Задачи

Лесно · Brute force · Greedy algorithms

Средно · Greedy algorithms · Sorting · Prefix Sums

Многу тешко · Dynamic programming · Depth-first Search · Trees · Strings

Многу тешко · Graphs · Depth-first Search · Dynamic programming · Bitsets

Тешко · Combinatorics · Greedy algorithms · Sorting · Trees · Math

Многу лесно · Math

Лесно · Number theory · Greedy algorithms

Средно · Greedy algorithms · Sorting

Средно · Prefix Sums · Bitwise Operations · Math

Тешко · Combinatorics · Number theory · Hashing

Лесно · Sorting · Greedy algorithms

Средно · Number theory · Math

Лесно · Binary Search · Math · Number theory

Тешко · Greedy algorithms · Bitmasks · Bitwise Operations

Тешко · Fast Fourier transform · Number theory · Combinatorics · Prefix Sums

Средно · Greedy algorithms · Sorting

Тешко · Bitwise Operations · Two pointers · Binary Search

Тешко · Greedy algorithms · Hashing · Prefix Sums · Sorting

Многу тешко · Dynamic programming · Math · Number theory · Probabilities

Тешко · Hashing · Strings · Combinatorics · Number theory

Лесно · Prefix Sums

Тешко · Constructive Algorithms · Greedy algorithms · Math

Средно · Combinatorics · Number theory · Graphs

Тешко · Combinatorics · Number theory · Prefix Sums · Math

Тешко · Disjoint set union · Graphs · Constructive Algorithms · Greedy algorithms