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Problemset

11,320 problems

✓#Name✎Rating↕Solved↕
757GCan Bash Save the Day?
data structuresdivide and conquergraphstrees
3400660
756APavel and barbecue
constructive algorithmsdfs and similar
17003.2k
756BTravel Card
binary searchdp
16004.6k
756CNikita and stack
data structures
22001.5k
756DBacterial Melee
brute forcecombinatoricsdpstring suffix structures
24001.2k
756EByteland coins
combinatoricsdpmath
3200323
756FLong number
expression parsingmathnumber theory
3400232
755APolandBall and Hypothesis
brute forcegraphsmathnumber theory
80020.1k
755BPolandBall and Game
binary searchdata structuresgamesgreedysortingsstrings
110013k
755CPolandBall and Forest
dfs and similardsugraphsinteractivetrees
130015.4k
755DPolandBall and Polygon
data structures
20002.7k
755EPolandBall and White-Red graph
constructive algorithmsgraphsshortest paths
2400937
755FPolandBall and Gifts
bitmasksdpgreedy
26002k
755GPolandBall and Many Other Balls
combinatoricsdivide and conquerdpfftmathnumber theory
32001.1k
754ALesha and array splitting
constructive algorithmsgreedyimplementation
12009.5k
754BIlya and tic-tac-toe game
brute forceimplementation
11007.6k
754CVladik and chat
brute forceconstructive algorithmsdpimplementationstrings
22001.1k
754DFedor and coupons
binary searchdata structuresgreedysortings
21002.7k
754EDasha and cyclic table
bitmasksbrute forcefftstringstrees
2600620
753ASanta Claus and Candies
dpgreedymath
100010.1k
753BInteractive Bulls and Cows (Easy)
brute forceconstructive algorithmsimplementation
16001.5k
753CInteractive Bulls and Cows (Hard)
brute forceconstructive algorithmsinteractive
2500474
750ANew Year and Hurry
binary searchbrute forceimplementationmath
80094.9k
750BNew Year and North Pole
geometryimplementation
13009.7k
750CNew Year and Rating
binary searchgreedymath
16007.1k
750DNew Year and Fireworks
brute forcedata structuresdfs and similardpimplementation
19003.2k
750ENew Year and Old Subsequence
data structuresdivide and conquerdpmatrices
26002k
750FNew Year and Finding Roots
constructive algorithmsimplementationinteractivetrees
2800622
750GNew Year and Binary Tree Paths
bitmasksbrute forcecombinatoricsdp
3200617
750HNew Year and Snowy Grid
dfs and similardsugraphsinteractive
3500262
749ABachgold Problem
greedyimplementationmathnumber theory
80058.1k
749BParallelogram is Back
brute forceconstructive algorithmsgeometry
12009k
749CVoting
greedyimplementationtwo pointers
15006.3k
749DLeaving Auction
binary searchdata structures
20002.8k
749EInversions After Shuffle
data structuresprobabilities
24001.3k
748ASanta Claus and a Place in a Class
implementationmath
8009.4k
748BSanta Claus and Keyboard Check
implementationstrings
15005.7k
748CSanta Claus and Robot
constructive algorithmsmath
14005k
748DSanta Claus and a Palindrome
constructive algorithmsdata structuresgreedy
21002.1k
748ESanta Claus and Tangerines
binary searchdata structuresgreedytwo pointers
21001.7k
748FSanta Clauses and a Soccer Championship
constructive algorithmsdfs and similargraphstrees
2300744
747ADisplay Size
brute forcemath
80011.3k
747BMammoth's Genome Decoding
implementationstrings
9009.7k
747CServers
implementation
13005.1k
747DWinter Is Coming
dpgreedysortings
18003.6k
747EComments
dfs and similarexpression parsingimplementationstrings
17002.1k
747FIgor and Interesting Numbers
brute forcecombinatoricsdpmath
2500521
746ACompote
implementationmath
80024k
746BDecoding
implementationstrings
90032.3k
746CTram
constructive algorithmsimplementationmath
16003.9k
746DGreen and Black Tea
constructive algorithmsgreedymath
15005.4k
746ENumbers Exchange
greedyimplementationmath
19001.9k
746FMusic in Car
data structuresgreedytwo pointers
2200929
746GNew Roads
constructive algorithmsgraphstrees
21001.7k
745AHongcow Learns the Cyclic Shift
implementationstrings
90011.1k
745BHongcow Solves A Puzzle
implementation
14003.9k
744AHongcow Builds A Nation
dfs and similargraphs
15009.9k
744BHongcow's Game
bitmasksdivide and conquerinteractive
19002k
744CHongcow Buys a Deck of Cards
bitmasksbrute forcedp
24001.4k
744DHongcow Draws a Circle
geometry
3200149
744EHongcow Masters the Cyclic Shift
stringstwo pointers
3200157
743AVladik and flights
constructive algorithmsgreedyimplementation
120011.8k
743BChloe and the sequence
binary searchbitmasksconstructive algorithmsimplementation
120016.2k
743CVladik and fractions
brute forceconstructive algorithmsmathnumber theory
150013.6k
743DChloe and pleasant prizes
dfs and similardpgraphstrees
18004.8k
743EVladik and cards
binary searchbitmasksbrute forcedp
22001.7k
742AArpa’s hard exam and Mehrdad’s naive cheat
implementationmathnumber theory
100053.4k
742BArpa’s obvious problem and Mehrdad’s terrible solution
brute forcemathnumber theory
150010.1k
741AArpa's loud Owf and Mehrdad's evil plan
dfs and similarmath
16005.7k
741BArpa's weak amphitheater and Mehrdad's valuable Hoses
dfs and similardpdsu
16006k
741CArpa’s overnight party and Mehrdad’s silent entering
constructive algorithmsdfs and similargraphs
26003.2k
741DArpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths
data structuresdfs and similartrees
29003.8k
741EArpa’s abnormal DNA and Mehrdad’s deep interest
data structuresstring suffix structures
3400238
740AAlyona and copybooks
brute forceimplementation
13009.2k
740BAlyona and flowers
constructive algorithms
12008.9k
739AAlyona and mex
constructive algorithmsgreedy
17008.5k
739BAlyona and a tree
binary searchdata structuresdfs and similargraphstrees
19005.2k
739CAlyona and towers
data structures
25001.8k
739DRecover a functional graph
graph matchings
3400237
739EGosha is hunting
brute forcedata structuresdpflowsmathprobabilitiessortings
30002.8k
737ETanya is 5!
graph matchingsgraphsgreedyschedules
3300329
737FDirty plates
constructive algorithmsmath
330085
736DPermutations
mathmatrices
2800586
736EChess Championship
constructive algorithmsflowsgreedymath
2900234
735AOstap and Grasshopper
implementationstrings
80013.2k
735BUrbanization
greedynumber theorysortings
11008.8k
735CTennis Championship
combinatoricsconstructive algorithmsgreedymath
16008.1k
735DTaxes
mathnumber theory
160016.2k
735EOstap and Tree
dptrees
25001.1k
734AAnton and Danik
implementationstrings
800201.3k
734BAnton and Digits
brute forcegreedyimplementationmath
80032.3k
734CAnton and Making Potions
binary searchdpgreedytwo pointers
16005.7k
734DAnton and Chess
implementation
17003.9k
734EAnton and Tree
dfs and similardptrees
21005.5k
734FAnton and School
bitmasksconstructive algorithmsimplementationmath
25001.4k
733AGrasshopper And the String
implementation
100017k
733BParade
math
110011k
733CEpidemic in Monstropolis
constructive algorithmsdpgreedytwo pointers
18003.6k
733DKostya the Sculptor
data structureshashing
16004.4k
733ESleep in Class
constructive algorithmsdata structuresmathtwo pointers
24001.1k

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