Jordan Smiley

dfs and similar, geometry, implementation

Spiderweb Trees

dp, geometry, trees

Two Regular Polygons

geometry, greedy, math, number theory

Cow and Friend

geometry, greedy, math

Sum of Prefix Sums

data structures, divide and conquer, geometry, trees

Water Balance

data structures, geometry, greedy

Aerodynamic

geometry

Aroma's Search

brute force, constructive algorithms, geometry, greedy, implementation

New Year and Castle Construction

combinatorics, geometry, math, sortings

Divide Points

constructive algorithms, geometry, math

Shawarma Tent

brute force, geometry, greedy, implementation

Point Ordering

constructive algorithms, geometry, interactive, math

Integer Points

geometry, math

Balanced Removals (Easier)

constructive algorithms, geometry, greedy

White Sheet

geometry, math

Geolocation

geometry

Guarding warehouses

data structures, geometry

Water Lily

geometry, math

Scissors and Tape

*special problem, constructive algorithms, geometry

Geometers Anonymous Club

data structures, geometry, math, sortings

Count The Rectangles

bitmasks, brute force, data structures, geometry, sortings

Yet Another Partiton Problem

data structures, divide and conquer, dp, geometry, two pointers

Low Budget Inception

brute force, geometry

Winding polygonal line

constructive algorithms, geometry, greedy, math

Power Transmission (Easy Edition)

brute force, geometry

Power Transmission (Hard Edition)

data structures, geometry, implementation, math

Inscribed Figures

geometry

Satanic Panic

dp, geometry

U2

geometry

NN and the Optical Illusion

binary search, geometry, math

Polygon for the Angle

brute force, geometry

The Fair Nut and Rectangles

data structures, dp, geometry

Barcelonian Distance

geometry, implementation

Optimal Polygon Perimeter

dp, geometry

Rain Protection

binary search, geometry

Algoland and Berland

constructive algorithms, divide and conquer, geometry

Dwarves, Hats and Extrasensory Abilities

binary search, constructive algorithms, geometry, interactive

Make a triangle!

brute force, geometry, math

Nature Reserve

binary search, geometry, ternary search

Vasya and Triangle

geometry, number theory

Vasya and Cornfield

geometry

Say Hello

geometry

Shady Lady

geometry, math

Ancient civilizations

constructive algorithms, geometry

Cover Points

geometry, math

Covered Points

fft, geometry, number theory

Rectangles

geometry, implementation, sortings

Disjoint Triangles

geometry

Large Triangle

binary search, geometry, sortings

The Supersonic Rocket

geometry, hashing, strings

Rest In The Shades

binary search, geometry

Leaving the Bar

brute force, data structures, geometry, greedy, math, sortings

Careful Maneuvering

bitmasks, brute force, geometry

Two Squares

geometry, implementation

A Trance of Nightfall

dp, geometry, matrices, probabilities

A Shade of Moonlight

binary search, geometry, math, sortings, two pointers

Billiard

geometry, number theory

Hag's Khashba

geometry

Ghosts

geometry, math

Guard Duty (hard)

geometry

Guard Duty (easy)

brute force, geometry, greedy, math

Visible Black Areas

data structures, dsu, geometry, trees

Pair Of Lines

geometry

Astronomy

geometry, probabilities

Fifa and Fafa

geometry

Escape Through Leaf

data structures, dp, geometry

A Colourful Prospect

geometry, graphs

New Year and Curling

brute force, geometry, implementation, math

Find Extra One

geometry, implementation

Symmetric Projections

geometry

Little Brother

binary search, geometry, sortings

Lazy Security Guard

brute force, geometry, math

Lada Malina

data structures, geometry

Arpa and an exam about geometry

geometry, math

Five Dimensional Points

brute force, geometry, math

Bob and stages

dp, geometry

Tell Your World

brute force, geometry

Rooter's Song

constructive algorithms, data structures, geometry, implementation, sortings, two pointers

Gleb And Pizza

geometry

Mister B and Angle in Polygon

constructive algorithms, geometry, math

Karen and Cards

binary search, combinatorics, data structures, geometry

An overnight dance in discotheque

dfs and similar, dp, geometry, greedy, trees

Cutting Carrot

geometry, math

Cut the pie

binary search, data structures, geometry

Mice problem

geometry, implementation, math, sortings

Volatile Kite

geometry

Mages and Monsters

data structures, geometry

Bear and Isomorphic Points

geometry, two pointers

Intranet of Buses

binary search, geometry, implementation, two pointers

Sherlock's bet to Moriarty

constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees

Mahmoud and a Triangle

constructive algorithms, geometry, greedy, math, number theory, sortings

Timofey and rectangles

constructive algorithms, geometry

New Year and North Pole

geometry, implementation

Parallelogram is Back

brute force, constructive algorithms, geometry

Hongcow Draws a Circle

geometry

Cowboy Beblop at his computer

geometry

Beru-taxi

brute force, geometry, implementation

Iron Man

data structures, geometry, trees

Chris and Road

geometry, implementation

Limak and Shooting Points

brute force, geometry, math