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# Problem Tags Rating Solved
375-B Maximum Submatrix 2
data structures dp implementation +1
1600
375-A Divisible by Seven
math number theory
1600
374-E Inna and Babies
binary search data structures dsu +2
2600
374-D Inna and Sequence
binary search data structures dp +1
2000
374-C Inna and Dima
dfs and similar dp graphs +1
1900
374-B Inna and Nine
combinatorics greedy
1500
374-A Inna and Pink Pony
greedy implementation
2000
373-B Making Sequences is Fun
binary search implementation math
1600
373-A Collecting Beats is Fun
implementation
900
372-E Drawing Circles is Fun
combinatorics geometry
3000
372-D Choosing Subtree is Fun
binary search data structures dfs and similar +2
2600
372-C Watching Fireworks is Fun
data structures dp math
2100
372-B Counting Rectangles is Fun
brute force divide and conquer dp
1900
372-A Counting Kangaroos is Fun
binary search greedy sortings +1
1600
371-E Subway Innovation
greedy math two pointers
2000
371-D Vessels
data structures dsu implementation +1
1800
371-C Hamburgers
binary search brute force
1600
371-B Fox Dividing Cheese
math number theory
1300
371-A K-Periodic Array
greedy implementation math
1000
370-E Summer Reading
dp greedy
2500
370-D Broken Monitor
brute force constructive algorithms greedy +1
2100
370-C Mittens
constructive algorithms greedy sortings
1800
370-B Berland Bingo
implementation
1300
370-A Rook, Bishop and King
graphs math shortest paths
1100
369-E Valera and Queries
binary search data structures
2200
369-D Valera and Fools
dfs and similar dp graphs +1
2200
369-C Valera and Elections
dfs and similar graphs trees
1600
369-B Valera and Contest
constructive algorithms implementation math
1400
369-A Valera and Plates
greedy implementation
900
368-B Sereja and Suffixes
data structures dp
1100
368-A Sereja and Coat Rack
implementation
1000
367-E Sereja and Intervals
combinatorics dp
2700
367-D Sereja and Sets
bitmasks dfs and similar
2400
367-C Sereja and the Arrangement of Numbers
graphs greedy sortings
2000
367-B Sereja ans Anagrams
binary search data structures
1900
367-A Sereja and Algorithm
data structures implementation
1500
366-E Dima and Magic Guitar
brute force implementation math
2200
366-D Dima and Trap Graph
binary search data structures dfs and similar +3
2000
366-C Dima and Salad
dp
1900
366-B Dima and To-do List
brute force implementation
1200
366-A Dima and Guards
implementation
1100
365-B The Fibonacci Segment
implementation
1100
365-A Good Number
implementation
1100
364-E Empty Rectangles
divide and conquer two pointers
3000
364-D Ghd
brute force math probabilities
2900
364-C Beautiful Set
brute force number theory
2300
364-B Free Market
dp greedy
2200
364-A Matrix
combinatorics data structures implementation
1600
363-E Two Circles
brute force data structures implementation
2500
363-D Renting Bikes
binary search greedy
1800