المسائل

Hanafuda Shuffle#7023

سهل جدًا · Implementation

Red and Black#7024

سهل · Depth-first Search · Breadth-first Search

Unit Fraction Partition#7025

سهل · Dynamic programming

Circle and Points#7026

متوسط · Geometry

Water Tank#7027

سهل · Implementation

Name the Crossing#7028

سهل جدًا · Graphs · Implementation

Polyclinic#7029

سهل · Greedy algorithms

Painting#7030

صعب · Combinatorics · Graphs

Significant inversions#7031

سهل · Divide and Conquer · Sorting

Fortress#7032

صعب · Geometry

Nested Sets#7033

صعب · Dynamic programming · Bitmasks · Number theory · Combinatorics

Portals#7034

متوسط · Graphs · Shortest paths

Intersection — union#7047

صعب · Sorting · Data Structures

Numbers#7048

متوسط · Dynamic programming · Math

Alien Dictionary#7049

سهل جدًا · Binary Search · Dynamic programming

Fluorography#7050

سهل · Implementation · Prefix Sums

Symmetrical Patterns#7051

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

Cubes#7062

سهل · Dynamic programming

Chess#7064

صعب جدًا · Greedy algorithms · Graph matchings · Sorting · Scanline / Sweep Line · Binary Search

Servers#7065

سهل · Greedy algorithms

Wall#7066

صعب · Graphs · Geometry · Constructive Algorithms · Sorting

EIT#7067

سهل · Sorting · Implementation · Greedy algorithms

Let it Bead#7079

متوسط · Combinatorics · Math · Brute force

Toral Tickets#7090

متوسط · Dynamic programming · Combinatorics

Balls#7091

سهل جدًا · Greedy algorithms

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