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# Problem Tags Rating Solved
1023-G Pisces
data structures flows trees
3400
1023-F Mobile Phone Network
dfs and similar dsu graphs +1
2600
1023-E Down or Right
constructive algorithms interactive matrices
2100
1023-D Array Restoration
constructive algorithms data structures
1700
1023-C Bracket Subsequence
greedy
1200
1023-B Pair of Toys
math
1000
1023-A Single Wildcard Pattern Matching
brute force implementation strings
1200
1020-B Badge
brute force dfs and similar graphs
1000
1020-A New Building for SIS
math
1000
1019-E Raining season
data structures divide and conquer trees
3200
1019-D Large Triangle
binary search geometry sortings
2700
1019-C Sergey's problem
constructive algorithms graphs
3000
1019-B The hat
binary search interactive
2000
1019-A Elections
brute force greedy
1700
1017-H The Films
brute force
3300
1017-G The Tree
data structures
3200
1017-F The Neutral Zone
brute force math
2500
1017-E The Supersonic Rocket
geometry hashing strings
2400
1017-D The Wu
bitmasks brute force data structures
1900
1017-C The Phone Number
constructive algorithms greedy
1600
1017-B The Bits
implementation math
1200
1017-A The Rank
implementation
800
1016-G Appropriate Team
bitmasks math number theory
2700
1016-F Road Projects
dfs and similar dp trees
2600
1016-E Rest In The Shades
binary search geometry
2400
1016-D Vasya And The Matrix
constructive algorithms flows math
1800
1016-C Vasya And The Mushrooms
dp implementation
1800
1016-B Segment Occurrences
brute force implementation
1300
1016-A Death Note
greedy implementation math
900
1015-F Bracket Substring
dp strings
2300
1015-E2 Stars Drawing (Hard Edition)
binary search dp greedy
1900
1015-E1 Stars Drawing (Easy Edition)
brute force dp greedy
1700
1015-D Walking Between Houses
constructive algorithms greedy
1600
1015-C Songs Compression
sortings
1100
1015-B Obtaining the String
implementation
1200
1015-A Points in Segments
implementation
800
1013-B And
greedy
1200
1013-A Piles With Stones
math
800
1012-F Passports
dp implementation
3400
1012-E Cycle sort
dsu math
3100
1012-D AB-Strings
constructive algorithms strings
2800
1012-C Hills
dp
1900
1012-B Chemical table
constructive algorithms dfs and similar dsu +2
1900
1012-A Photo of The Sky
brute force implementation math +1
1500
1011-B Planning The Expedition
binary search brute force implementation
1200
1011-A Stages
greedy implementation sortings
900
1010-F Tree
fft graphs trees
3400
1010-E Store
data structures
2700
1010-D Mars rover
dfs and similar graphs implementation +1
2000
1010-C Border
number theory
1800