In Search of Truth (Hard Version)

constructive algorithms, interactive, math, probabilities

In Search of Truth (Easy Version)

constructive algorithms, interactive, math, probabilities

Decreasing Game

constructive algorithms, dfs and similar, dp, greedy, interactive

Stuck Conveyor

binary search, constructive algorithms, interactive

Fading into Fog

geometry, interactive, math, probabilities

Roads in E City

interactive, math, probabilities, trees

Sum Graph

brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees

Interview

binary search, implementation, interactive

Li Hua and Chess

constructive algorithms, greedy, interactive

Bit Guessing Game

binary search, bitmasks, constructive algorithms, interactive

Anya's Simultaneous Exhibition

constructive algorithms, graphs, greedy, interactive, sortings

Spinach Pizza

games, geometry, greedy, interactive

Library game

games, greedy, interactive, sortings

Interactive Factorial Guessing

brute force, games, implementation, interactive

Hot and Cold

binary search, interactive

Guess the String

constructive algorithms, interactive, probabilities

Doremy's Perfect DS Class (Hard Version)

binary search, interactive

Doremy's Perfect DS Class (Medium Version)

binary search, interactive

Doremy's Perfect DS Class (Easy Version)

binary search, interactive

GCD Queries

constructive algorithms, interactive, number theory

Centroid Guess

interactive, probabilities, trees

Joking (Hard Version)

dp, interactive

Joking (Easy Version)

binary search, constructive algorithms, interactive, ternary search

Connectivity Addicts

constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees

Guess the Cycle Size

interactive, probabilities

Matching Reduction

brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive

Crop Squares

constructive algorithms, geometry, interactive, math

Tournament Countdown

constructive algorithms, greedy, interactive, number theory, probabilities

Mark and the Online Exam

bitmasks, constructive algorithms, interactive, probabilities

Fixed Point Guessing

binary search, constructive algorithms, interactive

Guess The String

binary search, constructive algorithms, interactive

Railway System

constructive algorithms, graphs, greedy, interactive, sortings

Anti-Theft Road Planning

bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math

notepad.exe

binary search, constructive algorithms, greedy, interactive

Interactive Treasure Hunt

brute force, constructive algorithms, geometry, interactive, math

GCD Guess

bitmasks, chinese remainder theorem, constructive algorithms, games, interactive, math, number theory

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Treasure Hunt

graphs, interactive

Finding Zero

constructive algorithms, interactive, math

Perfect Matching

data structures, divide and conquer, interactive, trees

Grid Xor

constructive algorithms, greedy, implementation, interactive, math

Interacdive Problem

binary search, constructive algorithms, interactive

Hidden Permutations

dfs and similar, interactive, math

Too Many Impostors (hard version)

constructive algorithms, implementation, interactive, math

Too Many Impostors (easy version)

constructive algorithms, implementation, interactive

Hidden Fortress

interactive, math

Hemose in ICPC ?

binary search, dfs and similar, implementation, interactive, math, number theory, trees

Guess the Permutation

binary search, combinatorics, interactive, math

Omkar and the Meaning of Life

constructive algorithms, greedy, interactive

The Mind

constructive algorithms, interactive, probabilities

Interactive Rays

geometry, interactive

Xor-quiz

constructive algorithms, dp, interactive, math, number theory

Tubular Bells

interactive, math, number theory, probabilities

Assiut Chess

brute force, constructive algorithms, interactive

Take a Guess

bitmasks, constructive algorithms, interactive, math

Guess the Perimeter

binary search, interactive, number theory

AquaMoon and Stolen String

interactive, math

AquaMoon and Wrong Coordinate

constructive algorithms, interactive, math

RPD and Rap Sheet (Hard Version)

brute force, constructive algorithms, interactive, math

RPD and Rap Sheet (Easy Version)

bitmasks, constructive algorithms, interactive, math

Gold Transfer

binary search, data structures, dp, greedy, interactive, trees

Lost Nodes

constructive algorithms, dp, graphs, interactive, sortings, trees

Lost Array

graphs, greedy, interactive, shortest paths

Lost Tree

constructive algorithms, interactive, trees

Median Queries

constructive algorithms, interactive, probabilities

Nastia and a Hidden Permutation

constructive algorithms, interactive

Guess the K-th Zero (Hard version)

binary search, constructive algorithms, data structures, interactive

Guess the K-th Zero (Easy version)

binary search, interactive

Baby Ehab's Hyper Apartment

binary search, graphs, interactive, sortings, two pointers

Is It Rated?

greedy, interactive, math, probabilities

Is it rated - 2

*special problem, implementation, interactive

3-Coloring

constructive algorithms, games, interactive

Graph Coloring

data structures, graphs, interactive

Two Houses

brute force, graphs, greedy, interactive, sortings

Enchanted Matrix

bitmasks, interactive, number theory

Magnets

binary search, constructive algorithms, interactive

Guessing the Greatest (hard version)

binary search, interactive

Guessing the Greatest (easy version)

binary search, interactive

Vabank

binary search, interactive

Searching Local Minimum

binary search, interactive, ternary search

Strange Shuffle

binary search, brute force, constructive algorithms, interactive

The Riddle of the Sphinx

binary search, data structures, data structures, interactive

Bitwise Queries (Hard Version)

bitmasks, constructive algorithms, interactive, math

Bitwise Queries (Easy Version)

bitmasks, constructive algorithms, interactive, math

Finding the Vertex

brute force, dfs and similar, dp, interactive, trees

Differentiating Games

games, interactive

Olha and Igor

interactive, probabilities, trees

Rotary Laser Lock

binary search, interactive

Flamingoes of Mystery

interactive

Milutin's Plums

interactive

Chocolate Bunny

constructive algorithms, interactive, math, two pointers