Viruses

*special problem, dp, shortest paths, string suffix structures

Village (Maximum)

*special problem, dfs and similar, trees

Village (Minimum)

*special problem, dp, greedy, trees

Graph

*special problem, binary search, dfs and similar, dp, math, ternary search

Joker

*special problem, bitmasks, data structures, divide and conquer, dsu

Mixture

*special problem, data structures, geometry, math, sortings

Colors

*special problem, binary search, constructive algorithms, interactive

Root of quantum Fourier transform

*special problem

Power of quantum Fourier transform

*special problem

Quantum Classification - Dataset 7

*special problem

Quantum Classification - Dataset 6

*special problem

Quantum Classification - Dataset 5

*special problem

Quantum Classification - Dataset 4

*special problem

Quantum Classification - Dataset 3

*special problem

Prepare superposition of basis states with the same parity

*special problem

Prepare superposition of basis states with 0s

*special problem

"Is the number divisible by 3?" oracle

*special problem

"Is the bit string balanced?" oracle

*special problem

Distinguish Y, XZ, -Y and -XZ

*special problem

Distinguish four Pauli gates

*special problem

Distinguish Rz(θ) from Ry(θ)

*special problem

Distinguish Rz from R1

*special problem

Distinguish H from X

*special problem

Distinguish I, CNOTs and SWAP

*special problem

Figure out direction of CNOT

*special problem

Quantum Classification - 2

*special problem

Quantum Classification - 1

*special problem

Prepare state |01⟩ + |10⟩ + |11⟩

*special problem

Decrement

*special problem

Increment

*special problem

Distinguish Z from -Z

*special problem

Distinguish I ⊗ X from CNOT

*special problem

Distinguish Z from S

*special problem

Distinguish I from Z

*special problem

Distinguish I from X

*special problem

Pac-Man 2.0

*special problem, dp

Game with Segments

*special problem, data structures, games

Two IP Cameras

*special problem, math, number theory

Dune II: Battle For Arrakis

*special problem, data structures, greedy, math

Magic Tricks

*special problem, dp, graphs

Constructing the Dungeon

*special problem, graphs, greedy

Spring Cleaning

*special problem, greedy, sortings

Boot Camp

*special problem, greedy

Color Revolution

*special problem, math

It's showtime

*special problem

Lingua Romana

*special problem

Elementary!

*special problem, brute force, dp, strings

Jordan Smiley

*special problem, dfs and similar, geometry, implementation

Again?

*special problem, implementation

...And after happily lived ever they

*special problem, bitmasks

Limericks

*special problem, math, number theory

Is it rated?

*special problem

Falling Blocks

*special problem, data structures

Paint the String

*special problem, dp, strings

M-numbers

*special problem, dp, math

Movie Fan

*special problem, data structures, greedy, implementation, sortings

Modernization of Treeland

*special problem, dfs and similar, trees

Bonus Distribution

*special problem, binary search, greedy, sortings

Dream Team

*special problem, greedy

Cartoons

*special problem, implementation, sortings

Likes Display

*special problem, implementation

Шардирование постов

*special problem, binary search, interactive

Контрольная сумма

*special problem

Контрольная сумма

*special problem

Контрольная сумма

*special problem

Storage2

*special problem

#define Задача B ...

*special problem

Code Review

*special problem

Скрытый друг

*special problem

Unusual Graph

*special problem, graphs

Road Repair in Treeland

*special problem, binary search, dp, trees

King's Path

*special problem, math, trees

kotlinkotlinkotlinkotlin...

*special problem, graphs, implementation, strings

Double Permutation Inc.

*special problem, binary search, greedy

Teams

*special problem, binary search, greedy, math

Ice Cream

*special problem, greedy, sortings

Traveling Around the Golden Ring of Berland

*special problem, implementation

Three Problems

*special problem, implementation

Scissors and Tape

*special problem, constructive algorithms, geometry

Magic Tree

*special problem, data structures, dp, trees

Amusement Park

*special problem, dp, math

Cubeword

*special problem, brute force, dp, meet-in-the-middle

Dynamic Diameter

*special problem, data structures, dfs and similar, divide and conquer, trees

Building Skyscrapers

*special problem

Good Subsets

*special problem, dp

Longest Saw

*special problem, constructive algorithms

Graph Decomposition

*special problem, graphs

Wheels

*special problem, binary search, greedy

Sliding Doors

*special problem, binary search

Decoding of Integer Sequences

*special problem, data structures, implementation

Minus and Minus Give Plus

*special problem, implementation, strings

Bad Days

*special problem, implementation

Three Integers Again

*special problem, math

Collaboration

*special problem

AI Takeover

*special problem, interactive

Neat Words

*special problem

Pigeon d'Or

*special problem, implementation

Kanban Numbers

*special problem, brute force

Thanos Sort

*special problem, implementation

Hessenberg matrix

*special problem