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Problemset

89 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2244EMasha and the Garland
data structuresdpgreedyimplementationmathnumber theorystrings
unrated7.6k
2241GSummmon
binary searchdata structuresgreedyimplementationmathnumber theory
2400831
2205GSimons and Diophantus Equation
bitmasksbrute forcedata structuresmathnumber theory
3000231
2204FSum of Fractions
binary searchbrute forcecombinatoricsdata structuresgreedymathnumber theorytwo pointers
22001.3k
2148GFarmer John's Last Wish
binary searchdata structuresmathnumber theory
19004.3k
2123GModular Sorting
brute forcedata structuresgreedymathnumber theorysortings
21003.3k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2091GGleb and Boating
brute forceconstructive algorithmsdata structuresdpgraphsgreedymathnumber theoryshortest paths
23001.6k
2050FMaximum modulo equality
data structuresdivide and conquermathnumber theory
170011.3k
2044FEasy Demon Problem
binary searchbrute forcedata structuresmathnumber theory
19006.4k
2037GNatlan Exploring
bitmaskscombinatoricsdata structuresdpmathnumber theory
20003.9k
2006CEri and Expanded Sets
data structuresdivide and conquermathnumber theorytwo pointers
23002.1k
2005DAlter the GCD
binary searchbrute forcedata structuresdivide and conquerimplementationnumber theory
24001.3k
1986G1Permutation Problem (Simple Version)
binary searchbrute forcecombinatoricsdata structuresmathnumber theory
22002k
1986G2Permutation Problem (Hard Version)
brute forcedata structureshashingmathnumber theory
25001.5k
1982DBeauty of the mountains
brute forcedata structuresimplementationmathnumber theory
170010.2k
1978FLarge Graph
data structuresdfs and similardsugraphsnumber theorytwo pointers
24001.6k
1977CNikita and LCM
brute forcedata structuresdpgreedymathnumber theorysortings
19008.2k
1954EChain Reaction
binary searchdata structuresdsugreedyimplementationmathnumber theory
22003k
1945HGCD is Greater
brute forcedata structuresmathnumber theory
2600971
1926EVlad and an Odd Ordering
binary searchbitmasksdata structuresdpimplementationmathnumber theory
150015.2k
1917DYet Another Inversions Problem
combinatoricsdata structuresdpimplementationmathnumber theory
23002.1k
1879FLast Man Standing
brute forcedata structuresnumber theory
2800652
1844GTree Weights
bitmasksconstructive algorithmsdata structuresdfs and similarimplementationmathmatricesnumber theorytrees
30001.2k
1834EMEX of LCM
binary searchdata structuresimplementationmathnumber theory
23002.9k
1822G1Magic Triples (Easy Version)
brute forcedata structuresmathnumber theory
17009.9k
1822G2Magic Triples (Hard Version)
brute forcedata structuresmathnumber theory
22003.1k
1797ELi Hua and Array
brute forcedata structuresdsumathnumber theorytwo pointers
23001.7k
1783EGame of the Year
brute forcedata structuresmathnumber theory
23002.5k
1780EJosuke and Complete Graph
binary searchbrute forcedata structuresmathnumber theory
24001.8k
1780FThree Chairs
bitmasksbrute forcecombinatoricsdata structuresdpnumber theorysortings
23002k
1759FAll Possible Digits
binary searchdata structuresgreedymathnumber theory
18004.6k
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500182
1732D1Balance (Easy version)
brute forcedata structuresimplementationnumber theory
150010k
1732D2Balance (Hard version)
brute forcedata structuresnumber theory
24001.6k
1732ELocation
data structuresdpmathnumber theory
2800604
1730EMaximums and Minimums
combinatoricsdata structuresdivide and conquernumber theory
2700815
1728ERed-Black Pepper
brute forcedata structuresgreedymathnumber theory
23002.1k
1725EElectrical Efficiency
combinatoricsdata structuresdpmathnumber theorytrees
2500640
1718CTonya and Burenka-179
data structuresgreedymathnumber theory
24001.9k
1718FBurenka, an Array and Queries
data structuresmathnumber theory
3300244
1712E2LCM Sum (hard version)
brute forcedata structuresmathnumber theorytwo pointers
25001.7k
1706D2Chopping Carrots (Hard Version)
brute forceconstructive algorithmsdata structuresdpgreedymathnumber theorytwo pointers
24002k
1702FEquate Multisets
constructive algorithmsdata structuresgreedymathnumber theory
17009.6k
1699EThree Days Grace
data structuresdpgreedymathnumber theorytwo pointers
26001.4k
1658EGojou and Matrix Game
data structuresdpgameshashingimplementationmathnumber theorysortings
25001.3k
1656HEqual LCM Subsets
data structuresmathnumber theory
3200836
1632DNew Year Concert
binary searchdata structuresgreedymathnumber theorytwo pointers
20005.4k
1582GKuzya and Homework
data structuresnumber theory
2600743
1575CCyclic Sum
data structuresfftnumber theory
3000290
1561D1Up the Strip (simplified version)
brute forcedata structuresdpmathnumber theory
17006.2k
1548BIntegers Have Friends
binary searchdata structuresdivide and conquermathnumber theorytwo pointers
180011.6k
1547FArray Stabilization (GCD version)
binary searchbrute forcedata structuresdivide and conquernumber theorytwo pointers
19007.2k
1536CDiluc and Kaeya
data structuresdphashingnumber theory
150016.3k
1519CBerland Regional
brute forcedata structuresgreedynumber theorysortings
140023.4k
1516DCut
binary searchdata structuresdpgraphsnumber theorytwo pointers
21005.3k
1497E1Square-Free Division (easy version)
data structuresdpgreedymathnumber theorytwo pointers
17009.2k
1497E2Square-Free Division (hard version)
data structuresdpgreedymathnumber theorytwo pointers
25002k
1493DGCD of an Array
brute forcedata structureshashingimplementationmathnumber theorysortingstwo pointers
21005.9k
1488GPainting Numbers
*specialdata structuresgreedynumber theory
2500137
1422FBoring Queries
data structuresmathnumber theory
27001.4k
1418FEqual Product
data structuresmathnumber theorytwo pointers
3000518
1364AXXXXX
brute forcedata structuresnumber theorytwo pointers
120031.9k
1349AOrac and LCM
data structuresmathnumber theory
160022.4k
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1182FMaximum Sine
binary searchdata structuresnumber theory
2700426
1114FPlease, another Queries on Array?
bitmasksdata structuresdivide and conquermathnumber theory
24002.6k
1109ESasha and a Very Easy Test
data structuresnumber theory
2700641
1101DGCD Counting
data structuresdfs and similardpnumber theorytrees
20005.5k
1061CMultiplicity
data structuresdpimplementationmathnumber theory
170011k
986EPrince's Problem
brute forcedata structuresmathnumber theorytrees
2800957
979DKuro and GCD and XOR and SUM
binary searchbitmasksbrute forcedata structuresdpdsugreedymathnumber theorystringstrees
22002.3k
920FSUM and REPLACE
brute forcedata structuresdsunumber theory
20009k
914DBash and a Tough Math Puzzle
data structuresnumber theory
19006.6k
870FPaths
data structuresnumber theory
2700730
830CBamboo Partition
brute forcedata structuresimplementationmathnumber theorysortingstwo pointers
23001.3k
818ECard Game Again
binary searchdata structuresnumber theorytwo pointers
19002.7k
731FVideo Cards
brute forcedata structuresimplementationmathnumber theory
19003.2k
722FCyclic Cipher
chinese remainder theoremdata structuresimplementationnumber theorytwo pointers
2800639
671CUltimate Weirdness of an Array
data structuresnumber theory
2800838
665FFour Divisors
data structuresdpmathnumber theorysortingstwo pointers
2400836
633GYash And Trees
bitmasksdata structuresdfs and similarmathnumber theory
2800933
594DREQ
data structuresnumber theory
25002.1k
498DTraffic Jams in the Land
data structuresdpnumber theory
24001.3k
474FAnt colony
data structuresmathnumber theory
210012.3k
446CDZY Loves Fibonacci Numbers
data structuresmathnumber theory
24004.1k
385CBear and Prime Numbers
binary searchbrute forcedata structuresdpimplementationmathnumber theory
170010.8k
226CAnniversary
data structuresimplementationmathmatricesnumber theory
24001k
111BPetya and Divisors
binary searchdata structuresnumber theory
19004.2k

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