ConneR and the A.R.C. Markland-N

binary search, brute force, implementation

Aroma's Search

brute force, constructive algorithms, geometry, greedy, implementation

Deadline

binary search, brute force, math, ternary search

Delete a Segment

brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers

Dr. Evil Underscores

bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees

Fadi and LCM

brute force, math, number theory

Hyperset

brute force, data structures, implementation

Harry The Potter

brute force, constructive algorithms, dp, fft, implementation, math

Madhouse (Hard version)

brute force, constructive algorithms, hashing, interactive, math

Madhouse (Easy version)

brute force, constructive algorithms, interactive, math

Verse For Santa

binary search, brute force, implementation

Modulo Equality

brute force, sortings

Invertation in Tournament

brute force, divide and conquer, graphs, math

Equation

brute force, math

Shuffle Hashing

brute force, implementation, strings

Divide The Students

brute force

Shawarma Tent

brute force, geometry, greedy, implementation

Suits

brute force, greedy, math

Beautiful Rectangle

brute force, combinatorics, constructive algorithms, data structures, greedy, math

Remove One Element

brute force, dp

Three Friends

brute force, greedy, math, sortings

Beautiful Sequence

brute force, constructive algorithms, greedy

Intriguing Selection

brute force, constructive algorithms, implementation, interactive, sortings

Tournament

brute force, dp, greedy

Make Them Similar

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

Daniel and Spring Cleaning

bitmasks, brute force, combinatorics, dp

Show Must Go On

binary search, brute force, greedy, shortest paths

Data Center

brute force, implementation

The Feast and the Bus

brute force, constructive algorithms, greedy, math

p-binary

bitmasks, brute force, math

Broken Keyboard

brute force, strings, two pointers

Tiling Terrace

brute force, dp

Good Numbers (easy version)

brute force, greedy, implementation

The World Is Just a Programming Task (Easy Version)

brute force, dp, greedy, implementation

Alice and the Doll

brute force, data structures, greedy, implementation

Stones

brute force, greedy, math

Paint the Tree

brute force, constructive algorithms, dp, graphs, implementation, trees

The Football Season

brute force, math, number theory

Rooms and Staircases

brute force, implementation

Complete Tripartite

brute force, constructive algorithms, graphs, hashing, implementation

Distinct Digits

brute force, implementation

Dawid and Bags of Candies

brute force, implementation

Marek and Matching (hard version)

brute force, probabilities

Marek and Matching (easy version)

brute force, probabilities

Marcin and Training Camp

brute force, greedy

Anadi and Domino

brute force, graphs

Numerical Sequence (easy version)

binary search, brute force, math

Graph And Numbers

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

2048 Game

brute force, greedy, math

Rotate Columns (easy version)

bitmasks, brute force, dp, greedy, sortings

The Number Of Good Substrings

binary search, bitmasks, brute force

Badges

brute force, math

Optimal Currency Exchange

brute force, math

Two Small Strings

brute force, constructive algorithms

Equalizing by Division (hard version)

brute force, math, sortings

Equalizing by Division (easy version)

brute force, implementation

Uniqueness

binary search, brute force, implementation, two pointers

Remainder Problem

brute force, data structures, implementation

There Are Two Types Of Burgers

brute force, greedy, implementation, math

Kirk and a Binary String (easy version)

brute force, greedy, strings

Shortest Cycle

bitmasks, brute force, graphs, 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

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

Welfare State

binary search, brute force, data structures, sortings

Cubeword

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

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

Archaeology

brute force, constructive algorithms, greedy, strings

Count The Rectangles

bitmasks, brute force, data structures, geometry, sortings

Tokitsukaze and Duel

brute force, games, greedy

Tokitsukaze and Mahjong

brute force, implementation

Tokitsukaze and Enhancement

brute force

Heidi Learns Hashing (Medium)

brute force, number theory

Heidi Learns Hashing (Easy)

brute force, math, number theory

Topforces Strikes Back

brute force, math, sortings

Two Pizzas

bitmasks, brute force

Polycarp and Snakes

brute force, implementation

Exam in BerSU (hard version)

brute force, data structures, greedy, math

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

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

Born This Way

binary search, brute force, two pointers

Good Triple

brute force, two pointers

The LCMs Must be Large

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

Cute Sequences

binary search, brute force, greedy, math

Low Budget Inception

brute force, geometry

Lost Numbers

brute force, divide and conquer, interactive, math

Telephone Number

brute force, greedy, strings

Power Transmission (Easy Edition)

brute force, geometry

Magical Permutation

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

Double Matrix

brute force, greedy