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387-C George and Number
greedy implementation
1700
387-B George and Round
brute force greedy two pointers
1200
387-A George and Sleep
implementation
900
386-D Game with Points
dp graphs implementation +1
2100
386-C Diverse Substrings
dp strings two pointers
2000
386-B Fly, freebies, fly!
binary search brute force implementation
1400
386-A Second-Price Auction
implementation
800
385-E Bear in the Field
math matrices
2300
385-D Bear and Floodlight
bitmasks dp geometry
2200
385-C Bear and Prime Numbers
binary search brute force data structures +4
1700
385-B Bear and Strings
brute force greedy implementation +2
1200
385-A Bear and Raspberry
brute force greedy implementation
1000
384-B Multitasking
greedy implementation sortings +1
1500
384-A Coder
implementation
800
383-E Vowels
combinatorics divide and conquer dp
2700
383-D Antimatter
dp
2300
383-C Propagating tree
data structures dfs and similar trees
2000
383-B Volcanoes
binary search implementation sortings +1
2500
383-A Milking cows
data structures greedy
1600
382-E Ksenia and Combinatorics
combinatorics dp
2600
382-D Ksenia and Pawns
dfs and similar graphs implementation +1
2200
382-C Arithmetic Progression
implementation sortings
1700
382-B Number Busters
binary search math
2000
382-A Ksenia and Pan Scales
greedy implementation
1100
381-B Sereja and Stairs
greedy implementation sortings
1100
381-A Sereja and Dima
greedy implementation two pointers
800
380-E Sereja and Dividing
data structures
2600
380-D Sereja and Cinema
combinatorics math
2500
380-C Sereja and Brackets
data structures schedules
2000
380-B Sereja and Tree
graphs implementation
2400
380-A Sereja and Prefixes
binary search brute force
1600
379-G New Year Cactus
dp
3100
379-F New Year Tree
data structures divide and conquer trees
2400
379-E New Year Tree Decorations
geometry schedules sortings
2500
379-D New Year Letter
bitmasks brute force dp
2000
379-C New Year Ratings Change
greedy sortings
1400
379-B New Year Present
constructive algorithms implementation
1200
379-A New Year Candles
implementation
1000
378-B Semifinals
implementation sortings
1300
378-A Playing with Dice
brute force
800
377-E Cookie Clicker
dp geometry
2800
377-D Developing Game
data structures
2400
377-C Captains Mode
bitmasks dp games
2200
377-B Preparing for the Contest
binary search data structures greedy +1
1900
377-A Maze
dfs and similar
1600
376-B I.O.U.
implementation
1300
376-A Lever
implementation math
900
375-E Red and Black Tree
dp implementation math
3000
375-D Tree and Queries
data structures dfs and similar trees
2400
375-C Circling Round Treasures
bitmasks shortest paths
2600