Задачи

Лесно · Math · Number theory

Средно · Trees · Depth-first Search

Лесно · Graphs · Shortest paths

Средно · Math · Number theory

Много трудно · Brute force

Трудно · Dynamic programming · Probabilities

Много трудно · Geometry · Graph matchings · Constructive Algorithms

Лесно · Geometry

Много трудно · Geometry · Math

Средно · Two pointers · Math · Sorting

Много лесно · Implementation

Много трудно · Dynamic programming · Dynamic Programming Optimization · Prefix Sums · Combinatorics

Трудно · Number theory · Combinatorics · Bitmasks · Prime factorization

Лесно · Binary Search · Segment Tree

Много лесно · Math

Средно · Dynamic programming

Много трудно · Graphs · Greedy algorithms · Constructive Algorithms

Много лесно · Graphs

Средно · Dynamic programming · Prefix Function

Трудно · Geometry · Math

Много лесно · Greedy algorithms · Graphs

Лесно · String suffix structures · Brute force

Много лесно · Brute force · Math

Лесно · Math · Combinatorics

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