Задачи

Многу тешко · Dynamic programming · Fast Fourier transform · Combinatorics · Math

Лесно · Brute force

Лесно · Math · Greedy algorithms

Тешко · Breadth-first Search · Graphs · Shortest paths

Тешко · Greedy algorithms · Prefix Sums · Binary Search · Sorting

Тешко · Number theory · Greedy algorithms · Math

Средно · Strings

Тешко · Constructive Algorithms · Greedy algorithms · Math

Многу тешко · Greedy algorithms · Sorting · Prefix Sums · Combinatorics

Многу тешко · Number theory · Prime factorization · Sparse Table · Range queries · Greedy algorithms

Многу тешко · Number theory · Prefix Sums · Queries · Prime factorization · Data Structures

Средно · Number theory

Многу лесно · For Beginners

Лесно · Brute force · Sorting · Implementation

Средно · Math · Number theory

Лесно · Brute force

Средно · Binary Search · Bitwise Operations · Brute force

Средно · Number theory · Hashing · Combinatorics

Лесно · Number theory · Math

Лесно · Bitmasks · Number theory · Combinatorics

Средно · Math · Binary Search · Brute force

Тешко · Trees · Depth-first Search · Graphs · Dynamic programming

Многу тешко · Greedy algorithms · Data Structures · Segment Tree · Fenwick Tree · Sorting

Лесно · Bitmasks · Brute force

Тешко · Constructive Algorithms