Plane of Tanks: Duel

brute force, dp, math, probabilities

Robot Bicorn Attack

brute force, implementation

Spiral Maximum

brute force, dp

Phone Code

*special problem, brute force, implementation

ucyhf

*special problem, brute force, implementation, number theory

Broken checker

*special problem, brute force

Compatible Numbers

bitmasks, brute force, dfs and similar, dp

Another Problem on Strings

binary search, brute force, dp, math, strings, two pointers

Minimum Diameter

binary search, brute force

Large Refrigerator

brute force

Polycarpus the Safecracker

brute force, dp

Dress'em in Vests!

binary search, brute force, greedy, two pointers

Palindrome pairs

*special problem, brute force, dp, strings

String Manipulation 1.0

*special problem, binary search, brute force, data structures, strings

Ice Sculptures

*special problem, brute force, number theory

Game Outcome

brute force

Mrs. Hudson's Pancakes

brute force, dp

Message

brute force

I_love_\%username\%

brute force

Frames

brute force

Lucky Mask

brute force, implementation

Help Vasilisa the Wise 2

brute force, math

Help Caretaker

brute force, dp

Help Farmer

brute force, math

New Year Cards

brute force, greedy, implementation

Hellish Constraints

brute force, dp, two pointers

Cycle

brute force, dfs and similar, implementation

Rectangle and Square

brute force, geometry, math

Pairs of Numbers

brute force, dfs and similar, math, number theory

Average Numbers

brute force, implementation

Students and Shoelaces

brute force, dfs and similar, graphs, implementation

String

brute force, constructive algorithms, hashing, implementation, string suffix structures, strings

Pills

brute force, flows

Hot Bath

binary search, brute force, math

Permutations

brute force, combinatorics, implementation

Lucky Substring

brute force, implementation

Lucky Division

brute force, number theory

Lucky Permutation

brute force, combinatorics, number theory

Three Sons

brute force

Elevator

brute force, implementation, math

Fancy Number

brute force, greedy, sortings, strings

Very Interesting Game

brute force, number theory

PFAST Inc.

bitmasks, brute force, graphs

Double Happiness

brute force, math, number theory

Petr#

brute force, data structures, hashing, strings

Lucky Interval

brute force, math

Lucky Probability

brute force, probabilities

Lucky Sum of Digits

brute force, implementation

Treasure Island

brute force, implementation

Choosing Laptop

brute force, implementation

Lift and Throw

brute force

Entertaining Geodetics

brute force, dsu, implementation

Item World

brute force, implementation, sortings

Dark Assembly

brute force, probabilities

Time to Raid Cowavans

brute force, data structures, sortings

Clothes

brute force

Help Victoria the Wise

brute force, implementation

Robot in Basement

bitmasks, brute force, implementation

Domino

brute force, implementation

Lucky Numbers (easy)

binary search, bitmasks, brute force

Azembler

brute force, implementation

Chip Play

brute force, data structures, implementation

Chord

brute force, implementation

Long sequence

brute force, math, matrices

Sum of Medians

binary search, brute force, data structures, implementation

Panoramix's Prediction

brute force

Heroes

brute force, implementation

Plane of Tanks

brute force, geometry

Ali goes shopping

*special problem, brute force, strings

Solitaire

brute force, implementation

Synchrophasotron

brute force

Petya and Countryside

brute force, implementation

Harry Potter and the Sorting Hat

brute force, dfs and similar, hashing

Harry Potter and the History of Magic

brute force, greedy, implementation

Prime Segment

*special problem, brute force, math, number theory

Bulls and Cows

brute force, implementation

Savior

brute force, dsu, math

Mushroom Strife

brute force, dfs and similar

Trees

brute force

Smallest number

brute force

Writing a Song

brute force, dp, strings

Game

brute force, dp, implementation

Land Lot

brute force, implementation

Safe

brute force

Triangular numbers

brute force, math

Ball Game

brute force, implementation

Toys

brute force, combinatorics

Race

brute force, implementation, two pointers

Journey

brute force, constructive algorithms, implementation

Safe cracking

brute force, constructive algorithms

Martian Dollar

brute force

Blinds

brute force

Chess

brute force, implementation, math

Fire Again

brute force, dfs and similar, shortest paths

Collisions

brute force, implementation, math

Reconnaissance

brute force

Accounting

brute force, math

Spit Problem

brute force

Number With The Given Amount Of Divisors

brute force, dp, number theory

Tournament

bitmasks, brute force, dfs and similar, greedy