Vanya and Lanterns

binary search, implementation, math, sortings

T-primes

binary search, implementation, math, number theory

New Year and Hurry

binary search, brute force, implementation, math

Worms

binary search, implementation

Interesting drink

binary search, dp, implementation

Number of Ways

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

Books

binary search, brute force, implementation, two pointers

Perfect Number

binary search, brute force, dp, implementation, number theory

Kefa and Company

binary search, sortings, two pointers

Sport Mafia

binary search, brute force, math

Queries about less or equal elements

binary search, data structures, sortings, two pointers

Perfect Team

binary search, math

Creating a Character

binary search, math

Letters

binary search, implementation, two pointers

Three Parts of the Array

binary search, data structures, two pointers

Chloe and the sequence

binary search, bitmasks, constructive algorithms, implementation

Vasya and String

binary search, dp, strings, two pointers

Sushi for Two

binary search, greedy, implementation

Birthday

binary search, greedy, sortings

Rank List

binary search, implementation, sortings

Squares and Segments

binary search, constructive algorithms, math

Benches

binary search, implementation

Letters Shop

binary search, implementation, strings

Sanatorium

binary search, constructive algorithms, greedy, implementation, math

Password

binary search, dp, hashing, string suffix structures, strings

Computer Game

binary search, math

Two Cakes

binary search, brute force, implementation

Hamburgers

binary search, brute force

Points on Line

binary search, combinatorics, two pointers

Meme Problem

binary search, math

Mafia

binary search, math, sortings

NN and the Optical Illusion

binary search, geometry, math

Planning The Expedition

binary search, brute force, implementation

They Are Everywhere

binary search, strings, two pointers

Maximum Median

binary search, greedy, math, sortings

Burning Midnight Oil

binary search, implementation

Sagheer and Nubian Market

binary search, sortings

Another Problem on Strings

binary search, brute force, dp, math, strings, two pointers

Magic Powder - 1

binary search, brute force, implementation

Alyona and a Narrow Fridge

binary search, flows, greedy, sortings

String Game

binary search, greedy, strings

Prime Matrix

binary search, brute force, math, number theory

Multiplication Table

binary search, brute force

Counting Kangaroos is Fun

binary search, greedy, sortings, two pointers

PolandBall and Game

binary search, data structures, games, greedy, sortings, strings

Geometric Progression

binary search, data structures, dp

Karen and Coffee

binary search, data structures, implementation

Lucky Numbers (easy)

binary search, bitmasks, brute force

Fly

binary search, math

More Cowbell

binary search, greedy

Uniqueness

binary search, brute force, implementation, two pointers

Chain Reaction

binary search, dp

Good Numbers (hard version)

binary search, greedy, math, meet-in-the-middle

Coffee Break

binary search, data structures, greedy, two pointers

k-Multiple Free Set

binary search, greedy, sortings

Candies

binary search, implementation

LLPS

binary search, bitmasks, brute force, greedy, implementation, strings

Chat Order

*special problem, binary search, constructive algorithms, data structures, sortings

Welfare State

binary search, brute force, data structures, sortings

World Cup

binary search, math

Recursive Queries

binary search, data structures, dfs and similar

A Tale of Two Lands

binary search, sortings, two pointers

Anton and Fairy Tale

binary search, math

New Year and Rating

binary search, greedy, math

Magic Powder - 2

binary search, implementation

Funky Numbers

binary search, brute force, implementation

Bear and Prime Numbers

binary search, brute force, data structures, dp, implementation, math, number theory

Producing Snow

binary search, data structures

Physics Practical

binary search, dp, sortings, two pointers

Tourist's Notes

binary search, brute force, greedy, implementation, math

Valhalla Siege

binary search

Glass Carving

binary search, data structures, implementation

The Meeting Place Cannot Be Changed

binary search

Born This Way

binary search, brute force, two pointers

Save the Nature

binary search, greedy

Alyona and Spreadsheet

binary search, data structures, dp, greedy, implementation, two pointers

The Number Of Good Substrings

binary search, bitmasks, brute force

Megacity

binary search, greedy, implementation, sortings

Vasya and Basketball

binary search, brute force, data structures, implementation, sortings, two pointers

Vasiliy's Multiset

binary search, bitmasks, data structures, trees

Berland Fair

binary search, brute force, data structures, greedy

Cellular Network

binary search, implementation, two pointers

Mike and Feet

binary search, data structures, dp, dsu

Hard Process

binary search, dp, two pointers

Bubble Sort Graph

binary search, data structures, dp

Anton and Making Potions

binary search, dp, greedy, two pointers

Three-level Laser

binary search, greedy, two pointers

Bear and Blocks

binary search, data structures, dp, math

Modified GCD

binary search, number theory

Exams

binary search, greedy, sortings

Creative Snap

binary search, brute force, divide and conquer, math

Booking System

binary search, dp, greedy, implementation

To Add or Not to Add

binary search, sortings, two pointers

The Party and Sweets

binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers

Electrification

binary search, brute force, greedy

Non-square Equation

binary search, brute force, math

Maximum Value

binary search, math, sortings, two pointers

K-Dominant Character

binary search, implementation, two pointers

Mentors

binary search, data structures, implementation

Glider

binary search, data structures, two pointers