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79 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2245D1Construct an Array (Easy Version)
dfs and similarimplementationsortings
unrated3.2k
2244CStepan and Permutation
constructive algorithmsdfs and similardsugreedymathnumber theorysortings
unrated15.6k
2208D2Tree Orientation (Hard Version)
dfs and similardsugraphsgreedysortingstrees
22002.1k
2193GPaths in a Tree
dfs and similarinteractivesortingstrees
21002.4k
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2114FSmall Operations
binary searchbrute forcedfs and similardpmathnumber theorysortings
20005.6k
2071CTrapmigiano Reggiano
constructive algorithmsdata structuresdfs and similardpgreedysortingstrees
17009.9k
2063CRemove Exactly Two
brute forcedata structuresdfs and similardpgraphsgreedysortingstrees
160015.1k
2057E2Another Exercise on Graphs (hard version)
binary searchdfs and similardpdsugraphsshortest pathssortings
25002k
2056BFind the Permutation
brute forcedfs and similargraphsimplementationsortings
130018.2k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2018CTree Pruning
brute forcedfs and similargreedysortingstrees
170010.2k
1976FRemove Bridges
data structuresdfs and similardpgreedysortingstrees
2800893
1942DLearning to Paint
binary searchdata structuresdfs and similardpgreedyimplementationsortings
21003.4k
1940CBurenka and Pether
*specialdata structuresdfs and similardivide and conquerdsugraphssortingstrees
unrated44
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1918FCaterpillar on a Tree
dfs and similargraphsgreedyimplementationsortingstrees
25001.2k
1901ECompressed Tree
dfs and similardpgraphsgreedysortingstrees
22002k
1899GUnusual Entertainment
data structuresdfs and similardsushortest pathssortingstreestwo pointers
19004.1k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1876CAutosynthesis
constructive algorithmsdfs and similargraphsgreedysortings
21002.8k
1863ESpeedrun
brute forcedfs and similardpgraphsgreedymathsortingstwo pointers
21003.3k
1851ENastya and Potions
dfs and similardpgraphssortings
150013.6k
1847FThe Boss's Identity
binary searchbitmasksdata structuresdfs and similargreedymathsortings
25001.1k
1842FTenzing and Tree
dfs and similargreedyshortest pathssortingstrees
25001.9k
1772FCopy of a Copy of a Copy
constructive algorithmsdfs and similargraphsimplementationsortings
20002.9k
1764FDoremy's Experimental Tree
brute forceconstructive algorithmsdfs and similardsusortingstrees
25001.3k
1746DPaths on the Tree
dfs and similardpgreedysortingstrees
19005.2k
1741DMasha and a Beautiful Tree
dfs and similardivide and conquergraphssortingstrees
130018.7k
1721DMaximum AND
bitmasksdfs and similardivide and conquergreedysortings
18007.8k
1707CDFS Trees
dfs and similardsugraphsgreedysortingstrees
24002k
1691ENumber of Groups
data structuresdfs and similardsugraphsgreedysortings
23002.2k
1682EUnordered Swaps
constructive algorithmsdfs and similargraphsgreedymathsortingstrees
2700777
1635ECars
2-satconstructive algorithmsdfs and similardsugraphsgreedysortings
22002.9k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1623BGame on Ranges
brute forcedfs and similarimplementationsortings
110014.7k
1619GUnusual Minesweeper
binary searchdfs and similardsugreedysortings
20002.8k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1552GA Serious Referee
bitmasksbrute forcedfs and similarsortings
3000687
1519EOff by One
constructive algorithmsdfs and similargeometrygraphssortingstrees
2700943
1508ETree Calendar
brute forceconstructive algorithmsdata structuresdfs and similarsortingstrees
3100453
1494DDogeforces
constructive algorithmsdata structuresdfs and similardivide and conquerdsugreedysortingstrees
23002.9k
1476EPattern Matching
bitmasksdata structuresdfs and similargraphshashingsortingsstrings
23002.8k
1466FEuclid's nightmare
bitmasksdfs and similardsugraphsgreedymathsortings
21003.1k
1463EPlan of Lectures
constructive algorithmsdfs and similardsugraphsimplementationsortingstrees
24001.8k
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1399E2Weights Division (hard version)
binary searchdfs and similargreedysortingstreestwo pointers
22002.6k
1379CChoosing flowers
binary searchbrute forcedata structuresdfs and similardpgreedysortingstwo pointers
20006.2k
1369EDeadLee
data structuresdfs and similargreedyimplementationsortings
24002.5k
1336ALinova and Kingdom
dfs and similardpgreedysortingstrees
160025.5k
1311BWeirdSort
dfs and similarsortings
120020.2k
1307DCow and Fields
binary searchdata structuresdfs and similargraphsgreedyshortest pathssortings
19007.4k
1296FBerland Beauty
constructive algorithmsdfs and similargreedysortingstrees
21003.1k
1253DHarmonious Graph
constructive algorithmsdfs and similardsugraphsgreedysortings
170010.4k
1242B0-1 MST
dfs and similardsugraphssortings
19009.6k
1176DRecover it!
dfs and similargraphsgreedynumber theorysortings
18005.9k
1158CPermutation recovery
constructive algorithmsdata structuresdfs and similargraphsgreedymathsortings
21002.3k
1156BUgly Pairs
dfs and similargreedyimplementationsortingsstrings
18006.6k
1056DDecorate Apple Tree
constructive algorithmsdfs and similardpgraphsgreedysortingstrees
16006.8k
1042FLeaf Sets
data structuresdfs and similardsugraphsgreedysortingstrees
24001.6k
1039CNetwork Safety
dfs and similardsugraphsmathsortings
22001.5k
977DDivide by three, multiply by two
dfs and similarmathsortings
140020.9k
920CSwap Adjacent Elements
dfs and similargreedymathsortingstwo pointers
140010.1k
843ASorting by Subsequences
dfs and similardsuimplementationmathsortings
14006k
804DExpected diameter of a tree
binary searchbrute forcedfs and similardpsortingstrees
25001.6k
659FPolycarp and Hay
dfs and similardsugraphsgreedysortings
20002k
622EAnts in Leaves
dfs and similargreedysortingstrees
22002.5k
613DKingdom and its Cities
dfs and similardivide and conquerdpgraphssortingstrees
28004.3k
510CFox And Names
dfs and similargraphssortings
160023.2k
500BNew Year Permutation
dfs and similardsugraphsgreedymathsortings
16009.7k
489BBerSU Ball
dfs and similardpgraph matchingsgreedysortingstwo pointers
120058.4k
478EWavy numbers
brute forcedfs and similarmeet-in-the-middlesortings
2900257
404CRestore Graph
dfs and similargraphssortings
18005.9k
274DLovely Matrix
dfs and similargraphsgreedysortings
22001.2k
246EBlood Cousins Return
binary searchdata structuresdfs and similardpsortings
24004.8k
160DEdges in MST
dfs and similardsugraphssortings
23003.5k
87DBeautiful Road
dfs and similardpdsugraphsimplementationsortingstrees
23001.1k
85CPetya and Tree
binary searchdfs and similarprobabilitiessortingstrees
2200642
82CGeneral Mobilization
data structuresdfs and similarsortings
2000911

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