Задачи

Hanafuda Shuffle#7023

Много лесно · Implementation

Red and Black#7024

Лесно · Depth-first Search · Breadth-first Search

Unit Fraction Partition#7025

Лесно · Dynamic programming

Circle and Points#7026

Средно · Geometry

Water Tank#7027

Лесно · Implementation

Name the Crossing#7028

Много лесно · Graphs · Implementation

Polyclinic#7029

Лесно · Greedy algorithms

Painting#7030

Трудно · Combinatorics · Graphs

Significant inversions#7031

Лесно · Divide and Conquer · Sorting

Fortress#7032

Трудно · Geometry

Nested Sets#7033

Трудно · Dynamic programming · Bitmasks · Number theory · Combinatorics

Portals#7034

Средно · Graphs · Shortest paths

Intersection — union#7047

Трудно · Sorting · Data Structures

Numbers#7048

Средно · Dynamic programming · Math

Alien Dictionary#7049

Много лесно · Binary Search · Dynamic programming

Fluorography#7050

Лесно · Implementation · Prefix Sums

Symmetrical Patterns#7051

Средно · Greedy algorithms · Two pointers · Prefix Sums · Math

Cubes#7062

Лесно · Dynamic programming

Chess#7064

Много трудно · Greedy algorithms · Graph matchings · Sorting · Scanline / Sweep Line · Binary Search

Servers#7065

Лесно · Greedy algorithms

Wall#7066

Трудно · Graphs · Geometry · Constructive Algorithms · Sorting

EIT#7067

Лесно · Sorting · Implementation · Greedy algorithms

Let it Bead#7079

Средно · Combinatorics · Math · Brute force

Toral Tickets#7090

Средно · Dynamic programming · Combinatorics

Balls#7091

Много лесно · Greedy algorithms

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