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Four segments#2045

Kyn · Geometry

y =| cos(2x)|#2046

Orta · Implementation

Almost Union-Find#2047

Orta · Disjoint set union · Implementation

Broken Keyboard (a.k.a. Beiju Text)#2048

Örän ýeňil · Implementation

Cake Cutting#2049

Örän kyn · Geometry · Implementation

Dynamic Inversion#2050

Örän ýeňil · Sorting · Suffix Array · Prefix Sums

Easy Problem from Rujia Liu?#2051

Ýeňil · Data Structures · Sorting

Fast Matrix Operations#2052

Örän ýeňil · Implementation

Girls' Celebration#2053

Örän kyn · Data Structures · Combinatorics · Trees

Happy Painting!#2054

Örän kyn · Data Structures · Trees · Bitwise Operations

I Can Guess the Data Structure!#2055

Örän ýeňil · Priority Queue

Jewel Magic#2056

Örän ýeňil · Data Structures · String suffix structures

K Smallest Sums#2057

Örän ýeňil · Sorting · Priority Queue

Rujia Liu loves Wario Land!#2058

Örän kyn · Data Structures · Trees · Queries · Combinatorics

Lake with lilies#2059

Örän ýeňil · Math

Tale about an apple#2060

Örän ýeňil · Math

Young Programmers#2061

Ýeňil · Math · Implementation

Lilavati#2062

Kyn · Math · Brute force

Vasya's arithmetic#2063

Ýeňil · Math · Implementation

Vasya's Arithmetic 2#2064

Ýeňil · Math · Implementation

Vasya and prime numbers#2065

Ýeňil · Prime factorization · Range queries

Vasya's triangles#2066

Örän ýeňil · Geometry

Gemini#2067

Örän ýeňil · Probabilities

Smart dog#2068

Ýeňil · Implementation

Vasyas tickets#2069

Kyn · Math · Brute force

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