Deputies

constructive algorithms, graphs, greedy, implementation

Wizards and Bets

dfs and similar, graphs, math, matrices

Wizards and Roads

data structures, divide and conquer, graph matchings, graphs, greedy

Machine Programming

flows, graphs

Variable, or There and Back Again

dfs and similar, graphs

Edges in MST

dfs and similar, dsu, graphs, sortings

Clues

combinatorics, graphs

Double Profiles

graphs, hashing, sortings

Garden

bitmasks, dp, graphs, trees

Quantity of Strings

combinatorics, dfs and similar, graphs, math

Smile House

binary search, graphs, matrices

Missile Silos

data structures, dfs and similar, graphs, shortest paths

Clearing Up

constructive algorithms, dp, dsu, graphs

Take-off Ramps

graphs, shortest paths

Swaps

constructive algorithms, graphs, greedy

Bits of merry old England

flows, graphs

Subway

dfs and similar, graphs

Students and Shoelaces

brute force, dfs and similar, graphs, implementation

MST Company

binary search, graphs

Bertown roads

dfs and similar, graphs

Cycle

dfs and similar, graphs

Party

dfs and similar, graphs, trees

PFAST Inc.

bitmasks, brute force, graphs

Crime Management

dp, graphs, matrices

Dorm Water Supply

dfs and similar, graphs

Cthulhu

dfs and similar, dsu, graphs

Leaders

dfs and similar, dsu, graphs, trees

Winning Strategy

binary search, graphs, math, shortest paths

Lucky Country

dp, dsu, graphs

Friends

graphs, implementation, math

Grocer's Problem

constructive algorithms, graphs, greedy

Ski Base

combinatorics, dsu, graphs

Widget Library

dp, expression parsing, graphs, implementation

Beautiful Road

dfs and similar, dp, dsu, graphs, implementation, sortings, trees

Guard Towers

binary search, dsu, geometry, graphs, sortings

Track

graphs, greedy, shortest paths

Pairs

dfs and similar, dp, dsu, graphs, implementation, trees

Evacuation

flows, graphs, shortest paths

Gift

dsu, graphs, sortings, trees

Chessboard Billiard

dfs and similar, dsu, graphs, number theory

FreeDiv

dfs and similar, graphs, greedy

Partial Teacher

dp, graphs, greedy, implementation

Wormhouse

dfs and similar, graphs

Eternal Victory

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

Shortest Path

graphs, shortest paths

Caterpillar

dfs and similar, dp, graphs, trees

Pentagon

combinatorics, graphs, matrices

Ivan the Fool VS Gorynych the Dragon

dp, games, graphs

Hercule Poirot Problem

dsu, graphs

Road Problem

graphs

BerPaint

geometry, graphs

Baldman and the military

dfs and similar, graphs, trees

3-cycles

constructive algorithms, graphs, greedy

Trial for Chief

graphs, greedy, shortest paths

Two Paths

constructive algorithms, dsu, graphs, implementation

Road Map

dfs and similar, graphs

Knights

geometry, graphs, shortest paths, sortings

Quarrel

graphs, shortest paths

Mail Stamps

data structures, dfs and similar, graphs, implementation

pSort

dfs and similar, dsu, graphs

Ring Road 2

2-sat, dfs and similar, dsu, graphs

Roads not only in Berland

dsu, graphs, trees

Roads in Berland

graphs, shortest paths

Ring road

graphs

Party

constructive algorithms, graphs, math

Scheme

dfs and similar, graphs, trees

System Administrator

graphs

Traveling Graph

bitmasks, graph matchings, graphs

Dijkstra?

graphs, shortest paths

Two Paths

dfs and similar, dp, graphs, shortest paths, trees, two pointers

A Simple Task

bitmasks, dp, graphs

Interestring graph and Apples

dfs and similar, dsu, graphs

Beads

dp, graphs

Obsession with Robots

constructive algorithms, graphs, implementation