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Problemset

667 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
1617BGCD Problem
brute forceconstructive algorithmsmathnumber theory
90027.2k
1617EChristmas Chocolates
dfs and similardpgamesgraphsimplementationmathnumber theoryshortest pathstrees
27001.1k
1612DX-Magic Pair
mathnumber theory
160010.4k
1610DNot Quite Lee
combinatoricsdpmathnumber theory
20003.1k
1609ADivide and Multiply
greedyimplementationmathnumber theory
90019.1k
1608DDominoes
combinatoricsfftgraphsmathnumber theory
24001.6k
1605AA.M. Deviation
mathnumber theory
80021.7k
1605EArray Equalizer
binary searchgreedyimplementationmathnumber theorysortingstwo pointers
24001.2k
1603ADi-visible Confusion
constructive algorithmsmathnumber theory
130017.9k
1603BModerate Modular Mode
constructive algorithmsmathnumber theory
160015.2k
1603CExtreme Extension
dpgreedymathnumber theory
23002.3k
1601AArray Elimination
bitmasksgreedymathnumber theory
130022.3k
1593D1All are Same
mathnumber theory
110022.2k
1593D2Half of Same
brute forcemathnumber theory
19005.6k
1592DHemose in ICPC ?
binary searchdfs and similarimplementationinteractivemathnumber theorytrees
23002.7k
1583AWindblume Ode
mathnumber theory
80014.4k
1581ACQXYM Count Permutations
combinatoricsmathnumber theory
80014.3k
1579FArray Stabilization (AND version)
brute forcegraphsmathnumber theoryshortest paths
17005.4k
1575GGCD Festival
mathnumber theory
2200868
1566HXor-quiz
constructive algorithmsdpinteractivemathnumber theory
3200177
1562BScenes From a Memory
brute forceconstructive algorithmsimplementationmathnumber theory
100020.7k
1562FTubular Bells
interactivemathnumber theoryprobabilities
2900467
1561D1Up the Strip (simplified version)
brute forcedata structuresdpmathnumber theory
17006.2k
1559EMocha and Stars
combinatoricsdpfftmathnumber theory
22002.8k
1558BUp the Strip
brute forcedpmathnumber theorytwo pointers
19005.3k
1554EYou
dfs and similardpmathnumber theory
26001.4k
1553ADigits Sum
mathnumber theory
80034.6k
1553GCommon Divisor Graph
brute forceconstructive algorithmsdsugraphshashingmathnumber theory
27001.3k
1549AGregor and Cryptography
mathnumber theory
80035.9k
1548BIntegers Have Friends
binary searchdata structuresdivide and conquermathnumber theorytwo pointers
180011.6k
1548D1Gregor and the Odd Cows (Easy)
bitmasksgeometrymathnumber theory
23001.6k
1548D2Gregor and the Odd Cows (Hard)
brute forcegeometrymathnumber theory
3300346
1543AExciting Bets
greedymathnumber theory
90043.3k
1542BPlus and Multiply
constructive algorithmsmathnumber theory
150026.9k
1542CStrange Function
mathnumber theory
160016.4k
1541BPleasant Pairs
brute forceimplementationmathnumber theory
120040.3k
1538DAnother Problem About Dividing Numbers
constructive algorithmsmathnumber theory
170015.5k
1538FInteresting Function
binary searchdpmathnumber theory
150022.5k
1537DDeleting Divisors
gamesmathnumber theory
170013.8k
1535BArray Reodering
brute forcegreedymathnumber theorysortings
90034.5k
1526BI Hate 1111
dpmathnumber theory
140037.5k
1525APotion-making
mathnumber theory
80027.1k
1521ANastia and Nearly Good Numbers
constructive algorithmsmathnumber theory
100042.6k
1521BNastia and a Good Array
constructive algorithmsmathnumber theory
130023.1k
1520BOrdinary Numbers
brute forcemathnumber theory
80050.3k
1515BPhoenix and Puzzle
brute forcegeometrymathnumber theory
100027.3k
1515GPhoenix and Odometers
dfs and similargraphsmathnumber theory
27001.4k
1514APerfectly Imperfect Array
mathnumber theory
80025.5k
1512GShort Task
brute forcedpmathnumber theory
17009.6k
1511BGCD Length
constructive algorithmsmathnumber theory
110024.9k
1510DDigits
dpmathnumber theory
21002.1k
1500BTwo chandeliers
binary searchbrute forcechinese remainder theoremmathnumber theory
22002.4k
1499DThe Number of Pairs
dpmathnumber theory
21007.3k
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
1487BCat Cycle
mathnumber theory
120030.2k
1487DPythagorean Triples
binary searchbrute forcemathnumber theory
150020.9k
1485AAdd and Divide
brute forcegreedymathnumber theory
100035.1k
1485CFloor and Mod
binary searchbrute forcemathnumber theory
170011.2k
1485DMultiples and Power Differences
constructive algorithmsgraphsmathnumber theory
22005.7k
1479ESchool Clubs
dpfftmathnumber theoryprobabilities
3500432
1477ANezzar and Board
constructive algorithmsmathnumber theory
18006.6k
1475AOdd Divisor
mathnumber theory
90090.8k
1475GStrange Beauty
dpmathnumber theorysortings
19008k
1474BDifferent Divisors
binary searchconstructive algorithmsgreedymathnumber theory
100042.4k
1473BString LCM
brute forcemathnumber theorystrings
100035.5k
1471AStrange Partition
greedymathnumber theory
90040.4k
1470BStrange Definition
bitmasksgraphshashingmathnumber theory
19006.8k
1469DCeil Divisions
brute forceconstructive algorithmsmathnumber theory
170010.3k
1468LPrime Divisors Selection
binary searchgreedymathnumber theory
2700382
1462DAdd to Neighbour and Remove
greedymathnumber theory
140018.4k
1458ARow GCD
mathnumber theory
160026.4k
1455AStrange Functions
mathnumber theory
80027.5k
1454DNumber into Sequence
constructive algorithmsmathnumber theory
130022.5k
1444ADivision
brute forcemathnumber theory
150014.6k
1436FSum Over Subsets
combinatoricsmathnumber theory
2800693
1427EXum
bitmasksconstructive algorithmsmathmatricesnumber theory
25001.7k
1423KLonely Numbers
binary searchmathnumber theorytwo pointers
16005.5k
1422FBoring Queries
data structuresmathnumber theory
27001.4k
1419EDecryption
constructive algorithmsimplementationmathnumber theory
21003.5k
1418FEqual Product
data structuresmathnumber theorytwo pointers
3000518
1409CYet Another Array Restoration
brute forcemathnumber theory
120024.8k
1407BBig Vova
brute forcegreedymathnumber theory
130018.2k
1406EDeleting Numbers
interactivemathnumber theory
26001.9k
1404DGame of Pairs
constructive algorithmsdfs and similarinteractivemathnumber theory
28001.3k
1401CMere Array
constructive algorithmsmathnumber theorysortings
130027.3k
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1398GRunning Competition
bitmasksfftmathnumber theory
26001.3k
1397BPower Sequence
brute forcemathnumber theorysortings
150015.6k
1389ALCM Problem
constructive algorithmsgreedymathnumber theory
80051.4k
1389ECalendar Ambiguity
mathnumber theory
22003.8k
1388ACaptain Flint and Crew Recruitment
brute forcegreedymathnumber theory
80026k
1379BDubious Cyrpto
binary searchbrute forcemathnumber theory
150013.2k
1375ICubic Lattice
geometrymathmatricesnumber theory
3500282
1372BOmkar and Last Class of Math
greedymathnumber theory
130037.9k
1371E1Asterism (Easy Version)
binary searchbrute forcecombinatoricsmathnumber theorysortings
19005.5k
1371E2Asterism (Hard Version)
binary searchcombinatoricsdpmathnumber theorysortings
23002.5k
1370AMaximum GCD
greedyimplementationmathnumber theory
80066.6k
1370BGCD Compression
constructive algorithmsmathnumber theory
110025.3k

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