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55 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2229EDeconstruction Tree
combinatoricsdata structuresdpgraphstrees
21002k
2207FHanabi
binary searchdata structuresdpdsuflowsgraph matchingsgraphsgreedy
2900315
2195GIdiot First Search and Queries
binary searchdata structuresdpgraphstrees
23001.2k
2176DFibonacci Paths
data structuresdpgraphssortings
18006.1k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2156EBest Time to Buy and Sell Stock
binary searchbrute forcedata structuresdpgamesgraphsgreedy
25001k
2133FFlint and Steel
data structuresdpgraphs
3000489
2122DTraffic Lights
brute forcedata structuresdivide and conquerdpgraphsgreedyshortest paths
24002.8k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2108CNeo's Escape
binary searchbrute forcedata structuresdpdsugraphsgreedyimplementation
150015.1k
2091GGleb and Boating
brute forceconstructive algorithmsdata structuresdpgraphsgreedymathnumber theoryshortest paths
23001.6k
2063CRemove Exactly Two
brute forcedata structuresdfs and similardpgraphsgreedysortingstrees
160015.1k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2053I2Affectionate Arrays (Hard Version)
data structuresdpgraphsgreedymathshortest pathstwo pointers
3500110
2028DAlice's Adventures in Cards
constructive algorithmsdata structuresdpgraphsgreedyimplementationternary search
20003.8k
2027CAdd Zeros
brute forcedata structuresdfs and similardpgraphsgreedy
150014.1k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E2Digital Village (Hard Version)
data structuresdpdsugraphsmathtrees
25001.3k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
1998DDetermine Winning Islands in Race
data structuresdpgraphsgreedyshortest paths
21004.2k
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1914G2Light Bulbs (Hard Version)
combinatoricsdata structuresdfs and similardpgraphshashing
23001.9k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1866KKeen Tree Calculation
binary searchdata structuresdpgeometrygraphsimplementationtrees
2500585
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1826EWalk the Runway
bitmasksbrute forcedata structuresdpgraphsimplementationsortings
24002k
1801DThe way home
binary searchdata structuresdpgraphsgreedyshortest pathssortings
21002.9k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500182
1715ELong Way Home
data structuresdivide and conquerdpgeometrygraphsgreedyshortest paths
24002.4k
1695CZero Path
brute forcedata structuresdpgraphsgreedyshortest paths
170014.5k
1650GCounting Shortcuts
data structuresdfs and similardpgraphsshortest paths
21003k
1625E1Cats on the Upgrade (easy version)
brute forcedata structuresdfs and similardivide and conquerdpgraphstrees
25001.2k
1608CGame Master
data structuresdfs and similardpgraphsgreedytwo pointers
17007.4k
1601BFrog Traveler
data structuresdfs and similardpgraphsshortest pathstwo pointers
19005.6k
1572ABook
binary searchbrute forcedata structuresdpgraphsimplementationsortings
180010.6k
1550FJumping Around
binary searchdata structuresdivide and conquerdpdsugraphsshortest paths
2700958
1516DCut
binary searchdata structuresdpgraphsnumber theorytwo pointers
21005.3k
1495FSquares
constructive algorithmsdata structuresdpgraphstrees
3300533
1470EStrange Permutation
binary searchcombinatoricsdata structuresdpgraphsimplementationtwo pointers
3200981
1407DDiscrete Centrifugal Jumps
data structuresdpgraphs
22006k
1399FYet Another Segments Subset
data structuresdpgraphssortings
23001.9k
1285EDelete a Segment
brute forceconstructive algorithmsdata structuresdpgraphssortingstreestwo pointers
23002k
1263FEconomic Difficulties
data structuresdfs and similardpflowsgraphstrees
2400982
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1111ETree
data structuresdfs and similardpgraphstrees
25001.2k
960FPathwalks
data structuresdpgraphs
21003.5k
840BLeha and another game about graph
constructive algorithmsdata structuresdfs and similardpgraphs
21002.9k
827FDirty Arkady's Kitchen
data structuresdpgraphsshortest paths
3200604
766DMahmoud and a Dictionary
data structuresdfs and similardpdsugraphs
20004k
708CCentroids
data structuresdfs and similardpgraphsgreedytrees
23004.5k
677DVanya and Treasure
data structuresdpgraphsshortest paths
23002.1k
557EAnn and Half-Palindrome
data structuresdpgraphsstring suffix structuresstringstrees
23001.3k
269DMaximum Waterfall
data structuresdpgraphssortings
2600535
231ECactus
data structuresdfs and similardpgraphstrees
21002.4k

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