Bachgold Problem

greedy, implementation, math, number theory

Santa Claus and Tangerines

binary search, data structures, greedy, two pointers

Santa Claus and a Palindrome

constructive algorithms, data structures, greedy

Winter Is Coming

dp, greedy, sortings

Music in Car

data structures, greedy, two pointers

Numbers Exchange

greedy, implementation, math

Green and Black Tea

constructive algorithms, greedy, math

Vladik and flights

constructive algorithms, greedy, implementation

Alyona and mex

constructive algorithms, greedy

Tanya is 5!

graph matchings, graphs, greedy, schedules

Chess Championship

constructive algorithms, flows, greedy, math

Tennis Championship

combinatorics, constructive algorithms, greedy, math

Urbanization

greedy, number theory, sortings

Anton and Making Potions

binary search, dp, greedy, two pointers

Anton and Digits

brute force, greedy, implementation, math

Epidemic in Monstropolis

constructive algorithms, dp, greedy, two pointers

Sockets

greedy, sortings

Exams

binary search, greedy, sortings

Sanatorium

binary search, constructive algorithms, greedy, implementation, math

Cormen --- The Best Friend Of a Man

dp, greedy

80-th Level Archeology

brute force, data structures, greedy, sortings

Socks

dfs and similar, dsu, graphs, greedy

Coupons and Discounts

constructive algorithms, greedy

Olympiad in Programming and Sports

dp, flows, graphs, greedy

Award Ceremony

greedy, implementation

Running Over The Bridges

greedy, implementation, math

Toda 2

greedy, implementation

Subordinates

constructive algorithms, data structures, graphs, greedy, sortings

Sea Battle

constructive algorithms, greedy, math

Road to Cinema

binary search, greedy, sortings

Polycarp's problems

binary search, dp, greedy

T-shirts Distribution

constructive algorithms, flows, greedy

Family Photos

games, greedy

Too Much Money

brute force, greedy

Contest Balloons

data structures, greedy

Goods transportation

dp, flows, greedy

Dense Subsequence

data structures, greedy, strings

Ray Tracing

greedy, hashing, implementation, math, number theory, sortings

Batch Sort

brute force, greedy, implementation, math

st-Spanning Tree

dsu, graphs, greedy, implementation

One-Way Reform

constructive algorithms, dfs and similar, flows, graphs, greedy

Lakes in Berland

dfs and similar, dsu, graphs, greedy, implementation

Polycarp at the Radio

greedy

Generating Sets

binary search, data structures, dfs and similar, greedy, strings, trees

Maxim and Array

constructive algorithms, data structures, greedy, math

Closing ceremony

greedy

Anatoly and Cockroaches

greedy

R3D3’s Summer Adventure

dp, greedy

Complete the Word

greedy, two pointers

Memory and De-Evolution

greedy, math

Checkpoints

greedy, implementation, sortings

Centroids

data structures, dfs and similar, dp, graphs, greedy, trees

Recover the String

constructive algorithms, greedy, implementation, math

Letters Cyclic Shift

constructive algorithms, greedy, implementation, strings

Captain America

flows, greedy

Ant Man

dp, graphs, greedy

Maximum Increase

dp, greedy, implementation

Cards

greedy, implementation

Huffman Coding on Segment

data structures, greedy

Mike and Shortcuts

dfs and similar, graphs, greedy, shortest paths

Heap Operations

constructive algorithms, data structures, greedy

Bear and Tower of Cubes

binary search, dp, greedy

Trains and Statistic

data structures, dp, greedy

Money Transfers

constructive algorithms, data structures, greedy, sortings

Problems for Round

greedy, implementation

Organizing a Race

data structures, greedy

Roads in Yusland

data structures, dp, greedy

Robin Hood

binary search, greedy

Recycling Bottles

dp, geometry, greedy, implementation

Holidays

brute force, constructive algorithms, greedy, math

Simple Subset

constructive algorithms, greedy, number theory

Simple Strings

dp, greedy, strings

Rebus

constructive algorithms, expression parsing, greedy, math

To Hack or not to Hack

brute force, dp, greedy

International Olympiad

constructive algorithms, greedy, implementation, math

Co-prime Array

greedy, implementation, math, number theory

Polycarp and Hay

dfs and similar, dsu, graphs, greedy, sortings

New Reform

data structures, dfs and similar, dsu, graphs, greedy

Tanya and Toys

greedy, implementation

Beautiful Paintings

greedy, sortings

Joysticks

dp, greedy, implementation, math

Clockwork Bomb

data structures, dfs and similar, dsu, greedy, trees

Table Compression

dfs and similar, dp, dsu, graphs, greedy

Автобус

binary search, data structures, greedy, sortings

Дефрагментация памяти

constructive algorithms, greedy, implementation

Печать условий

constructive algorithms, greedy, sortings

Собачки и миски

data structures, greedy, sortings

Intellectual Inquiry

dp, greedy, strings

Mischievous Mess Makers

greedy, math

Bear and Paradox

binary search, greedy, math, sortings

Bear and Contribution

data structures, greedy, sortings, two pointers

Road Improvement

*special problem, dfs and similar, graphs, greedy, trees

Running with Obstacles

*special problem, data structures, dp, greedy

Bear and String Distance

greedy, strings

Preorder Test

binary search, dfs and similar, dp, graphs, greedy, trees

Package Delivery

data structures, divide and conquer, greedy

Raffles

data structures, dp, greedy, math

Block Towers

brute force, greedy, math, number theory

Frog Fights

data structures, greedy

War of the Corporations

constructive algorithms, greedy, strings