Bananas in a Microwave

dfs and similar, dp, graphs, implementation

Pattern Matching

bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings

Leha and another game about graph

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

Staircases

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

Tourist Reform

dfs and similar, graphs

Copy of a Copy of a Copy

constructive algorithms, dfs and similar, graphs, implementation, sortings

Weights Division (hard version)

binary search, dfs and similar, greedy, sortings, trees, two pointers

Block Tower

constructive algorithms, dfs and similar, graphs

Privatization of Roads in Treeland

binary search, constructive algorithms, dfs and similar, graphs, greedy, trees

AND Graph

bitmasks, dfs and similar, dsu, graphs

Case of Computer Network

dfs and similar, graphs, trees

Cars

2-sat, constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings

Moment of Bloom

constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees

Hemose in ICPC ?

binary search, dfs and similar, implementation, interactive, math, number theory, trees

Vitaly and Cycle

combinatorics, dfs and similar, graphs, math

Turtle Mission: Robot and the Earthquake

dfs and similar, dp, graphs, shortest paths

An overnight dance in discotheque

dfs and similar, dp, geometry, greedy, trees

Infinite Maze

dfs and similar, graphs

Autosynthesis

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

Tourists

data structures, dfs and similar, graphs, trees

Cycle In Maze

*special problem, dfs and similar, graphs, greedy, shortest paths

Bits And Pieces

bitmasks, dfs and similar, dp, greedy

Tree Queries (Easy Version)

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

Happy Life in University

data structures, dfs and similar, greedy, trees

Chocolate

brute force, dfs and similar, math, meet-in-the-middle, number theory

Information Graph

dfs and similar, dsu, graphs, trees

Fib-tree

brute force, dfs and similar, divide and conquer, number theory, trees

Apple Tree

dfs and similar, number theory, trees

Subset with Zero Sum

constructive algorithms, dfs and similar, graphs, math

Nastya and Unexpected Guest

dfs and similar, dp, graphs, shortest paths

Mr. Kitayuta's Colorful Graph

brute force, dfs and similar, dsu, graphs

DeadLee

data structures, dfs and similar, greedy, implementation, sortings

The Great Mixing

dfs and similar, graphs, shortest paths

Data Center Maintenance

dfs and similar, graphs

Coprocessor

dfs and similar, dp, graphs, greedy

Ants in Leaves

dfs and similar, greedy, sortings, trees

Dog Snacks

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

Robots on a Grid

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

Pursuit For Artifacts

dfs and similar, dsu, graphs, trees

Comments

dfs and similar, expression parsing, implementation, strings

Table Compression

dfs and similar, dp, dsu, graphs, greedy

Making Genome in Berland

*special problem, dfs and similar, strings

Symmetree

dfs and similar, hashing, implementation, trees

Tree Queries (Hard Version)

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

Pairs of Numbers

brute force, dfs and similar, math, number theory

Digit Tree

dfs and similar, divide and conquer, dsu, trees

National Property

2-sat, dfs and similar, graphs, implementation

Short Colorful Strip

combinatorics, dfs and similar, dp

Dasha and Puzzle

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

Robot on the Board 2

brute force, dfs and similar, graphs, implementation

One-Way Reform

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

Catowice City

2-sat, dfs and similar, graph matchings, graphs

Xenon's Attack on the Gangs

combinatorics, dfs and similar, dp, greedy, trees

Between

constructive algorithms, dfs and similar, graphs, greedy

MEX Tree

combinatorics, dfs and similar, implementation, math, trees

X(or)-mas Tree

bitmasks, dfs and similar, dsu, graphs, trees

Alternating Tree

combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees

Dispute

dfs and similar, graphs, greedy

Prefix Function Queries

dfs and similar, dp, hashing, string suffix structures, strings, trees

Data Center Drama

dfs and similar, graphs

Ehab's REAL Number Theory Problem

brute force, dfs and similar, graphs, number theory, shortest paths

Nastia Plays with a Tree

constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees

Giving Awards

dfs and similar

Boboniu Walks on Graph

brute force, dfs and similar, graphs, hashing

Transitive Graph

dfs and similar, dp, dsu, graphs, implementation

Fedor and Essay

dfs and similar, dp, graphs, hashing, strings

Inversions problem

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

Polycarp and Hay

dfs and similar, dsu, graphs, greedy, sortings

Broken BST

data structures, dfs and similar

Equidistant Vertices

brute force, combinatorics, dfs and similar, dp, trees

Number of Groups

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

Love Triangles

dfs and similar, dsu, graphs

Lights

brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation

Gifts by the List

constructive algorithms, dfs and similar, graphs, trees

Is It Flower?

dfs and similar, graphs, implementation

Tests for problem D

constructive algorithms, dfs and similar, divide and conquer, trees

Company

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

Permutation recovery

constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings

Towers

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

Tree Compass

constructive algorithms, dfs and similar, greedy, trees

Game

dfs and similar, greedy

Hamiltonian Spanning Tree

dfs and similar, dp, graph matchings, greedy, trees

Railguns

brute force, dfs and similar, dp, graphs

Great Grids

2-sat, constructive algorithms, dfs and similar, dsu, graphs

The Maximum Subtree

dfs and similar, dp, graphs, trees

Edge Reverse

binary search, dfs and similar, graphs, trees

Phoenix and Earthquake

constructive algorithms, dfs and similar, dsu, graphs, greedy, trees

Ehab's Last Theorem

constructive algorithms, dfs and similar, graphs, greedy

Hemose on the Tree

bitmasks, constructive algorithms, dfs and similar, trees

The Beach

constructive algorithms, dfs and similar, graphs, shortest paths

IT Restaurants

dfs and similar, dp, trees

Light Bulbs (Easy Version)

brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees

Quantifier Question

dfs and similar, dp, graphs, math

Desk Disorder

combinatorics, dfs and similar, dsu, graphs, trees

Tree Modification

brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees

Minimal Diameter Forest

constructive algorithms, dfs and similar, greedy, trees

Ice cream coloring

constructive algorithms, dfs and similar, greedy

Berland and the Shortest Paths

brute force, dfs and similar, graphs, shortest paths

President and Roads

dfs and similar, graphs, hashing, shortest paths

Egor in the Republic of Dagestan

constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths