Hello, following my previous blog, I'm adding the new problems I found interesting/teaching, so let's get into the problems
1549C - Web of Lies
553A - Kyoya and Colored Balls
333D - Characteristics of Rectangles
1873E - Building an Aquarium
1873H - Mad City
363D - Renting Bikes
358D - Dima and Hares
1624D - Palindromes Coloring
1928C - Physical Education Lesson
1918E - ace5 and Task Order
1834D - Survey in Class
1931F - Chat Screenshots
1931D - Divisible Pairs
1931G - One-Dimensional Puzzle
343C - Read Time
551C - GukiZ hates Boxes
1904D1 - Set To Max (Easy Version)
1904D2 - Set To Max (Hard Version)
1705D - Mark and Lightbulbs
1930C - Lexicographically Largest
1930D1 - Sum over all Substrings (Easy Version)
1930D2 - Sum over all Substrings (Hard Version)
1932C - LR-remainders
1926G - Vlad and Trouble at MIT
20A - BerOS file system
782B - The Meeting Place Cannot Be Changed
573B - Bear and Blocks
965D - Single-use Stones
1629D - Peculiar Movie Preferences
1923C - Find B
1251D - Salary Changing
1923D - Slimes
378C - Maze
1933E - Turtle vs. Rabbit Race: Optimal Trainings
1930E - 2..3...4.... Wonderful! Wonderful!
1272D - Remove One Element
1909B - Make Almost Equal With Mod
1909C - Heavy Intervals
1909D - Split Plus K
1909F1 - Small Permutation Problem (Easy Version)
480C - Riding in a Lift
380C - Sereja and Brackets
1365D - Solve The Maze
607B - Zuma
1941G - Rudolf and Subway
1077D - Cutting Out
1610C - Keshi Is Throwing a Party
1856C - To Become Max
1862F - Magic Will Save the World
1948D - Tandem Repeats?
1462E1 - Close Tuples (easy version)
1462E2 - Close Tuples (hard version)
237C - Primes on Interval
231C - To Add or Not to Add
1061C - Multiplicity
1486C1 - Guessing the Greatest (easy version)
1486C2 - Guessing the Greatest (hard version)