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Hanafuda Shuffle#7023

Örän ýeňil · Implementation

Red and Black#7024

Ýeňil · Depth-first Search · Breadth-first Search

Unit Fraction Partition#7025

Ýeňil · Dynamic programming

Circle and Points#7026

Orta · Geometry

Water Tank#7027

Ýeňil · Implementation

Name the Crossing#7028

Örän ýeňil · Graphs · Implementation

Polyclinic#7029

Ýeňil · Greedy algorithms

Painting#7030

Kyn · Combinatorics · Graphs

Significant inversions#7031

Ýeňil · Divide and Conquer · Sorting

Fortress#7032

Kyn · Geometry

Nested Sets#7033

Kyn · Dynamic programming · Bitmasks · Number theory · Combinatorics

Portals#7034

Orta · Graphs · Shortest paths

Intersection — union#7047

Kyn · Sorting · Data Structures

Numbers#7048

Orta · Dynamic programming · Math

Alien Dictionary#7049

Örän ýeňil · Binary Search · Dynamic programming

Fluorography#7050

Ýeňil · Implementation · Prefix Sums

Symmetrical Patterns#7051

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

Cubes#7062

Ýeňil · Dynamic programming

Chess#7064

Örän kyn · Greedy algorithms · Graph matchings · Sorting · Scanline / Sweep Line · Binary Search

Servers#7065

Ýeňil · Greedy algorithms

Wall#7066

Kyn · Graphs · Geometry · Constructive Algorithms · Sorting

EIT#7067

Ýeňil · Sorting · Implementation · Greedy algorithms

Let it Bead#7079

Orta · Combinatorics · Math · Brute force

Toral Tickets#7090

Orta · Dynamic programming · Combinatorics

Balls#7091

Örän ýeňil · Greedy algorithms

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