Mike and Feet

binary search, data structures, dp, dsu

Soldier and Number Game

constructive algorithms, dp, math, number theory

Writing Code

dp

Bad Luck Island

dp, probabilities

Correcting Mistakes

constructive algorithms, dp, greedy, hashing, strings, two pointers

Work Group

dfs and similar, dp, graphs, strings, trees

Clique Problem

data structures, dp, greedy, implementation, sortings

Фото на память - 2 (round version)

dp, greedy

A and B and Interesting Substrings

data structures, dp, two pointers

Ilya and Escalator

combinatorics, dp, math, probabilities

Inversions problem

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

Fox And Jumping

bitmasks, brute force, dp, math

Sums of Digits

dp, greedy, implementation

Mr. Kitayuta, the Treasure Hunter

dfs and similar, dp, two pointers

Obsessive String

dp, strings

Strip

binary search, data structures, dp, two pointers

Riding in a Lift

combinatorics, dp

Red-Green Towers

dp

Pillars

binary search, data structures, dp, sortings, trees

Flowers

dp

George and Job

dp, implementation

Number of Ways

binary search, brute force, data structures, dp, two pointers

Gargari and Permutations

dfs and similar, dp, graphs, implementation

Appleman and Tree

dfs and similar, dp, trees

Pashmak and Graph

dp, sortings

A Lot of Games

dfs and similar, dp, games, implementation, strings, trees

Little Pony and Harmony Chest

bitmasks, brute force, dp

Painting Fence

divide and conquer, dp, greedy

DZY Loves Sequences

dp, implementation, two pointers

Special Grid

brute force, dp, greedy

Prefixes and Suffixes

dp, string suffix structures, strings, two pointers

k-Tree

dp, implementation, trees

Working out

dp

Cunning Gena

bitmasks, dp, greedy, sortings

Booking System

binary search, dp, greedy, implementation

2048

bitmasks, dp

Long Path

dp, implementation

Minesweeper 1D

dp, implementation

Upgrading Array

dp, greedy, math, number theory

Roman and Numbers

bitmasks, brute force, combinatorics, dp, number theory

Diverse Substrings

dp, strings, two pointers

Bear and Prime Numbers

binary search, brute force, data structures, dp, implementation, math, number theory

New Year Letter

bitmasks, brute force, dp

Maximum Submatrix 2

data structures, dp, implementation, sortings

Inna and Sequence

binary search, data structures, dp, trees

Inna and Dima

dfs and similar, dp, graphs, implementation

Counting Rectangles is Fun

brute force, divide and conquer, dp

Dima and Salad

dp

Insertion Sort

data structures, dp, implementation, math

Levko and Array

binary search, dp

Dima and Hares

dp, greedy

Queue

constructive algorithms, dp

Jeff and Furik

combinatorics, dp, probabilities

Jeff and Rounding

dp, greedy, implementation, math

Color the Fence

data structures, dp, greedy, implementation

Lucky Common Subsequence

dp, strings

Xenia and Weights

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

Book of Evil

dfs and similar, divide and conquer, dp, trees

Palindrome

constructive algorithms, dp

Ciel and Duel

dp, flows, greedy

EKG

dfs and similar, dp

Sereja and Subsequences

data structures, dp

Yaroslav and Two Strings

combinatorics, dp

Greg and Graph

dp, graphs, shortest paths

Shaass and Bookshelf

dp, greedy

Connected Components

data structures, dfs and similar, dp, dsu

Permutation Sum

bitmasks, combinatorics, dp, implementation, meet-in-the-middle

Cow Program

dfs and similar, dp, graphs

Beautiful Decomposition

dp, games, greedy, number theory

Ladder

dp, implementation, two pointers

Little Girl and Maximum XOR

bitmasks, dp, greedy, implementation, math

Zero Tree

dfs and similar, dp, greedy, trees

Greenhouse Effect

dp

Choosing Balls

dp

Maxim and Matrix

constructive algorithms, dp, math

Maxim and Restaurant

dp, math, probabilities

Little Elephant and LCM

binary search, combinatorics, dp, math

Little Elephant and Elections

brute force, combinatorics, dp

Number Transformation

dp, greedy, number theory

Queries for Number of Palindromes

dp, hashing, strings

Let's Play Osu!

dp, math, probabilities

Fence

dp

Table

bitmasks, combinatorics, dp, math

Fractal Detector

dp, hashing

Barcode

dp, matrices

Two Strings

data structures, dp, strings

Decoding Genome

dp, matrices

Choosing Capital for Treeland

dfs and similar, dp, graphs, trees

Color Stripe

brute force, dp, greedy

Relay Race

dp

Numbers

combinatorics, dp

Multicolored Marbles

dp, math

Police Station

dp, graphs, shortest paths

Solitaire

dfs and similar, dp

Fragile Bridges

dp

Clear Symmetry

constructive algorithms, dp, math

AlgoRace

dp, shortest paths

Wooden Fence

dp

Cubes

binary search, dp, two pointers

Word Cut

dp