Points on Plane

constructive algorithms, divide and conquer, geometry, greedy, sortings

Order Book

data structures, greedy, implementation, sortings

Arrays

sortings

Minimization

dp, greedy, sortings

One-Dimensional Battle Ships

binary search, data structures, greedy, sortings

Currency System in Geraldion

implementation, sortings

Gerald and Path

dp, sortings

Equivalent Strings

divide and conquer, hashing, sortings, strings

A Simple Task

data structures, sortings, strings

Guess Your Way Out! II

data structures, implementation, sortings

Lala Land and Apple Trees

brute force, implementation, sortings

Arthur and Table

brute force, data structures, dp, greedy, math, sortings

Pasha and Tea

constructive algorithms, implementation, math, sortings

Case of Fugitive

data structures, greedy, sortings

Vanya and Triangles

brute force, combinatorics, data structures, geometry, math, sortings

GukiZ and Contest

brute force, implementation, sortings

Happy Line

constructive algorithms, greedy, sortings

Soldier and Badges

brute force, greedy, implementation, sortings

Queue

greedy, implementation, sortings

Place Your Ad Here

data structures, sortings

Infinite Inversions

binary search, data structures, implementation, sortings, trees

Berserk Robot

constructive algorithms, math, sortings

A Heap of Heaps

brute force, data structures, math, sortings

Group Photo 2 (online mirror version)

brute force, greedy, sortings

Triangles 3000

geometry, sortings

Clique Problem

data structures, dp, greedy, implementation, sortings

Ilya and Sticks

greedy, math, sortings

Rooks and Rectangles

data structures, sortings

The Art of Dealing with ATM

binary search, sortings

A and B and Compilation Errors

data structures, implementation, sortings

Drazil and Factorial

greedy, math, sortings

Fox And Names

dfs and similar, graphs, sortings

Amr and Music

greedy, implementation, sortings

Misha and Forest

constructive algorithms, data structures, greedy, sortings, trees

New Year Permutation

dfs and similar, dsu, graphs, greedy, math, sortings

Distributing Parts

greedy, sortings

Vasya and Basketball

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

Vanya and Computer Game

binary search, implementation, math, sortings

Vanya and Exams

greedy, sortings

Vanya and Lanterns

binary search, implementation, math, sortings

Team Olympiad

greedy, implementation, sortings

BerSU Ball

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

SwapSort

greedy, implementation, sortings

Maximum Value

binary search, math, sortings, two pointers

Exams

greedy, sortings

Towers

brute force, constructive algorithms, greedy, implementation, sortings

Wavy numbers

brute force, dfs and similar, meet-in-the-middle, sortings

Pillars

binary search, data structures, dp, sortings, trees

MUH and Important Things

implementation, sortings

Appleman and Toastman

greedy, sortings

Roland and Rose

brute force, geometry, math, sortings

Pashmak and Graph

dp, sortings

Pashmak and Parmida's problem

data structures, divide and conquer, sortings

Pashmak and Flowers

combinatorics, implementation, sortings

Laptops

sortings

Sort the Array

implementation, sortings

Devu and his Brother

binary search, sortings, ternary search, two pointers

Devu, the Dumb Guy

implementation, sortings

The Child and Zoo

dsu, sortings

The Child and Toy

graphs, greedy, sortings

The Child and Set

bitmasks, greedy, implementation, sortings

Furukawa Nagisa's Tree

binary search, divide and conquer, sortings, trees

Ryouko's Memory Note

implementation, math, sortings

Kuriyama Mirai's Stones

dp, implementation, sortings

Prime Swaps

greedy, sortings

Choosing Teams

greedy, implementation, sortings

Points and Segments (easy)

constructive algorithms, sortings

Sereja and Swaps

brute force, sortings

Megacity

binary search, greedy, implementation, sortings

Bug in Code

binary search, data structures, sortings

Cunning Gena

bitmasks, dp, greedy, sortings

Network Configuration

greedy, sortings

Gravity Flip

greedy, implementation, sortings

Restore Graph

dfs and similar, graphs, sortings

Fox and Card Game

games, greedy, sortings

Fox and Box Accumulation

greedy, sortings

Multitasking

greedy, implementation, sortings, two pointers

Volcanoes

binary search, implementation, sortings, two pointers

Arithmetic Progression

implementation, sortings

Sereja and Stairs

greedy, implementation, sortings

New Year Tree Decorations

geometry, schedules, sortings

New Year Ratings Change

greedy, sortings

Semifinals

implementation, sortings

Preparing for the Contest

binary search, data structures, greedy, sortings

Maximum Submatrix 2

data structures, dp, implementation, sortings

Counting Kangaroos is Fun

binary search, greedy, sortings, two pointers

Mittens

constructive algorithms, greedy, sortings

Sereja and the Arrangement of Numbers

graphs, greedy, sortings

Petya and Staircases

implementation, sortings

Two Heaps

combinatorics, constructive algorithms, greedy, implementation, math, sortings

Jeff and Periods

implementation, sortings

Looking for Owls

binary search, data structures, geometry, hashing, sortings

Bombs

greedy, implementation, sortings

Mafia

binary search, math, sortings

Difference Row

constructive algorithms, implementation, sortings

Helpful Maths

greedy, implementation, sortings, strings

Eight Point Sets

sortings

Summer Earnings

binary search, bitmasks, brute force, geometry, sortings

Characteristics of Rectangles

binary search, bitmasks, brute force, implementation, sortings

Students' Revenge

data structures, greedy, sortings