Задачи

Лесно · Sorting

Лесно · Math · Brute force

Лесно · Brute force · Sorting

Лесно · Dynamic programming

Много трудно · Dynamic programming

Лесно · Greedy algorithms · String suffix structures

Много трудно · Brute force · Math

Средно · Number theory · Prefix Sums · Prime factorization

Лесно · Sorting · Hashing

Много трудно · Dynamic programming · Divide and Conquer · Data Structures · Bitmasks

Трудно · Geometry · Binary Search

Средно · Graphs · Shortest paths

Много лесно · Math

Трудно · Dynamic programming · Combinatorics · Trees

Много трудно · Graphs · Number theory · Depth-first Search · Dynamic programming · Binary Search · Prefix Sums · Data Structures

Много трудно · Segment Tree · Data Structures

Трудно · Breadth-first Search · Graphs · Binary Search

Много трудно · Dynamic programming · Graphs · Breadth-first Search · Dijkstra algorithm · Shortest paths

Трудно · Binary Search · Hashing · Strings

Трудно · Greedy algorithms · Sorting · Data Structures

Много трудно · Constructive Algorithms · Graphs · Breadth-first Search · Disjoint set union

Лесно · Graphs

Много лесно · Implementation

Много лесно · Brute force

Много лесно · Brute force · Implementation