Google Code Jam

dp, probabilities

Pairs

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

Min-Fund Prison (Medium)

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

Bosco and Particle

dp, math, number theory, strings

Cupboards Jumps

dp

Journey

dp, math

Breadboard Capacity (easy version)

dp, flows, greedy

Sherlock and the Encrypted Data

bitmasks, combinatorics, dp

Flags

dp, math, matrices

Anagram Paths

dp, implementation, trees

Meeting Her

dp, graphs, shortest paths

INOI Final Contests

combinatorics, dp, fft

Sonya Partymaker

binary search, dp

Shoe Store

dp, graph matchings, greedy, sortings, two pointers

Forward, march!

binary search, dp, greedy

Expression

dp

Packmen Strike Back

binary search, dp, math

Twilight and Ancient Scroll (harder version)

dp, hashing, implementation, string suffix structures, strings, two pointers

Pasha and Pipe

binary search, brute force, combinatorics, dp, implementation

Parmigiana With Seafood

binary search, dp, greedy, trees

Heaps

dp, trees

Stepan's Series

*special problem, dp

Swimmers in the Pool

dp, fft, math, number theory

Making Shapes

dp

New Year Permutations

combinatorics, dp

Computer Game

dp, greedy, math, probabilities

Journey

dp, trees

Banners

brute force, data structures, dp

Yaroslav and Arrangements

dp

Ones

dp, greedy, shortest paths

Dima and Game

dp, games

Arrangement

bitmasks, dp

The Great Julya Calendar

dp

Sereja and Squares

dp

Shake It!

combinatorics, dp, flows, graphs

Segment Covering

brute force, combinatorics, constructive algorithms, data structures, dp, trees

Игра в Девятку I

*special problem, brute force, dp

Card Guessing

combinatorics, dp, probabilities

Simba on the Circle

dp

Ksenia and Combinatorics

combinatorics, dp

Magic Tricks

*special problem, dp, graphs

Masha and Cactus

dp, trees

Anti-Increasing Addicts

constructive algorithms, dp, greedy, math

Twilight and Ancient Scroll (easier version)

dp, hashing, implementation, string suffix structures, strings

Tournament Construction

constructive algorithms, dp, graphs, greedy, math

Bessie and Cards

combinatorics, dp, math

Joking (Hard Version)

dp, interactive

Pollywog

combinatorics, dp, matrices

Graph Coloring (hard version)

brute force, combinatorics, divide and conquer, dp, fft, graphs

Unambiguous Arithmetic Expression

dp, expression parsing

Smart Boy

dp, games, strings

Cowboys

combinatorics, dp, math

Madoka and Laziness

dp, greedy

Directing Edges

dfs and similar, dp, graphs, trees

Tiles

combinatorics, dp, fft, math

Andrew and Chemistry

dp, hashing, trees

Game Bundles

brute force, constructive algorithms, dp, greedy, math

Trails (Hard)

dp, matrices

Dirty Arkady's Kitchen

data structures, dp, graphs, shortest paths

Dima and Figure

dp

Chests and Keys

bitmasks, brute force, dfs and similar, dp, flows

Wilbur and Strings

dfs and similar, dp, graphs, strings

Brand New Problem

bitmasks, brute force, dp

Lesson Timetable

combinatorics, dp, math

Inverse Genealogy

constructive algorithms, divide and conquer, dp, math, trees

Uniformly Branched Trees

combinatorics, dp, trees

T-shirt

dp, greedy, probabilities

Density of subarrays

dp, math

Rhombus

brute force, data structures, dp

Donkey and Stars

data structures, dp, geometry, math, sortings

Roadside Trees

data structures, dp

Little Elephant and Retro Strings

dp

Slime and Sequences (Easy Version)

dp, fft, math

Forbidden Value

data structures, dp

Red and Black Tree

dp, implementation, math

Most Dangerous Shark

data structures, dp, two pointers

Strange Calculation and Cats

dp, matrices

Favorite Game

bitmasks, dp

Professional layer

bitmasks, dp

Xenia and String Problem

dp, hashing, implementation, string suffix structures, strings

Crime Management

dp, graphs, matrices

Delivery Oligopoly

brute force, dp, graphs

A Perfect Problem

combinatorics, dp, math

Dasha and Photos

brute force, data structures, dp, implementation

Cakes for Clones

dp

Maxim and Calculator

brute force, dp, two pointers

Letters and Question Marks

bitmasks, dp, string suffix structures

Colorful Stones

dp, two pointers

Speed Dial

dp, strings, trees

Coins Exhibition

data structures, dp, math

Igor and Interesting Numbers

brute force, combinatorics, dp, math

Keen Tree Calculation

binary search, data structures, dp, geometry, graphs, implementation, trees

Almost Sorted

bitmasks, data structures, dp

Game with Points

dp, graphs, implementation, shortest paths

Location

data structures, dp, math, number theory

Horse Races

dp, math

Prediction

combinatorics, dp, math

Magic Tree

*special problem, data structures, dp, trees

Chainword

brute force, data structures, dp, matrices, string suffix structures, strings

String and Operations

dp, greedy