Задачи

Трудно · Dynamic programming

Много лесно · Dynamic programming · Combinatorics

Лесно · Dynamic programming · Matrix

Средно · Dynamic programming

Средно · Dynamic programming · Graphs

Лесно · Strings · Combinatorics

Лесно · Matrix · Dynamic programming · Math · Dijkstra algorithm

Лесно · Dynamic programming

Лесно · Sorting

Средно · Z-function · Strings

Много лесно · Graphs

Много трудно · Graphs

Много лесно · Graphs · Graph network flows

Много лесно · Graph network flows · Shortest paths

Лесно · Brute force

Много лесно · Prefix Sums · Fenwick Tree

Трудно · String suffix structures · Sorting

Трудно · Meet-in-the-middle · Binary Search · Sorting · Greedy algorithms

Лесно · Strings · Brute force

Много трудно · Combinatorics

Средно · Brute force

Много лесно · Math · Greedy algorithms

Много лесно · Brute force

Лесно · Geometry

Средно · Data Structures · Hashing