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# Problem Tags Rating Solved
1059-A Cashier
implementation
1000
1057-C Tanya and Colored Candies
*special dp
2000
1057-B DDoS
*special brute force
1400
1057-A Bmail Computer Network
*special dfs and similar trees
900
1056-H Detect Robots
data structures strings
3200
1056-G Take Metro
brute force data structures graphs
2900
1056-F Write The Contest
binary search dp math
2500
1056-E Check Transcription
brute force data structures hashing +1
2100
1056-D Decorate Apple Tree
constructive algorithms dfs and similar dp +4
1600
1056-C Pick Heroes
greedy implementation interactive +1
1700
1056-B Divide Candies
math number theory
1600
1056-A Determine Line
implementation
800
1055-G Jellyfish Nightmare
3500
1055-F Tree and XOR
strings trees
2900
1055-E Segments on the Line
binary search dp
2500
1055-D Refactoring
greedy implementation strings
2400
1055-C Lucky Days
math number theory
1900
1055-B Alice and Hairdresser
dsu implementation
1300
1055-A Metro
graphs
900
1054-H Epic Convolution
chinese remainder theorem fft math +1
3500
1054-G New Road Network
constructive algorithms greedy math
3300
1054-F Electric Scheme
flows graph matchings
2700
1054-E Chips Puzzle
constructive algorithms implementation math
2400
1054-D Changing Array
greedy implementation
1900
1054-C Candies Distribution
constructive algorithms implementation
1500
1054-B Appending Mex
implementation
1000
1054-A Elevator or Stairs?
implementation
800
1053-E Euler tour
constructive algorithms trees
3500
1051-G Distinctification
data structures dsu greedy
2900
1051-F The Shortest Statement
graphs shortest paths trees
2400
1051-E Vasya and Big Integers
binary search data structures dp +2
2600
1051-D Bicolorings
bitmasks dp
1700
1051-C Vasya and Multisets
brute force dp greedy +2
1500
1051-B Relatively Prime Pairs
greedy math number theory
1000
1051-A Vasya And Password
greedy implementation strings
1200
1047-B Cover Points
geometry math
900
1047-A Little C Loves 3 I
math
800
1046-I Say Hello
geometry
2300
1046-F Splitting money
implementation
1400
1046-C Space Formula
greedy
1400
1045-J Moonwalk challenge
data structures strings trees
2600
1045-I Palindrome Pairs
hashing strings
1600
1045-H Self-exploration
math
2400
1045-G AI robots
data structures
2200
1045-F Shady Lady
geometry math
3400
1045-E Ancient civilizations
constructive algorithms geometry
3200
1045-D Interstellar battle
math probabilities trees
2200
1045-C Hyperspace Highways
dfs and similar graphs trees
2300
1045-B Space Isaac
hashing number theory
2400
1045-A Last chance
data structures flows graph matchings +2
2500