Задачи

Много лесно · Graphs

Средно · Brute force · Implementation

Лесно · Dynamic programming

Много лесно · Brute force · Strings

Лесно · Geometry

Лесно · Graphs · Dynamic programming

Трудно · Graph network flows · Greedy algorithms

Средно · Trees · Depth-first Search

Лесно · Sorting

Лесно · Graphs · Greedy algorithms

Лесно · Dynamic programming

Много лесно · Implementation

Средно · Combinatorics · Number theory · Prime factorization

Много лесно · Graphs

Много лесно · Data Structures · Implementation · Prefix Sums

Трудно · Dynamic programming · Bitmasks

Средно · Breadth-first Search · Shortest paths · Graphs

Много трудно · 2-SAT · Depth-first Search · Graphs

Много лесно · Graph matchings

Много трудно · Implementation · Strings

Много лесно · Binary Search

Трудно · Graphs · Disjoint set union · Depth-first Search

Много лесно · Dynamic programming · Math · Combinatorics

Много лесно · Greedy algorithms · Implementation

Много лесно · Implementation