Remainder Problem

brute force, data structures, implementation

There Are Two Types Of Burgers

brute force, greedy, implementation, math

Shortest Cycle

bitmasks, brute force, graphs, shortest paths

Kirk and a Binary String (easy version)

brute force, greedy, strings

You Are Given Some Strings...

brute force, string suffix structures, strings

You Are Given a WASD-string...

brute force, data structures, dp, greedy, implementation, math, strings

You Are Given a Decimal String...

brute force, dp, shortest paths

Graph Traveler

brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory

Compress Words

brute force, hashing, implementation, string suffix structures, strings

White Lines

brute force, data structures, dp, implementation, two pointers

Hotelier

brute force, data structures, implementation

Welfare State

binary search, brute force, data structures, sortings

K-th Path

brute force, constructive algorithms, shortest paths, sortings

Three Piles of Candies

brute force, constructive algorithms, math

Sport Mafia

binary search, brute force, math

Count The Rectangles

bitmasks, brute force, data structures, geometry, sortings

Cubeword

*special problem, brute force, dp, meet-in-the-middle

Tokitsukaze and Mahjong

brute force, implementation

Tokitsukaze and Enhancement

brute force

Tokitsukaze and Duel

brute force, games, greedy

Two Pizzas

bitmasks, brute force

Polycarp and Snakes

brute force, implementation

Exam in BerSU (hard version)

brute force, data structures, greedy, math

Heidi Learns Hashing (Medium)

brute force, number theory

Heidi Learns Hashing (Easy)

brute force, math, number theory

Topforces Strikes Back

brute force, math, sortings

A Story of One Country (Hard)

brute force, greedy, sortings

A Story of One Country (Easy)

brute force, divide and conquer, sortings

Flag

brute force, combinatorics, dp, implementation

Archaeology

brute force, constructive algorithms, greedy, strings

Divide it!

brute force, greedy, implementation

The Number of Subpermutations

brute force, data structures, divide and conquer, hashing, math

Electrification

binary search, brute force, greedy

Good Triple

brute force, two pointers

Low Budget Inception

brute force, geometry

Lost Numbers

brute force, divide and conquer, interactive, math

Telephone Number

brute force, greedy, strings

The LCMs Must be Large

bitmasks, brute force, constructive algorithms, math, number theory

Cute Sequences

binary search, brute force, greedy, math

Magical Permutation

bitmasks, brute force, constructive algorithms, data structures, graphs, math

Power Transmission (Easy Edition)

brute force, geometry

Double Matrix

brute force, greedy

Inverse of Rows and Columns

brute force, constructive algorithms

Delivery Oligopoly

brute force, dp, graphs

Guess the Root

brute force, interactive, math

Beautiful Array

brute force, data structures, divide and conquer, dp, greedy

Minimum Possible LCM

brute force, greedy, math, number theory

Serval and Snake

binary search, brute force, interactive

Serval and Bus

brute force, math

Neko does Maths

brute force, math, number theory

Dima and a Bad XOR

bitmasks, brute force, constructive algorithms, dp

Maxim and Biology

brute force, strings

Abandoning Roads

brute force, dp, graphs, greedy

Born This Way

binary search, brute force, two pointers

Chladni Figure

brute force, strings

Mystery Circuit

bitmasks, brute force

Kanban Numbers

brute force

Nirvana

brute force, math, number theory

The Beatles

brute force, math

Playlist

brute force, data structures, sortings

Circus

brute force, greedy, math, strings

Painting the Fence

brute force

Connect

brute force, dfs and similar, dsu

Toy Train

brute force, greedy

Toy Train (Simplified)

brute force, greedy

Mike and Children

brute force, implementation

The very same Munchhausen

brute force

Pavel and Triangles

brute force, dp, fft, greedy, ternary search

Coffee and Coursework (Easy version)

brute force, greedy

Trailing Loves (or L'oeufs?)

brute force, implementation, math, number theory

Got Any Grapes?

brute force, greedy, implementation

Creative Snap

binary search, brute force, divide and conquer, math

Average Superhero Gang Power

brute force, implementation, math

Sasha and Interesting Fact from Graph Theory

brute force, combinatorics, dp, math, trees

Array and Segments (Easy version)

brute force, greedy, implementation

Nice Garland

brute force, greedy, math

Divisors of Two Integers

brute force, greedy, math, number theory

Helping Hiasat

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

Zuhair and Strings

brute force, implementation, strings

Salem and Sticks

brute force, implementation

Elongated Matrix

binary search, bitmasks, brute force, dp, graphs

Nice table

brute force, constructive algorithms, greedy, math

Mateusz and an Infinite Sequence

bitmasks, brute force, dp, strings

Petr and a Combination Lock

bitmasks, brute force, dp

Gennady and a Card Game

brute force, implementation

Polygon for the Angle

brute force, geometry

New Year and the Treasure Geolocation

brute force, constructive algorithms, greedy, implementation

New Year and the Christmas Ornament

brute force, implementation, math

Ehab and another construction problem

brute force, constructive algorithms

The Fair Nut and Elevator

brute force, implementation

Berland Fair

binary search, brute force, data structures, greedy

BerOS File Suggestion

brute force, implementation

Monsters and Potions

brute force, dp, greedy, implementation

Make a triangle!

brute force, geometry, math

Candies for Children

brute force, math

Phone Numbers

brute force

DDoS

*special problem, brute force

Take Metro

brute force, data structures, graphs

Check Transcription

brute force, data structures, hashing, strings

Vasya and Multisets

brute force, dp, greedy, implementation, math