Covered Path

dp, greedy, math

Mr. Kitayuta's Colorful Graph

dfs and similar, dp, dsu, graphs

Given Length and Sum of Digits...

dp, greedy, implementation

Dreamoon and WiFi

bitmasks, brute force, combinatorics, dp, math, probabilities

Boredom

dp

DZY Loves Sequences

dp, implementation, two pointers

k-Tree

dp, implementation, trees

Working out

dp

Elimination

dp, implementation, math

Booking System

binary search, dp, greedy, implementation

Art Union

brute force, dp, implementation

Mashmokh and ACM

combinatorics, dp, number theory

Long Path

dp, implementation

Maximum Submatrix 2

data structures, dp, implementation, sortings

Permutation

constructive algorithms, dp, math

Bubble Sort Graph

binary search, data structures, dp

Maximum Absurdity

data structures, dp, implementation

EKG

dfs and similar, dp

Polo the Penguin and Matrix

brute force, dp, implementation, sortings, ternary search

Good Sequences

dp, number theory

Almost Arithmetical Progression

brute force, dp

Physics Practical

binary search, dp, sortings, two pointers

Weather

dp, implementation

Color Stripe

brute force, dp, greedy

IT Restaurants

dfs and similar, dp, trees

Multicolored Marbles

dp, math

Little Elephant and Interval

binary search, combinatorics, dp

Dynasty Puzzles

dp

Cut Ribbon

brute force, dp

Letter

dp

File List

dp, greedy, implementation

Tetrahedron

dp, math, matrices

Another Problem on Strings

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

Palindrome pairs

*special problem, brute force, dp, strings

Spiders

dp, greedy, trees

Basketball Team

combinatorics, dp, math, probabilities

Train

dp, games, greedy

Round Table Knights

dp, math, number theory

Anfisa the Monkey

dp

Bargaining Table

brute force, dp

Cinema Cashier

dp, implementation