1385C
Make It Good
greedy
Rating 1200
原题Codeforces 训练
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2000D
Right Left Wrong
greedyimplementationtwo pointers
Rating 1200
原题1497C1
k-LCM (easy version)
constructive algorithmsmath
Rating 1200
原题1594C
Make Them Equal
brute forcegreedymathstrings
Rating 1200
原题1487B
Cat Cycle
mathnumber theory
Rating 1200
原题1734C
Removing Smallest Multiples
greedymath
Rating 1200
原题4B
Before an Exam
constructive algorithmsgreedy
Rating 1200
原题1800D
Remove Two Letters
data structuresgreedyhashingstrings
Rating 1200
原题1613C
Poisoned Dagger
binary search
Rating 1200
原题1537C
Challenging Cliffs
constructive algorithmsgreedyimplementationmath
Rating 1200
原题1472D
Even-Odd Game
dpgamesgreedysortings
Rating 1200
原题1272C
Yet Another Broken Keyboard
combinatoricsdpimplementation
Rating 1200
原题1808B
Playing in a Casino
mathsortings
Rating 1200
原题1433D
Districts Connection
constructive algorithmsdfs and similar
Rating 1200
原题1364A
XXXXX
brute forcedata structuresnumber theorytwo pointers
Rating 1200
原题1729D
Friends and the Restaurant
greedysortingstwo pointers
Rating 1200
原题1539C
Stable Groups
greedysortings
Rating 1200
原题1909B
Make Almost Equal With Mod
bitmasksconstructive algorithmsmathnumber theory
Rating 1200
原题1790D
Matryoshkas
data structuresgreedysortings
Rating 1200
原题1399C
Boats Competition
brute forcegreedytwo pointers
Rating 1200
原题1926C
Vlad and a Sum of Sum of Digits
dpimplementation
Rating 1200
原题1328C
Ternary XOR
greedyimplementation
Rating 1200
原题445A
DZY Loves Chessboard
dfs and similarimplementation
Rating 1200
原题1793C
Dora and Search
constructive algorithmsdata structurestwo pointers
Rating 1200
原题1692E
Binary Deque
binary searchimplementationtwo pointers
Rating 1200
原题1527B1
Palindrome Game (easy version)
constructive algorithmsgames
Rating 1200
原题1354B
Ternary String
binary searchdpimplementationtwo pointers
Rating 1200
原题1832C
Contrast Value
greedyimplementation
Rating 1200
原题1514B
AND 0, Sum Big
bitmaskscombinatoricsmath
Rating 1200
原题1097B
Petr and a Combination Lock
bitmasksbrute forcedp
Rating 1200
原题459A
Pashmak and Garden
implementation
Rating 1200
原题1420B
Rock and Lever
bitmasksmath
Rating 1200
原题1541B
Pleasant Pairs
brute forceimplementationmathnumber theory
Rating 1200
原题1914D
Three Activities
brute forcedpgreedyimplementationsortings
Rating 1200
原题1742E
Scuza
binary searchgreedymath
Rating 1200
原题1872D
Plus Minus Permutation
math
Rating 1200
原题1363A
Odd Selection
brute forceimplementationmath
Rating 1200
原题1857C
Assembly via Minimums
greedysortings
Rating 1200
原题977C
Less or Equal
sortings
Rating 1200
原题1343C
Alternating Subsequence
dpgreedytwo pointers
Rating 1200
原题1352B
Same Parity Summands
constructive algorithmsmath
Rating 1200
原题327A
Flipping Game
brute forcedpimplementation
Rating 1200
原题433B
Kuriyama Mirai's Stones
dpimplementationsortings
Rating 1200
原题489B
BerSU Ball
dfs and similardpgraph matchingsgreedysortingstwo pointers
Rating 1200
原题474B
Worms
binary searchimplementation
Rating 1200
原题1520D
Same Differences
data structureshashingmath
Rating 1200
原题1352C
K-th Not Divisible by n
binary searchmath
Rating 1200
原题514A
Chewbaсca and Number
greedyimplementation
Rating 1200
原题466A
Cheap Travel
implementation
Rating 1200
原题492B
Vanya and Lanterns
binary searchimplementationmathsortings
Rating 1200
原题