LionAge II

dp

Gosha is hunting

brute force, data structures, dp, flows, math, probabilities, sortings

Cut Substrings

combinatorics, dp, hashing, strings, two pointers

PLEASE

combinatorics, dp, implementation, math, matrices

Yaroslav and Two Strings

combinatorics, dp

Combinatorics Problem

brute force, combinatorics, dp

Partial Teacher

dp, graphs, greedy, implementation

Minesweeper 1D

dp, implementation

Teodor is not a liar!

data structures, dp

Partition Game

binary search, data structures, divide and conquer, dp

Love-Hate

bitmasks, brute force, dp, probabilities

Tree Queries (Easy Version)

brute force, constructive algorithms, dfs and similar, dp, greedy, trees

Maximum Weight Subset

dp, trees

Match & Catch

dp, string suffix structures, strings

Towers

dp, greedy, two pointers

Wizards and Huge Prize

dp, math, probabilities

Bits And Pieces

bitmasks, dfs and similar, dp, greedy

Voting (Easy Version)

data structures, dp, greedy

Roma and Poker

dp, graphs

Random Task

binary search, bitmasks, combinatorics, dp, math

Bear and Tower of Cubes

binary search, dp, greedy

An overnight dance in discotheque

dfs and similar, dp, geometry, greedy, trees

Turtle Mission: Robot and the Earthquake

dfs and similar, dp, graphs, shortest paths

Ralph and Mushrooms

dp, graphs

Vasya and Binary String

dp

Treasure Hunting

binary search, dp, greedy, implementation

Pawn

dp

Fruit Sequences

binary search, data structures, divide and conquer, dp, two pointers

Ball Sorting

data structures, dp, sortings

Make It One

bitmasks, combinatorics, dp, math, number theory, shortest paths

Correcting Mistakes

constructive algorithms, dp, greedy, hashing, strings, two pointers

Divan and Kostomuksha (hard version)

dp, number theory

Skills

binary search, brute force, dp, greedy, sortings, two pointers

Rain and Umbrellas

dp

Another MEX Problem

bitmasks, brute force, dp, shortest paths

File List

dp, greedy, implementation

Product Sum

data structures, dp, geometry

Count Seconds

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

Mocha and Stars

combinatorics, dp, fft, math, number theory

Not Escaping

data structures, dp, implementation, shortest paths, two pointers

Rearrange Brackets

brute force, dp, greedy, sortings, strings

Symmetric and Transitive

combinatorics, dp, math

Staircases

brute force, combinatorics, data structures, dfs and similar, dp, implementation, math

Multicolored Marbles

dp, math

Leha and another game about graph

constructive algorithms, data structures, dfs and similar, dp, graphs

Bananas in a Microwave

dfs and similar, dp, graphs, implementation

Neko and Aki's Prank

dp, greedy, trees

New Year and Arbitrary Arrangement

dp, math, probabilities

Hot Start Up (hard version)

data structures, dp

Minimal Coverage

dp

Running Track

dp, greedy, strings, trees

Candy Party (Hard Version)

bitmasks, constructive algorithms, dp, greedy, implementation, math

Find a Number

dp, graphs, number theory, shortest paths

Logo Turtle

dp

Jeff and Furik

combinatorics, dp, probabilities

Learning to Paint

binary search, data structures, dfs and similar, dp, greedy, implementation, sortings

Cipher

combinatorics, dp

The World Is Just a Programming Task (Easy Version)

brute force, dp, greedy, implementation

Power Board

brute force, dp, math, number theory

Asterism (Hard Version)

binary search, combinatorics, dp, math, number theory, sortings

Work Group

dfs and similar, dp, graphs, strings, trees

Berzerk

dfs and similar, dp, games

Connected Components

data structures, dfs and similar, dp, dsu

Counting Binary Strings

combinatorics, dp, math

Lunar New Year and Red Envelopes

data structures, dp

Red-Black Number

dfs and similar, dp, implementation, math, meet-in-the-middle

Sum over all Substrings (Hard Version)

bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings

And Reachability

bitmasks, dp

Wi-Fi

data structures, dp, greedy

Counting Shortcuts

data structures, dfs and similar, dp, graphs, shortest paths

Driving Test

data structures, dp, greedy

Nene and the Mex Operator

bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math

You Are Given a WASD-string...

brute force, data structures, dp, greedy, implementation, math, strings

Super M

dfs and similar, dp, graphs, trees

Yet Another Substring Reverse

bitmasks, dp

Cunning Gena

bitmasks, dp, greedy, sortings

Remove Directed Edges

dfs and similar, dp, graphs

Segment Sum

bitmasks, combinatorics, dp, math

Monster Invaders

dp, greedy, implementation

Messages

brute force, dp, greedy, probabilities, sortings

Anthem of Berland

dp, strings

Divisible by Twenty-Five

brute force, dfs and similar, dp

Perfect Groups

dp, math, number theory

Kindergarten

data structures, dp, greedy

Koa and the Beach (Hard Version)

constructive algorithms, dp, greedy, implementation

Maximum Balanced Circle

constructive algorithms, dp, greedy, two pointers

Colorings and Dominoes

combinatorics, dp, greedy, math

Sum Over Zero

data structures, dfs and similar, dp

Karen and Supermarket

brute force, dp, trees

Ezzat and Grid

data structures, dp, greedy

Another Filling the Grid

combinatorics, dp, math

Let's Go Rolling!

dp, sortings

Tree Array

brute force, combinatorics, dp, graphs, math, probabilities, trees

Count Binary Strings

data structures, dp

Buses

binary search, data structures, dp

Escape Through Leaf

data structures, dp, geometry

Chat

*special problem, dp

Cards and Joy

dp

Equilibrium

data structures, dp, greedy

New Year and Ancient Prophecy

dp, hashing, strings