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Problemset

11,320 problems

✓#Name✎Rating↕Solved↕
1759GRestore the Permutation
binary searchconstructive algorithmsdata structuresgreedymath
19005.6k
1758ASSeeeeiinngg DDoouubbllee
constructive algorithmsstrings
80027.2k
1758BXOR = Average
constructive algorithms
90024.2k
1758CAlmost All Multiples
greedynumber theory
140015.4k
1758DRange = √Sum
binary searchbrute forceconstructive algorithmsmathtwo pointers
18008.7k
1758ETick, Tock
combinatoricsdfs and similardsugraphs
25001.1k
1758FDecent Division
constructive algorithmsdata structures
3000245
1754ATechnical Support
greedy
80025k
1754BKevin and Permutation
constructive algorithmsgreedymath
80019.8k
1753A1Make Nonzero Sum (easy version)
constructive algorithmsdpgreedy
130016.6k
1753A2Make Nonzero Sum (hard version)
constructive algorithmsdpgreedy
150011.7k
1753BFactorial Divisibility
mathnumber theory
160015.2k
1753CWish I Knew How to Sort
dpmathprobabilities
20005.4k
1753DThe Beach
constructive algorithmsdfs and similargraphsshortest paths
24002.1k
1753EN Machines
binary searchbrute forcegreedy
3300448
1753FMinecraft Series
brute forcetwo pointers
3500257
1750AIndirect Sort
constructive algorithmsimplementationmath
80017.9k
1750BMaximum Substring
brute forcegreedyimplementation
80016.9k
1750CComplementary XOR
constructive algorithmsimplementation
140010.5k
1750DCount GCD
combinatoricsmathnumber theory
18007.6k
1750EBracket Cost
binary searchdata structuresdivide and conquerdpgreedystrings
24001.7k
1750FMajority
combinatoricsdpmathstrings
27001.3k
1750GDoping
combinatoricsdpmath
3300426
1750HBinaryStringForces
constructive algorithmsdata structuresdp
3500126
1749ACowardly Rooks
greedyimplementation
80023.4k
1749BDeath's Blessing
greedy
90022.8k
1749CNumber Game
binary searchdata structuresgamesgreedyimplementation
140015.9k
1749DCounting Arrays
combinatoricsdpmathnumber theory
19006.4k
1749ECactus Wall
constructive algorithmsdfs and similargraphsshortest paths
24002.1k
1749FDistance to the Path
data structuresdfs and similartrees
2800642
1748AThe Ultimate Square
math
80025.4k
1748BDiverse Substrings
brute forceimplementationstrings
140017k
1748CZero-Sum Prefixes
brute forcedata structuresdpgreedyimplementation
160013.3k
1748DConstructOR
bitmaskschinese remainder theoremcombinatoricsconstructive algorithmsmathnumber theory
21003.3k
1748EYet Another Array Counting Problem
binary searchdata structuresdivide and conquerdpflowsmathtrees
23002.8k
1748FCircular Xor Reversal
bitmasksconstructive algorithms
3000403
1747ATwo Groups
constructive algorithmsgreedy
80026.6k
1747BBAN BAN
constructive algorithms
90026.3k
1747CSwap Game
games
120023.7k
1747DYet Another Problem
binary searchbitmasksconstructive algorithmsdata structures
19005.7k
1747EList Generation
combinatoricsdpmath
2900703
1746AMaxmina
constructive algorithmsgreedy
80021.2k
1746BRebellion
constructive algorithmsgreedytwo pointers
80018.8k
1746CPermutation Operations
constructive algorithmsgreedyimplementationmath
130014.2k
1746DPaths on the Tree
dfs and similardpgreedysortingstrees
19005.2k
1746E1Joking (Easy Version)
binary searchconstructive algorithmsinteractiveternary search
25001.8k
1746E2Joking (Hard Version)
dpinteractive
3200593
1746FKazaee
data structureshashingprobabilities
28002.8k
1746GOlympiad Training
binary searchdata structuresdpflowsgeometryimplementationsortings
3500118
1744ANumber Replacement
greedyimplementation
80029k
1744BEven-Odd Increments
implementationmath
80025k
1744CTraffic Light
binary searchimplementationtwo pointers
100047.2k
1744DDivisibility by 2^n
greedymathsortings
120024.8k
1744E1Divisible Numbers (easy version)
brute forcemathnumber theory
150013k
1744E2Divisible Numbers (hard version)
brute forcemathnumber theory
19007k
1744FMEX vs MED
mathtwo pointers
20003.9k
1743APassword
brute forcecombinatoricsimplementationmath
80029.9k
1743BPermutation Value
constructive algorithmsgreedy
80023.3k
1743CSave the Magazines
constructive algorithmsdpgreedy
110020.8k
1743DProblem with Random Tests
brute forcedpgreedyprobabilities
17008.5k
1743EFTL
binary searchdp
24001.9k
1743FIntersection and Union
data structuresdpmatricesprobabilities
23001.9k
1743GAntifibonacci Cut
bitmaskscombinatoricsconstructive algorithmsdata structuresdphashingmath
3000414
1742ASum
implementation
800108.3k
1742BIncreasing
greedyimplementationsortings
80062.7k
1742CStripes
implementation
90040.8k
1742DCoprime
brute forcegreedynumber theory
110036.1k
1742EScuza
binary searchgreedymath
120041.2k
1742FSmaller
constructive algorithmsgreedystrings
150014.3k
1742GOrray
bitmasksbrute forcegreedymathsortings
150013.7k
1741ACompare T-Shirt Sizes
implementationstrings
80034k
1741BFunny Permutation
constructive algorithmsmath
80026.9k
1741CMinimize the Thickness
brute forcegreedymathtwo pointers
110019.6k
1741DMasha and a Beautiful Tree
dfs and similardivide and conquergraphssortingstrees
130018.7k
1741ESending a Sequence Over the Network
dp
160018.7k
1741FMulti-Colored Segments
binary searchdata structuresmathsortings
20003k
1741GKirill and Company
bitmasksbrute forcedfs and similardpflowsgraphsshortest paths
22002k
1740AFactorise N+M
constructive algorithmsnumber theory
80023.4k
1740BJumbo Extra Cheese 2
geometrygreedysortings
80014.4k
1740CBricks and Bags
constructive algorithmsgamesgreedysortings
140012.4k
1740DKnowledge Cards
constructive algorithmsdata structures
15009.2k
1740EHanging Hearts
constructive algorithmsdata structuresdfs and similardpgreedytrees
18005.1k
1740FConditional Mix
combinatoricsdpmath
26001.2k
1740GDangerous Laser Power
constructive algorithmsdsusortings
3100404
1740HMEX Tree Manipulation
data structurestrees
3300466
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500188
1739AImmobile Knight
implementation
80023.9k
1739BArray Recovery
constructive algorithmsgreedymath
110024.7k
1739CCard Game
combinatoricsconstructive algorithmsdpgames
150010.2k
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.5k
1739ECleaning Robot
bitmasksdp
24001.5k
1739FKeyboard Design
bitmasksdata structuresdpstring suffix structuresstrings
2600671
1738AGlory Addicts
greedyimplementationsortings
80014.2k
1738BPrefix Sum Addicts
constructive algorithmsgreedymathsortings
120019.1k
1738CEven Number Addicts
dpgamesgreedymath
150013k
1738DPermutation Addicts
constructive algorithmsdata structuresdfs and similardsugraphstrees
19003.8k
1738EBalance Addicts
combinatoricsdpmathtwo pointers
23001.9k
1738FConnectivity Addicts
constructive algorithmsdsugraphsgreedyinteractiveshortest pathstrees
24001.4k
1738GAnti-Increasing Addicts
constructive algorithmsdpgreedymath
2900578
1738HPalindrome Addicts
data structuresstrings
3300309

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