Brutality

greedy, sortings, two pointers

Alyona and a Narrow Fridge

binary search, flows, greedy, sortings

Summer sell-off

greedy, sortings

Little Elephant and Problem

implementation, sortings

Reorder the Array

combinatorics, data structures, math, sortings, two pointers

Kill `Em All

greedy, sortings

Deep Down Below

binary search, greedy, sortings

Elemental Decompress

constructive algorithms, greedy, implementation, sortings

Make It Permutation

brute force, greedy, sortings

Queue Sort

greedy, implementation, sortings

Masha and a Beautiful Tree

dfs and similar, divide and conquer, graphs, sortings, trees

Paprika and Permutation

binary search, greedy, math, sortings

Balanced Tunnel

data structures, sortings, two pointers

Knapsack

constructive algorithms, greedy, sortings

Parity Shuffle Sorting

constructive algorithms, sortings

Saving the City

dp, greedy, math, sortings

Jeff and Periods

implementation, sortings

Longest Strike

data structures, greedy, implementation, sortings, two pointers

Not Sitting

games, greedy, sortings

Negative Prefixes

greedy, sortings

Blue-Red Permutation

greedy, math, sortings

Slay the Dragon

binary search, greedy, sortings, ternary search

Strong Vertices

math, sortings, trees

Yet Another Problem About Pairs Satisfying an Inequality

binary search, data structures, dp, greedy, sortings

Strange Birthday Party

binary search, dp, greedy, sortings, two pointers

Mere Array

constructive algorithms, math, number theory, sortings

Queue

greedy, implementation, sortings

Queries about less or equal elements

binary search, data structures, sortings, two pointers

Pashmak and Flowers

combinatorics, implementation, sortings

Sort the Array

implementation, sortings

Trading Business

greedy, sortings

April Fools' Problem (easy)

greedy, sortings

Cottage Village

implementation, sortings

Potions Homework

implementation, sortings

Taxi drivers and Lyft

implementation, sortings

Growing Mushrooms

greedy, sortings

Vladik and Complicated Book

implementation, sortings

Cards with Numbers

constructive algorithms, sortings

Megacity

binary search, greedy, implementation, sortings

Micro-World

greedy, sortings

Points on the line

brute force, greedy, sortings

SwapSort

greedy, implementation, sortings

Exam in BerSU (easy version)

greedy, sortings

Alyona and Mex

sortings

Beautiful Paintings

greedy, sortings

Dishonest Sellers

constructive algorithms, greedy, sortings

Cutting

dp, greedy, sortings

Polycarp's Practice

greedy, implementation, sortings

Morning Jogging

constructive algorithms, greedy, sortings

Vika and the Bridge

binary search, data structures, greedy, implementation, math, sortings

Incinerate

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

Filya and Homework

implementation, sortings

Devu, the Dumb Guy

implementation, sortings

Pursuit

binary search, brute force, greedy, sortings

Virus

greedy, implementation, sortings

Trust Nobody

brute force, greedy, implementation, sortings

Birthday

binary search, greedy, sortings

Playing in a Casino

math, sortings

Prefix Sum Addicts

constructive algorithms, greedy, math, sortings

Chat Order

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

Ehab Is an Odd Person

sortings

Appleman and Toastman

greedy, sortings

Equalize

binary search, greedy, sortings, two pointers

Dominated Subarray

greedy, implementation, sortings, strings, two pointers

Hemose Shopping

constructive algorithms, dsu, math, sortings

A-B-C Sort

constructive algorithms, implementation, sortings

Minimum Notation

data structures, greedy, math, sortings

Weight of the System of Nested Segments

greedy, hashing, implementation, sortings

Diamond Miner

geometry, greedy, math, sortings

Double Sort

implementation, sortings

Soldier and Badges

brute force, greedy, implementation, sortings

Great Sequence

brute force, greedy, sortings

Turtle Tenacity: Continual Mods

constructive algorithms, greedy, math, number theory, sortings

Rudolf and the Another Competition

constructive algorithms, data structures, dp, greedy, sortings

Matryoshkas

data structures, greedy, sortings

Three Activities

brute force, dp, greedy, implementation, sortings

WeirdSort

dfs and similar, sortings

Make Equal With Mod

constructive algorithms, math, number theory, sortings

Friends and the Restaurant

greedy, sortings, two pointers

Forming Triangles

combinatorics, constructive algorithms, math, sortings

Next Test

implementation, sortings

Divisibility by 2^n

greedy, math, sortings

Collecting Packages

implementation, sortings

Stable Groups

greedy, sortings

Balanced Team

sortings, two pointers

Maximum Product

brute force, dp, greedy, implementation, sortings

Building Permutation

greedy, implementation, sortings

Assembly via Minimums

greedy, sortings

Young Explorers

dp, greedy, sortings

Sorted Adjacent Differences

constructive algorithms, sortings

Even-Odd Game

dp, games, greedy, sortings

Less or Equal

sortings

Kuriyama Mirai's Stones

dp, implementation, sortings

BerSU Ball

dfs and similar, dp, graph matchings, greedy, sortings, two pointers

Vanya and Lanterns

binary search, implementation, math, sortings

Matchmaker

*special problem, greedy, sortings

Another Sorting Problem

data structures, sortings, strings

Fruits

greedy, implementation, sortings

Sockets

greedy, implementation, sortings

Sereja and Stairs

greedy, implementation, sortings