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# Problem Tags Rating Solved
1710-A Color the Picture
constructive algorithms greedy math
1500
1709-F Multiset of Strings
bitmasks brute force dp +6
2500
1709-E XOR Tree
bitmasks data structures dfs and similar +3
2400
1709-D Rorororobot
binary search data structures greedy +1
1700
1709-C Recover an RBS
constructive algorithms greedy implementation +1
1800
1709-B Also Try Minecraft
data structures dp implementation
900
1709-A Three Doors
brute force greedy implementation +1
800
1708-B Difference of GCDs
constructive algorithms math
1100
1708-A Difference Operations
greedy math
800
1707-F Bugaboo
bitmasks constructive algorithms dp +1
3500
1707-E Replace
binary search data structures
3500
1707-D Partial Virtual Trees
combinatorics dfs and similar dp +2
3000
1707-C DFS Trees
dfs and similar dsu graphs +3
2400
1707-B Difference Array
brute force data structures implementation +1
1900
1707-A Doremy's IQ
binary search constructive algorithms greedy +1
1600
1706-E Qpwoeirut and Vertices
binary search data structures dfs and similar +4
2300
1706-D2 Chopping Carrots (Hard Version)
brute force constructive algorithms data structures +5
2400
1706-D1 Chopping Carrots (Easy Version)
binary search brute force constructive algorithms +2
1700
1706-C Qpwoeirut And The City
dp flows greedy +1
1400
1706-B Making Towers
dp greedy math
1100
1706-A Another String Minimization Problem
2-sat constructive algorithms greedy +2
800
1705-F Mark and the Online Exam
bitmasks constructive algorithms interactive +1
2900
1705-E Mark and Professor Koro
binary search bitmasks brute force +3
2300
1705-D Mark and Lightbulbs
combinatorics constructive algorithms greedy +2
1800
1705-C Mark and His Unfinished Essay
brute force implementation
1400
1705-B Mark the Dust Sweeper
constructive algorithms greedy implementation
900
1705-A Mark the Photographer
greedy sortings
800
1704-H2 Game of AI (hard version)
combinatorics fft math
3500
1704-H1 Game of AI (easy version)
combinatorics constructive algorithms dp +2
3200
1704-G Mio and Lucky Array
constructive algorithms fft math +1
3500
1704-F Colouring Game
constructive algorithms dp games
2600
1704-E Count Seconds
brute force constructive algorithms dp +3
2200
1704-D Magical Array
constructive algorithms hashing implementation +1
1900
1704-C Virus
greedy implementation sortings
1200
1704-B Luke is a Foodie
brute force greedy implementation
1000
1704-A Two 0-1 Sequences
constructive algorithms greedy
800
1703-G Good Key, Bad Key
bitmasks brute force dp +2
1600
1703-F Yet Another Problem About Pairs Satisfying an Inequality
binary search data structures dp +2
1300
1703-E Mirror Grid
implementation
1200
1703-D Double Strings
brute force data structures strings
1100
1703-C Cypher
brute force implementation strings
800
1703-B ICPC Balloons
data structures implementation
800
1703-A YES or YES?
brute force implementation strings
800
1702-G2 Passable Paths (hard version)
data structures dfs and similar trees
2000
1702-G1 Passable Paths (easy version)
dfs and similar trees
1900
1702-F Equate Multisets
constructive algorithms data structures greedy +2
1700
1702-E Split Into Two Sets
dfs and similar dsu graphs
1600
1702-D Not a Cheap String
greedy
1000
1702-C Train and Queries
data structures greedy
1100
1702-B Polycarp Writes a String from Memory
greedy
800