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Problemset

893 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
2247AZero Sum
constructive algorithmsdpnumber theory
unrated17.7k
2246Bezraft and Array
constructive algorithmsnumber theory
unrated15.2k
2244CStepan and Permutation
constructive algorithmsdfs and similardsugreedymathnumber theorysortings
unrated15.6k
2244DYaroslav and Productivity
constructive algorithmsdpgreedymathnumber theory
unrated11.4k
2244EMasha and the Garland
data structuresdpgreedyimplementationmathnumber theorystrings
unrated7.6k
2242EProduct of Closures
bitmasksbrute forceconstructive algorithmsgreedyimplementationmathnumber theory
22001.4k
2241ADivide and Conquer
greedymathnumber theory
80031.9k
2241EFair and Square
combinatoricsdpgraphsmathnumber theorytrees
16005.8k
2241GSummmon
binary searchdata structuresgreedyimplementationmathnumber theory
2400831
2238BCrimson Triples
dpmathnumber theory
90015.2k
2238DStorming Arasaka
greedymathnumber theory
15007.2k
2237GSend GCDs
communicationconstructive algorithmsinteractivemathnumber theory
2900416
2236F1Elections in Saransk (easy version)
number theory
17004.8k
2236F2Elections in Saransk (hard version)
combinatoricsdpmathnumber theory
2200958
2234AEuclid, Sequence and Two Numbers
mathnumber theorysortings
80023.8k
2234DXOR, Expression and Two Binary Numbers
bitmasksdivide and conquerdpmathnumber theory
15008.6k
2233FShortest GCD Paths
dpgraphsmathnumber theoryshortest paths
2800385
2232FThe Cake Is a Lie
greedymathnumber theory
3000297
2231FQuadratic Jumps
brute forceconstructive algorithmsgreedymathnumber theory
2600787
2226BEverything Everywhere
greedymathnumber theory
90014.5k
2226FInversion Invasion
mathnumber theory
2800280
2225GSimple Problem
brute forcegraphsgreedynumber theory
2900269
2223CZhily and Signpost
chinese remainder theoremdfs and similarmathnumber theorytrees
2300921
2219AGrid L
brute forceconstructive algorithmsmathnumber theory
140010.7k
2218DThe 67th OEIS Problem
constructive algorithmsgreedymathnumber theory
110021.6k
2217CGrid Covering
chinese remainder theoremmathnumber theory
130011.9k
2215BRReeppeettiittiioonn
binary searchbrute forceimplementationmathnumber theory
20001.3k
2211EMinimum Path Cover
brute forcedpgreedyinteractivemathnumber theorytrees
25001k
2210AA Simple Sequence
constructive algorithmsdpgreedynumber theory
80024.5k
2210C1A Simple GCD Problem (Easy Version)
greedynumber theory
120014.5k
2210C2A Simple GCD Problem (Hard Version)
dpgreedynumber theory
21002.4k
2210EBinary Strings are Simple?
constructive algorithmsimplementationinteractivenumber theory
2700369
2206FMinesweeper String
fftnumber theory
2400479
2206HReflect Sort
number theory
18001.2k
2206IGrowth Factor
combinatoricsdpmathnumber theory
2900226
2205GSimons and Diophantus Equation
bitmasksbrute forcedata structuresmathnumber theory
3000231
2204CSpring
mathnumber theory
100019.6k
2204FSum of Fractions
binary searchbrute forcecombinatoricsdata structuresgreedymathnumber theorytwo pointers
22001.3k
2203DDivisibility Game
brute forcegamesgreedynumber theory
17006.1k
2201EABBA Counting
fftmathnumber theorystrings
2900300
2200EDivisive Battle
gamesgreedymathnumber theory
15009.3k
2200HSix Seven
divide and conquermathnumber theorystringstrees
2600528
2195ASieve of Erato67henes
mathnumber theory
80037.7k
2194CSecret message
bitmasksbrute forcedpmathnumber theory
130011.6k
2193EProduct Queries
dpmathnumber theoryshortest paths
130016.2k
2190DPrufer Vertex
combinatoricsdsunumber theoryprobabilitiestrees
25001k
2189D1Little String (Easy Version)
combinatoricsdpgreedymathnumber theory
19004.2k
2189D2Little String (Hard Version)
combinatoricsdpgreedymathnumber theory
22002.1k
2183ELCM is Legendary Counting Master
dpmathnumber theory
21003k
2181HHoney Cake
brute forcemathnumber theory
12007.3k
2180ACarnival Wheel
brute forcenumber theory
80026.4k
2180CXOR-factorization
bitmasksconstructive algorithmsdpgreedynumber theory
19006.7k
2179CBlackslex and Number Theory
implementationmathnumber theorysortings
110023.2k
2179FBlackslex and Another RGB Walking
communicationconstructive algorithmsgraphsinteractivenumber theorytrees
20002.9k
2178HCreate or Duplicate
bitmasksgraphsnumber theoryshortest paths
3300333
2176FOmega Numbers
bitmaskscombinatoricsdpmathnumber theory
24001.6k
2173CKanade's Perfect Multiples
brute forceconstructive algorithmsgreedynumber theory
140013.2k
2171EAnisphia Wynn Palettia and Good Permutations
constructive algorithmsgreedynumber theory
20003.8k
2169D1Removal of a Sequence (Easy Version)
binary searchimplementationmathnumber theory
15009k
2169D2Removal of a Sequence (Hard Version)
binary searchdivide and conquergreedyimplementationmathnumber theory
21002.4k
2167DYet Another Array Problem
brute forceimplementationmathnumber theory
100031.5k
2164BEven Modulo Pair
brute forcemathnumber theory
100020.1k
2158F1Distinct GCDs (Easy Version)
constructive algorithmsgraphsmathnumber theory
2600450
2158F2Distinct GCDs (Hard Version)
combinatoricsconstructive algorithmsgraphsmathnumber theory
3000287
2156CMaximum GCD on Whiteboard
greedymathnumber theory
140012.8k
2154C1No Cost Too Great (Easy Version)
greedyimplementationmathnumber theory
140014.2k
2154C2No Cost Too Great (Hard Version)
greedymathnumber theory
20005.7k
2153EZero Trailing Factorial
brute forcemathnumber theory
24001k
2148GFarmer John's Last Wish
binary searchdata structuresmathnumber theory
19004.3k
2147GModular Tetration
combinatoricsmathnumber theory
3100799
2145FLong Journey
dfs and similardivide and conquerdpgraphsgreedymathmatricesnumber theory
25001.1k
2144ACut the Array
brute forceconstructive algorithmsmathnumber theory
80022.3k
2140BAnother Divisibility Problem
constructive algorithmsmathnumber theory
90023.2k
2140FSum Minimisation
number theory
2900337
2138E1Determinant Construction (Easy Version)
brute forceconstructive algorithmsmathmatricesnumber theory
3100270
2138E2Determinant Construction (Hard Version)
brute forceconstructive algorithmsmathmatricesnumber theory
3100197
2137BFun Permutation
constructive algorithmsmathnumber theory
90027.4k
2135E2Beyond the Palindrome (Hard Version)
combinatoricsdpmathnumber theory
3500188
2134BAdd 0 or K
constructive algorithmsmathnumber theory
120021.9k
2131CMake it Equal
mathnumber theory
110022.3k
2131HSea, You & copriMe
brute forceconstructive algorithmsgraphsgreedymathnumber theory
2600909
2126EG-C-D, Unlucky!
mathnumber theory
140017.5k
2125BLeft and Down
mathnumber theory
90028.4k
2125CCount Good Numbers
bitmaskscombinatoricsmathnumber theory
110023.3k
2124CSubset Multiplication
constructive algorithmsgreedymathnumber theory
130016.3k
2123FMinimize Fixed Points
constructive algorithmsnumber theory
170010.1k
2123GModular Sorting
brute forcedata structuresgreedymathnumber theorysortings
21003.3k
2118D1Red Light, Green Light (Easy version)
brute forcedfs and similardpgraphsimplementationnumber theory
17008.6k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2117DRetaliation
binary searchmathnumber theory
120022.7k
2115AGellyfish and Flaming Peony
constructive algorithmsdpmathnumber theory
150016.5k
2114FSmall Operations
binary searchbrute forcedfs and similardpmathnumber theorysortings
20005.6k
2114GBuild an Array
brute forceconstructive algorithmsdpgreedymathnumber theory
22002.1k
2112ETree Colorings
combinatoricsdfs and similardpgraphsmathnumber theorytrees
22003.5k
2110FFaculty
brute forcegreedymathnumber theory
24001.9k
2109C1Hacking Numbers (Easy Version)
bitmasksconstructive algorithmsinteractivemathnumber theory
150011.8k
2109C2Hacking Numbers (Medium Version)
constructive algorithmsinteractivemathnumber theory
17008.9k
2109C3Hacking Numbers (Hard Version)
constructive algorithmsinteractivemathnumber theory
26003.3k
2107ALRC and VIP
greedynumber theory
80022.4k
2104DArray and GCD
binary searchgreedymathnumber theory
140013.7k

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