Lomsat gelral

data structures, dfs and similar, dsu, trees

The Child and Sequence

data structures, math

A Simple Task

data structures, sortings, strings

Legacy

data structures, graphs, shortest paths

Dominant Indices

data structures, dsu, trees

Physical Education Lessons

data structures, implementation, sortings

Xor-MST

bitmasks, constructive algorithms, data structures

Sasha and Array

data structures, math, matrices

Almost Triple Deletions

data structures, dp, greedy

Minimal Labels

data structures, dfs and similar, graphs, greedy

Centroids

data structures, dfs and similar, dp, graphs, greedy, trees

Trains and Statistic

data structures, dp, greedy

Trees of Tranquillity

data structures, dfs and similar, greedy, trees

Dogeforces

constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees

Fixed Point Removal

binary search, constructive algorithms, data structures, greedy, two pointers

388535 (Hard Version)

bitmasks, brute force, data structures, math

MEX Queries

binary search, data structures, trees

Qpwoeirut and Vertices

binary search, data structures, dfs and similar, divide and conquer, dsu, greedy, trees

Pattern Matching

bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings

Removing Leaves

data structures, greedy, implementation, trees

Envy

data structures, dsu, graphs

Pairwise Modulo

data structures, math

Voting (Easy Version)

data structures, dp, greedy

Happy Life in University

data structures, dfs and similar, greedy, trees

Drazil and Park

data structures

MEX of LCM

binary search, data structures, implementation, math, number theory

Game of the Year

brute force, data structures, math, number theory

Wine Factory (Easy Version)

data structures, greedy

Arithmetic Operations

brute force, data structures, graphs, math

Mark and Professor Koro

binary search, bitmasks, brute force, combinatorics, data structures, greedy

Binary Spiders

bitmasks, data structures, implementation, math, sortings, trees

Optimal Insertion

data structures, divide and conquer, dp, greedy, sortings

Sum of Medians

binary search, brute force, data structures, implementation

Merging Towers

data structures, dsu, implementation, trees

Boxes And Balls

data structures, greedy

Multidimensional Queries

bitmasks, data structures

Colors and Intervals

constructive algorithms, data structures, greedy, sortings

Number of Groups

data structures, dfs and similar, dsu, graphs, greedy, sortings

Leaving the Bar

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

New School

binary search, data structures, dp, greedy, implementation, sortings

Company

binary search, data structures, dfs and similar, greedy, trees

Yet Another Array Counting Problem

binary search, data structures, divide and conquer, dp, flows, math, trees

K Integers

binary search, data structures

Delete a Segment

brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers

Subtree Minimum Query

data structures, trees

Red-Black Pepper

brute force, data structures, greedy, math, number theory

Alice and the Doll

brute force, data structures, greedy, implementation

Sum Queries?

data structures, greedy, implementation, math

Yet Another Inversions Problem

combinatorics, data structures, dp, implementation, math, number theory

Ann and Books

data structures, flows, hashing

Sasha and the Wedding Binary Search Tree

brute force, combinatorics, data structures, dfs and similar, math, trees

Yet Another Segments Subset

data structures, dp, graphs, sortings

Unique Occurrences

data structures, dfs and similar, divide and conquer, dp, dsu, trees

Animal Observation (easy version)

data structures, dp

Vanya and Treasure

data structures, dp, graphs, shortest paths

Tenzing and Triangle

data structures, dp, geometry, greedy, math

There Should Be a Lot of Maximums

brute force, data structures, dfs and similar, dp, trees, two pointers

Max to the Right of Min

binary search, data structures, divide and conquer, dp, dsu, two pointers

Beautiful Rectangle

brute force, combinatorics, constructive algorithms, data structures, greedy, math

Paint Charges

data structures, dp, greedy, math

Omsk Metro (hard version)

data structures, dfs and similar, divide and conquer, dp, math, trees

Culture Code

binary search, combinatorics, data structures, dp, shortest paths, sortings

Infinite Card Game

binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers

Scalar Queries

combinatorics, data structures, math, sortings

Vika and Segments

constructive algorithms, data structures, geometry, two pointers

Intersection and Union

data structures, dp, matrices, probabilities

New Year Domino

data structures, dp, dsu

Sereja and Squares

binary search, data structures, hashing

Three Chairs

bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings

Queue in the Train

data structures, greedy, implementation

Exotic Queries

data structures, implementation, sortings

Periodic RMQ Problem

data structures

Rectangle Shrinking

binary search, brute force, data structures, greedy, implementation, two pointers

Chain Chips

data structures, dp, matrices

Game with Stones

binary search, data structures, games, greedy

Light Bulbs (Hard Version)

combinatorics, data structures, dfs and similar, dp, graphs, hashing

Bamboo Partition

brute force, data structures, implementation, math, number theory, sortings, two pointers

Li Hua and Array

brute force, data structures, dsu, math, number theory, two pointers

Bipartite Segments

binary search, data structures, dfs and similar, dsu, graphs, two pointers

Decomposition

binary search, brute force, data structures, divide and conquer, dp, two pointers

Games on a CD

data structures, hashing, string suffix structures, strings

Guess Your Way Out! II

data structures, implementation, sortings

wxhtzdy ORO Tree

binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees

New Passenger Trams

binary search, brute force, data structures, sortings, two pointers

Ann and Half-Palindrome

data structures, dp, graphs, string suffix structures, strings, trees

Teams Formation

data structures, implementation

Famil Door and Roads

combinatorics, data structures, dfs and similar, dp, probabilities, trees

Eyes Closed

data structures, probabilities

Graph Traveler

brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory

Similar Sets

data structures, graphs, implementation

Sereja and Two Sequences

data structures, dp

Illusions of the Desert

data structures, trees

Zbazi in Zeydabad

data structures, implementation

Timetable

constructive algorithms, data structures, greedy, math

Alex and Complicated Task

data structures, dp, greedy

Mashmokh and Water Tanks

binary search, data structures, greedy, trees, two pointers

Queue

data structures

Chip Play

brute force, data structures, implementation

Tourist

binary search, data structures, dp

Biathlon Track

binary search, brute force, constructive algorithms, data structures, dp