Logical Expression

bitmasks, dp, shortest paths

Vova Escapes the Matrix

brute force, dfs and similar, divide and conquer, shortest paths

BerDonalds

graphs, math, shortest paths

Labyrinth Adventures

data structures, dp, matrices, shortest paths

Robot Control

dp, graphs, shortest paths

Levko and Game

graphs, greedy, shortest paths

Treeland and Viruses

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

An unavoidable detour for home

combinatorics, dp, graphs, shortest paths

Jumping Around

binary search, data structures, divide and conquer, dp, dsu, graphs, shortest paths

Italian Data Centers

graphs, shortest paths

Trial for Chief

graphs, greedy, shortest paths

Armor and Weapons

brute force, dp, greedy, shortest paths

The Doctor Meets Vader (Medium)

flows, graph matchings, graphs, shortest paths, sortings

Oppa Funcan Style Remastered

graphs, math, number theory, shortest paths

Perishable Roads

dp, graphs, shortest paths

Not Splitting

geometry, graphs, greedy, implementation, shortest paths

Evacuation

flows, graphs, shortest paths

Timofey and a flat tree

data structures, graphs, hashing, shortest paths, trees

Rats

brute force, dfs and similar, graphs, implementation, shortest paths

Cow and Exercise

flows, graphs, shortest paths

Fetch the Treasure

brute force, data structures, graphs, shortest paths

Circling Round Treasures

bitmasks, shortest paths

Double Tree

data structures, divide and conquer, shortest paths, trees

Long Way to be Non-decreasing

binary search, dfs and similar, graphs, implementation, shortest paths, two pointers

Omkar and Pies

bitmasks, dfs and similar, dp, math, shortest paths

Down Below

binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths

Game with Points

dp, graphs, implementation, shortest paths

Track

graphs, greedy, shortest paths

Dirty Arkady's Kitchen

data structures, dp, graphs, shortest paths

Teleportation in Byteland

data structures, dfs and similar, divide and conquer, graphs, shortest paths, trees

Appleman and a Game

binary search, shortest paths, strings

Ones

dp, greedy, shortest paths

Snowy Mountain

data structures, dfs and similar, graphs, greedy, shortest paths, trees

Shortest path

brute force, geometry, math, shortest paths

Meeting Her

dp, graphs, shortest paths

Monsters and Diamonds

dfs and similar, graphs, shortest paths

Four Vertices

constructive algorithms, data structures, graphs, greedy, implementation, shortest paths

Anti-Tetris

constructive algorithms, graphs, shortest paths

A Game With Numbers

games, graphs, shortest paths

Reindeer Games

binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths

The Game of the Century

constructive algorithms, graphs, shortest paths

Winning Strategy

binary search, graphs, math, shortest paths

Doe Graphs

constructive algorithms, divide and conquer, dp, graphs, shortest paths

Battlefield

geometry, graphs, implementation, shortest paths

Ship's Shortest Path

geometry, shortest paths

Chess

math, shortest paths

Iqea

data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees

Infinite Chess

implementation, shortest paths

The Doctor Meets Vader (Hard)

flows, shortest paths

Trains and Airplanes

dfs and similar, graphs, shortest paths, trees

Princess and Her Shadow

constructive algorithms, shortest paths

Knightmare (hard)

graphs, interactive, shortest paths

Late For Work (submissions are not allowed)

data structures, greedy, schedules, shortest paths

Show Must Go On

binary search, brute force, greedy, shortest paths

Viruses

*special problem, dp, shortest paths, string suffix structures

Knightmare (easy)

graphs, interactive, shortest paths

Alpha planetary system

constructive algorithms, graphs, shortest paths

Собери число

graphs, shortest paths

Railway Construction

brute force, constructive algorithms, data structures, graphs, shortest paths

Gnomes of Might and Magic

data structures, graphs, implementation, shortest paths