505D
Mr. Kitayuta's Technology
dfs and similar
Rating 2200
原题Codeforces 训练
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已读取
1373E
Sum of Digits
brute forceconstructive algorithmsdpgreedy
Rating 2200
原题653D
Delivery Bears
binary searchflowsgraphs
Rating 2200
原题592D
Super M
dfs and similardpgraphstrees
Rating 2200
原题1234F
Yet Another Substring Reverse
bitmasksdp
Rating 2200
原题1848D
Vika and Bonuses
binary searchbrute forcemathternary search
Rating 2200
原题1954E
Chain Reaction
binary searchdata structuresdsugreedyimplementationmathnumber theory
Rating 2200
原题1415E
New Game Plus!
constructive algorithmsgreedymath
Rating 2200
原题1059D
Nature Reserve
binary searchgeometryternary search
Rating 2200
原题1556E
Equilibrium
data structuresdpgreedy
Rating 2200
原题1220E
Tourism
dfs and similardpdsugraphsgreedytrees
Rating 2200
原题707D
Persistent Bookcase
bitmasksdata structuresdfs and similarimplementation
Rating 2200
原题1557D
Ezzat and Grid
data structuresdpgreedy
Rating 2200
原题1730D
Prefixes and Suffixes
constructive algorithmsstringstwo pointers
Rating 2200
原题2155E
Mimo & Yuyu
gamesgreedymath
Rating 2200
原题301D
Yaroslav and Divisors
data structures
Rating 2200
原题1253E
Antenna Coverage
data structuresdpgreedysortings
Rating 2200
原题1822G2
Magic Triples (Hard Version)
brute forcedata structuresmathnumber theory
Rating 2200
原题27D
Ring Road 2
2-satdfs and similardsugraphs
Rating 2200
原题1037E
Trips
graphs
Rating 2200
原题2085E
Serval and Modulo
constructive algorithmsmathnumber theory
Rating 2200
原题1334E
Divisor Paths
combinatoricsgraphsgreedymathnumber theory
Rating 2200
原题1946E
Girl Permutation
combinatoricsdpmathnumber theory
Rating 2200
原题1097D
Makoto and a Blackboard
dpmathnumber theoryprobabilities
Rating 2200
原题1858D
Trees and Segments
brute forcedata structuresdpgreedytwo pointers
Rating 2200
原题813E
Army Creation
binary searchdata structures
Rating 2200
原题25E
Test
hashingstrings
Rating 2200
原题1196F
K-th Path
brute forceconstructive algorithmsshortest pathssortings
Rating 2200
原题1303E
Erase Subsequences
dpstrings
Rating 2200
原题429D
Tricky Function
data structuresdivide and conquergeometry
Rating 2200
原题1305E
Kuroni and the Score Distribution
constructive algorithmsgreedyimplementationmath
Rating 2200
原题1154G
Minimum Possible LCM
brute forcegreedymathnumber theory
Rating 2200
原题1788E
Sum Over Zero
data structuresdfs and similardp
Rating 2200
原题1630C
Paint the Middle
dpgreedysortingstwo pointers
Rating 2200
原题1552F
Telepanting
binary searchdata structuresdpsortings
Rating 2200
原题1092D2
Great Vova Wall (Version 2)
data structuresimplementation
Rating 2200
原题1486E
Paired Payment
binary searchbrute forceconstructive algorithmsdpflowsgraphsshortest paths
Rating 2200
原题2112E
Tree Colorings
combinatoricsdfs and similardpgraphsmathnumber theorytrees
Rating 2200
原题1338C
Perfect Triples
bitmasksbrute forceconstructive algorithmsdivide and conquermath
Rating 2200
原题768D
Jon and Orbs
dpmathprobabilities
Rating 2200
原题1215E
Marbles
bitmasksdp
Rating 2200
原题1806E
Tree Master
brute forcedata structuresdfs and similartrees
Rating 2200
原题1717E
Madoka and The Best University
mathnumber theory
Rating 2200
原题1238E
Keyboard Purchase
bitmasksdp
Rating 2200
原题616E
Sum of Remainders
implementationmathnumber theory
Rating 2200
原题1328F
Make k Equal
greedy
Rating 2200
原题1327D
Infinite Path
brute forcedfs and similargraphsmathnumber theory
Rating 2200
原题2062D
Balanced Tree
dfs and similardpgraphsgreedytrees
Rating 2200
原题839D
Winter is here
combinatoricsdpmathnumber theory
Rating 2200
原题590C
Three States
dfs and similargraphsshortest paths
Rating 2200
原题