem, brute force, implementation

Bouncy Ball

brute force, dfs and similar, implementation

Nearest Beautiful Number (easy version)

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

Little Elephant and Sorting

brute force, greedy

Choosing Laptop

brute force, implementation

Education

brute force, dp, greedy, implementation

Lorenzo Von Matterhorn

brute force, data structures, implementation, trees

Aroma's Search

brute force, constructive algorithms, geometry, greedy, implementation

Creative Snap

binary search, brute force, divide and conquer, math

Coach

brute force, dfs and similar, graphs

Robot Sequence

brute force, implementation

Walking in the Rain

brute force, implementation

Photo of The Sky

brute force, implementation, math, sortings

Relatively Prime Graph

brute force, constructive algorithms, graphs, greedy, math

Ice Sculptures

*special problem, brute force, number theory

Breaking the Wall

binary search, brute force, constructive algorithms, greedy, math

Average Superhero Gang Power

brute force, implementation, math

Integral Array

brute force, constructive algorithms, data structures, math

Compatible Numbers

bitmasks, brute force, dfs and similar, dp

Heads or Tails

brute force, implementation

SUM and REPLACE

brute force, data structures, dsu, number theory

Fire Again

brute force, dfs and similar, shortest paths