Задачи

Паліндром#11018

Многу лесно · Brute force

Оптимальні підпослідовності#11020

Многу тешко · Dynamic programming · Prefix Sums

International Olympiad#11021

Многу лесно · Implementation

Пін-код#11022

Многу лесно · Brute force

Круті числа#11023

Лесно · Math

Порядок#11025

Многу лесно · Implementation

Середнє#11026

Средно · Prefix Sums · Binary Search

Great fight#11030

Тешко · Data Structures · Fenwick Tree · Segment Tree · Greedy algorithms

Mysterious ritual#11031

Средно · Number theory · Strings

Painting#11032

Тешко · Segment Tree · Range queries · Prefix Sums

Lumberjack villages#11033

Многу тешко · Dynamic programming · Trees · Depth-first Search · Greedy algorithms · Data Structures

Table of results#11034

Многу лесно · Implementation

Ralph and arithmetic#11035

Средно · Implementation

Bit automaton#11036

Лесно · Brute force · Bitwise Operations

Coins#11037

Средно · Math · Number theory

Delivery#11038

Многу лесно · Brute force

Drone destruction#11039

Многу лесно · Sorting

Candy in the maze#11040

Лесно · Graphs · Binary Search

Passwords#11041

Лесно · Strings · Prefix Function

Marriage#11053

Тешко · Greedy algorithms · Sorting · Data Structures · Constructive Algorithms

Random tree#11054

Многу тешко · Trees · Combinatorics · Math · Dynamic programming

Game with a tree#11055

Многу тешко · String suffix structures · Hashing · Data Structures · Trees · Strings

Festive Sugar Modulus Calculations#11056

Тешко · Constructive Algorithms · Bitwise Operations

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