An impassioned circulation of affection

brute force, dp, strings, two pointers

Alyona and Spreadsheet

binary search, data structures, dp, greedy, implementation, two pointers

Round Table Knights

dp, math, number theory

Dasha and Password

brute force, dp, implementation

Bear and Blocks

binary search, data structures, dp, math

Decorate Apple Tree

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

Little Elephant and Interval

binary search, combinatorics, dp

Did you mean...

dp, greedy, implementation

Permutation Game

brute force, dp, games

Weather

dp, implementation

Anton and Making Potions

binary search, dp, greedy, two pointers

Pie Rules

dp, games

Arpa's weak amphitheater and Mehrdad's valuable Hoses

dfs and similar, dp, dsu

Sagheer, the Hausmeister

bitmasks, brute force, dp

Longtail Hedgehog

dp, graphs

Maximum Submatrix 2

data structures, dp, implementation, sortings

Bear and Compressing

brute force, dfs and similar, dp, strings

Anfisa the Monkey

dp

Restaurant

dp, greedy, sortings

Almost Arithmetical Progression

brute force, dp

Qualification Rounds

bitmasks, brute force, constructive algorithms, dp

Palindrome pairs

*special problem, brute force, dp, strings

Bargaining Table

brute force, dp

Dynasty Puzzles

dp

Clique in the Divisibility Graph

dp, math, number theory

Spiders

dp, greedy, trees

Travel Card

binary search, dp

Basketball Team

combinatorics, dp, math, probabilities

Elimination

dp, implementation, math

Chat

*special problem, dp

Multicolored Marbles

dp, math

File List

dp, greedy, implementation

Running with Obstacles

*special problem, data structures, dp, greedy

Cinema Cashier

dp, implementation

IT Restaurants

dfs and similar, dp, trees

EKG

dfs and similar, dp

Train

dp, games, greedy

Подкрутка II

*special problem, dp