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Problemset

3,531 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
1980EPermutation of Rows and Columns
constructive algorithmsdata structuresgreedyhashingimplementationmathmatricessortings
160013.3k
1980GYasya and the Mysterious Tree
bitmasksdata structuresdfs and similargraphsgreedystringstrees
23001.8k
1979AGuess the Maximum
brute forcegreedyimplementation
80032k
1979BXOR Sequences
bitmasksgreedy
100026.8k
1979DFixing a Binary String
bitmasksbrute forceconstructive algorithmsdpgreedyhashingstrings
18008k
1978AAlice and Books
constructive algorithmsgreedysortings
80028.8k
1978BNew Bakery
binary searchgreedymathternary search
80025.6k
1978CManhattan Permutations
constructive algorithmsdata structuresgreedyimplementationmath
130018.1k
1978DElections
data structuresgreedyimplementationmath
160013.9k
1978EComputing Machine
brute forcedata structuresdpgreedyimplementation
20004.7k
1977BBinary Colouring
bitmasksconstructive algorithmsgreedymath
110020.1k
1977CNikita and LCM
brute forcedata structuresdpgreedymathnumber theorysortings
19008.2k
1977DXORificator
bitmasksbrute forcegreedyhashing
23002.4k
1976BIncrease/Decrease/Copy
greedyimplementation
110025.3k
1976CJob Interview
binary searchdpgreedyimplementationtwo pointers
160012.6k
1976ESplittable Permutations
combinatoricsdata structuresdfs and similargreedymathtrees
25001.3k
1976FRemove Bridges
data structuresdfs and similardpgreedysortingstrees
2800893
1975ABazoka and Mocha's Array
brute forcegreedyimplementationsortings
80020.9k
1975B378QAQ and Mocha's Array
brute forcegreedymathsortings
100021.3k
1975CChamo and Mocha's Array
binary searchbrute forcegreedy
120017.4k
1975DPaint the Tree
brute forcedfs and similardpgreedyshortest pathstrees
17007.7k
1975GZimpha Fan Club
fftgreedymathstrings
3000349
1975H378QAQ and Core
greedystrings
3500221
1974APhone Desktop
greedymath
80038.3k
1974DIngenuity-2
constructive algorithmsgreedyimplementation
140018k
1974GMoney Buys Less Happiness Now
data structuresgreedysortings
20006.2k
1973BCat, Fox and the Lonely Array
binary searchbitmasksdata structuresgreedymathtwo pointers
130017.1k
1973CCat, Fox and Double Maximum
constructive algorithmsgreedyimplementationmathsortings
170010k
1972AContest Proposal
brute forcegreedytwo pointers
80026.2k
1971DBinary Cut
dpgreedyimplementationsortingsstrings
110031k
1969BShifts and Sorting
constructive algorithmsgreedy
100022.6k
1969DShop Game
data structuresgreedymathsortings
19005.8k
1969EUnique Array
binary searchdata structuresdivide and conquerdpgreedy
24001.9k
1969FCard Pairing
dpgreedyhashingimplementation
3000414
1968BPrefiquence
greedytwo pointers
80031.8k
1968DPermutation Game
brute forcedfs and similargamesgraphsgreedymath
130017.7k
1967APermutation Counting
binary searchgreedyimplementationmathsortings
140015.2k
1966ACard Exchange
constructive algorithmsgamesgreedy
80019.7k
1965AEverything Nim
gamesgreedymathsortings
140017.2k
1965BMissing Subsequence Sum
bitmasksconstructive algorithmsgreedynumber theory
18008.3k
1965CFolding Strip
constructive algorithmsgreedystrings
23002.5k
1957AStickogon
constructive algorithmsgreedy
80025.8k
1957BA BIT of a Construction
bitmasksconstructive algorithmsgreedyimplementation
110020.7k
1956ANene's Game
binary searchbrute forcedata structuresgamesgreedy
80024.5k
1956BNene and the Card Game
gamesgreedy
80023.1k
1956CNene's Magical Matrix
constructive algorithmsgreedymath
160015.4k
1956DNene and the Mex Operator
bitmasksbrute forceconstructive algorithmsdivide and conquerdpgreedyimplementationmath
20004.9k
1956E2Nene vs. Monsters (Hard Version)
brute forcegreedyimplementationmath
27001.1k
1955CInhabitant of the Deep Sea
greedyimplementationmath
130025k
1955ELong Inversions
brute forcegreedyimplementationsortings
170010.8k
1955FUnfair Game
dpgamesgreedymathschedules
18008.9k
1954APainting the Ribbon
constructive algorithmsgreedymath
90028k
1954CLong Multiplication
greedymathnumber theory
120023.2k
1954EChain Reaction
binary searchdata structuresdsugreedyimplementationmathnumber theory
22003k
1951ADual Trigger
constructive algorithmsgreedymath
90022.8k
1951BBattle Cows
binary searchdata structuresgreedy
120017k
1951CTicket Hoarding
greedymathsortings
140013.9k
1951DBuying Jewels
constructive algorithmsgreedymath
20006.4k
1951ENo Palindromes
brute forceconstructive algorithmsdivide and conquergreedyhashingimplementationmathstrings
20004.6k
1951FInversion Composition
constructive algorithmsdata structuresgreedy
25001k
1951HThanos Snap
binary searchdpgamesgreedytrees
3200380
1951IGrowing Trees
binary searchconstructive algorithmsflowsgraphsgreedy
3200118
1950F0, 1, 2, Tree!
bitmasksbrute forcegreedyimplementationtrees
170011.5k
1949BCharming Meals
binary searchbrute forcegreedysortings
15005k
1949CAnnual Ants' Gathering
dfs and similardpgreedytrees
19002.6k
1949FDating
greedysortingstrees
22001.5k
1949GScooter
graphsgreedy
23001.1k
1949HDivision Avoidance
greedymath
3100170
1948BArray Fix
brute forcedpgreedyimplementation
110026.5k
1948EClique Partition
brute forceconstructive algorithmsgraphsgreedyimplementation
21003.6k
1946AMedian of an Array
greedyimplementationsortings
80028.8k
1946BMaximum Sum
dpgreedymath
110023.9k
1946CTree Cutting
binary searchdpgreedyimplementationtrees
160014.1k
1946DBirthday Gift
bitmasksbrute forceconstructive algorithmsgreedyimplementation
19005.7k
1945ASetting up Camp
greedymath
80030.6k
1945DSeraphim the Owl
dpgreedy
130017.5k
1945EBinary Search
binary searchconstructive algorithmsgreedy
17009.9k
1944ADestroying Bridges
graphsgreedymath
80029.3k
1943AMEX Game 1
gamesgreedy
130021.9k
1943CTree Compass
constructive algorithmsdfs and similargreedytrees
23002.7k
1943E1MEX Game 2 (Easy Version)
binary searchbrute forcegreedy
2900551
1943E2MEX Game 2 (Hard Version)
binary searchgreedytwo pointers
3300379
1942C1Bessie's Birthday Cake (Easy Version)
geometrygreedymath
130012.6k
1942C2Bessie's Birthday Cake (Hard Version)
geometrygreedymath
17007k
1942DLearning to Paint
binary searchdata structuresdfs and similardpgreedyimplementationsortings
21003.4k
1941BRudolf and 121
brute forcedpgreedymath
100035.3k
1941CRudolf and the Ugly String
dpgreedystrings
90039.8k
1941FRudolf and Imbalance
binary searchgreedysortingstwo pointers
18007.6k
1937BBinary Path
dpgreedyimplementation
130017.6k
1936ABitwise Operation Wizard
bitmasksconstructive algorithmsgreedyinteractivemath
17008.8k
1936CPokémon Arena
data structuresgraphsgreedyimplementationshortest pathssortings
24001.8k
1936DBitwise Paradox
binary searchbitmasksdata structuresgreedytwo pointers
3100705
1935CMessenger in MAC
binary searchbrute forceconstructive algorithmsdata structuresdpgreedysortings
18009.9k
1935EDistance Learning Courses in MAC
bitmasksbrute forcedata structuresgreedymath
24001.7k
1935FAndrey's Tree
binary searchconstructive algorithmsdata structuresdfs and similardsugreedyimplementationtrees
2800634
1934AToo Min Too Max
greedymath
80027.5k
1934BYet Another Coin Problem
brute forcedpgreedymath
120022.4k
1934CFind a Mine
binary searchconstructive algorithmsgeometrygreedyinteractivemath
17008.2k
1934D1XOR Break --- Solo Version
bitmasksconstructive algorithmsgreedy
21004.2k
1934D2XOR Break --- Game Version
bitmasksgamesgreedyinteractive
24001.8k

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