Sonya and Informatics

combinatorics, dp, matrices, probabilities

Good Contest

combinatorics, dp, probabilities

Name That Tune

dp, probabilities, two pointers

Beautiful Mirrors with queries

data structures, probabilities

Little Artem and Random Variable

dp, implementation, math, probabilities

Little Elephant and Furik and Rubik

math, probabilities

Eyes Closed

data structures, probabilities

DZY Loves FFT

probabilities

Nauuo and Pictures (easy version)

dp, probabilities

Hossam and Range Minimum Query

binary search, bitmasks, data structures, hashing, probabilities, strings, trees

Third Month Insanity

dp, probabilities, trees

Inversions After Shuffle

data structures, probabilities

Bath Queue

combinatorics, dp, probabilities

Painting The Wall

dp, probabilities

Barrels and boxes

brute force, combinatorics, math, number theory, probabilities

Odd Mineral Resource

binary search, bitmasks, brute force, data structures, probabilities, trees

Playlist

math, probabilities, sortings

Crossword Expert

combinatorics, dp, number theory, probabilities, two pointers

Tenzing and Random Operations

combinatorics, dp, math, probabilities

Famil Door and Roads

combinatorics, data structures, dfs and similar, dp, probabilities, trees

Twin Clusters

bitmasks, brute force, constructive algorithms, math, probabilities

The Top Scorer

combinatorics, dp, math, probabilities

In Search of Truth (Hard Version)

constructive algorithms, interactive, math, meet-in-the-middle, probabilities

Ela Goes Hiking

combinatorics, dp, math, probabilities

Game with Strings

bitmasks, dp, probabilities

Slime and Biscuits

math, probabilities

Beautiful Bracket Sequence (hard version)

combinatorics, probabilities

Mushroom Gnomes - 2

binary search, data structures, probabilities, sortings

Expected Square Beauty

dp, math, probabilities

GCD Groups 2

greedy, number theory, probabilities

Helping People

dp, probabilities

Random Walk

dp, graphs, math, probabilities, trees

Nauuo and Pictures (hard version)

dp, probabilities

Dark Assembly

brute force, probabilities

Battalion Strength

data structures, divide and conquer, probabilities

Square Table

constructive algorithms, math, probabilities

Circular Dungeon

greedy, math, probabilities

Serval and Bonus Problem

combinatorics, dp, math, probabilities

Tickets

combinatorics, math, probabilities

Bingo

bitmasks, combinatorics, dp, math, probabilities

Find a Gift

binary search, interactive, probabilities

BinCoin

binary search, divide and conquer, hashing, implementation, probabilities, trees

Mighty Rock Tower

brute force, combinatorics, dp, math, probabilities

A Random Code Problem

combinatorics, dp, math, number theory, probabilities

Lost Root

interactive, probabilities

Maze

dfs and similar, dp, probabilities, trees

ZS Shuffles Cards

combinatorics, dp, math, probabilities

Jellyfish and Miku

divide and conquer, dp, math, probabilities

Valera and Number

bitmasks, dp, math, probabilities

Wilbur and Trees

dp, math, probabilities, sortings

Castle

dp, greedy, probabilities, sortings, trees

James and the Chase

dfs and similar, graphs, probabilities, trees

Interstellar battle

math, probabilities, trees

World of Darkraft - 2

dp, probabilities

Museum

math, matrices, probabilities

Inversions problem

dp, probabilities

Smart Cheater

data structures, math, probabilities

Game Relics

math, probabilities

Strongly Connected Tournament

dp, graphs, math, probabilities

Olha and Igor

interactive, probabilities, trees

Tenzing and Random Real Numbers

bitmasks, dp, graphs, math, probabilities

Memory and Casinos

data structures, math, probabilities

Bombing

binary search, dp, probabilities

Chemistry Lab

dp, geometry, probabilities

Mark and the Online Exam

bitmasks, constructive algorithms, interactive, probabilities

Bear and Destroying Subtrees

dp, math, probabilities, trees

Startup Funding

binary search, constructive algorithms, data structures, probabilities, two pointers

Piglet's Birthday

dp, math, probabilities

LCC

data structures, math, matrices, probabilities

Kyoya and Train

dp, fft, graphs, math, probabilities

Petya and Tree

binary search, dfs and similar, probabilities, sortings, trees

Expecting Trouble

*special problem, probabilities

Party Organization

brute force, math, probabilities

Birthday

greedy, math, probabilities

Help Shrek and Donkey

dp, games, math, probabilities

Is It Rated?

greedy, interactive, math, probabilities

Gifts

combinatorics, dp, math, probabilities

Half-decay tree

data structures, divide and conquer, dp, math, probabilities

Gambling Nim

bitmasks, math, matrices, probabilities

The Mind

constructive algorithms, interactive, probabilities

Expected Components

combinatorics, math, number theory, probabilities

Randomizer

combinatorics, geometry, probabilities

Pokermon League challenge

math, probabilities

Frequency Mismatch (Easy Version)

binary search, data structures, divide and conquer, hashing, probabilities, trees

Paper Cutting Again

combinatorics, probabilities

T-shirt

dp, greedy, probabilities

Tubular Bells

interactive, math, number theory, probabilities

DZY Loves Games

math, matrices, probabilities

Guess the String

constructive algorithms, interactive, probabilities

Card Guessing

combinatorics, dp, probabilities

Computer Game

dp, greedy, math, probabilities

Frequency Mismatch (Hard Version)

binary search, data structures, dfs and similar, hashing, probabilities, trees

DIY Tree

graphs, greedy, math, probabilities

Game of Questions

bitmasks, combinatorics, dp, fft, math, probabilities

Fading into Fog

geometry, interactive, math, probabilities

Mergesort Strikes Back

math, probabilities

Google Code Jam

dp, probabilities

Triangle Platinum?

brute force, combinatorics, implementation, interactive, math, probabilities

Gold Experience

constructive algorithms, graphs, math, number theory, probabilities

Random Ranking

dp, math, probabilities