cf/mirror
11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

99 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2187CJerry and Tom
data structuresdfs and similardsugamesgraphsgreedytrees
23001.5k
2164EJourney
data structuresdfs and similardsugraphsgreedy
23003.6k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2155FJuan's Colorful Tree
data structuresdfs and similardsugraphsmeet-in-the-middletrees
2800745
2126F1-1-1, Free Tree!
brute forcedata structuresdfs and similargraphsimplementationtrees
20004.4k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2069FGraph Inclusion
data structuresdfs and similardivide and conquerdsugraphs
2800824
2068EPorto Vs. Benfica
data structuresdfs and similardsugraphsshortest paths
2800384
2065FSkibidus and Slay
data structuresdfs and similargraphsgreedytrees
17007.3k
2063CRemove Exactly Two
brute forcedata structuresdfs and similardpgraphsgreedysortingstrees
160015.1k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2063F2Counting Is Not Fun (Hard Version)
combinatoricsdata structuresdfs and similardsugraphsimplementationtrees
2700951
2062E1The Game (Easy Version)
data structuresdfs and similargamesgraphsgreedytrees
20004.4k
2062E2The Game (Hard Version)
data structuresdfs and similargamesgraphsimplementationtrees
3000464
2043EMatrix Transformation
bitmasksbrute forcedata structuresdfs and similargraphsgreedyimplementation
23001.9k
2033ESakurako, Kosuke, and the Permutation
brute forcedata structuresdfs and similardsugraphsgreedymath
140014.5k
2029DCool Graph
constructive algorithmsdata structuresdfs and similardsugraphsgreedytrees
19004k
2027CAdd Zeros
brute forcedata structuresdfs and similardpgraphsgreedy
150014.1k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
2002D1DFS Checker (Easy Version)
brute forcedata structuresdfs and similargraphshashingtrees
19005.2k
2002D2DFS Checker (Hard Version)
binary searchdata structuresdfs and similargraphshashingtrees
23002.9k
1985H1Maximize the Largest Component (Easy Version)
brute forcedata structuresdfs and similardsugraphsimplementation
17007.4k
1980GYasya and the Mysterious Tree
bitmasksdata structuresdfs and similargraphsgreedystringstrees
23001.8k
1978FLarge Graph
data structuresdfs and similardsugraphsnumber theorytwo pointers
24001.6k
1940CBurenka and Pether
*specialdata structuresdfs and similardivide and conquerdsugraphssortingstrees
unrated44
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1920F1Smooth Sailing (Easy Version)
binary searchbrute forcedata structuresdfs and similardsugraphsshortest paths
25001.3k
1914G2Light Bulbs (Hard Version)
combinatoricsdata structuresdfs and similardpgraphshashing
23001.9k
1904ETree Queries
data structuresdfs and similargraphsimplementationtrees
25001.4k
1904FBeautiful Tree
data structuresdfs and similargraphsimplementationtrees
2800581
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1860EFast Travel Text Editor
data structuresdfs and similargraphsshortest paths
24001.9k
1859FTeleportation in Byteland
data structuresdfs and similardivide and conquergraphsshortest pathstrees
3200582
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1810EMonsters
brute forcedata structuresdfs and similardsugraphsgreedy
21004k
1770DKoxia and Game
constructive algorithmsdata structuresdfs and similardsuflowsgamesgraph matchingsgraphsimplementation
20004.5k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1738DPermutation Addicts
constructive algorithmsdata structuresdfs and similardsugraphstrees
19003.8k
1691ENumber of Groups
data structuresdfs and similardsugraphsgreedysortings
23002.2k
1670CWhere is the Pizza?
data structuresdfs and similardsugraphsimplementationmath
140011.1k
1662FAntennas
data structuresdfs and similargraphsimplementationshortest paths
unrated1.3k
1654GSnowy Mountain
data structuresdfs and similargraphsgreedyshortest pathstrees
2900474
1651DNearest Excluded Points
binary searchdata structuresdfs and similargraphsshortest paths
19006.7k
1650GCounting Shortcuts
data structuresdfs and similardpgraphsshortest paths
21003k
1648EAir Reform
data structuresdfs and similardivide and conquerdsugraphsimplementationtrees
3200601
1648FTwo Avenues
data structuresdfs and similargraphs
3500190
1634EFair Share
constructive algorithmsdata structuresdfs and similargraph matchingsgraphs
24002.3k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1632E1Distance Tree (easy version)
binary searchdata structuresdfs and similargraphsshortest pathstrees
24001.4k
1625E1Cats on the Upgrade (easy version)
brute forcedata structuresdfs and similardivide and conquerdpgraphstrees
25001.2k
1625E2Cats on the Upgrade (hard version)
binary searchdata structuresdfs and similargraphstrees
2800705
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1608CGame Master
data structuresdfs and similardpgraphsgreedytwo pointers
17007.4k
1601BFrog Traveler
data structuresdfs and similardpgraphsshortest pathstwo pointers
19005.6k
1574DThe Strongest Build
binary searchbrute forcedata structuresdfs and similargraphsgreedyhashingimplementation
20004.9k
1508CComplete the MST
bitmasksbrute forcedata structuresdfs and similardsugraphsgreedytrees
25001.8k
1476EPattern Matching
bitmasksdata structuresdfs and similargraphshashingsortingsstrings
23002.8k
1444CTeam-Building
data structuresdfs and similardsugraphs
25001.9k
1419FRain of Fire
binary searchdata structuresdfs and similardsugraphsimplementation
2800632
1403BSpring cleaning
*specialdata structuresdfs and similargraphstrees
2300437
1388DCaptain Flint and Treasure
data structuresdfs and similargraphsgreedyimplementationtrees
20007k
1348FPhoenix and Memory
data structuresdfs and similargraphsgreedy
2600968
1335FRobots on a Grid
data structuresdfs and similardsugraphsgreedymatrices
22002.5k
1307DCow and Fields
binary searchdata structuresdfs and similargraphsgreedyshortest pathssortings
19007.4k
1286BNumbers on Tree
constructive algorithmsdata structuresdfs and similargraphsgreedytrees
18005.7k
1282EThe Cake Is a Lie
constructive algorithmsdata structuresdfs and similargraphs
24001.2k
1263FEconomic Difficulties
data structuresdfs and similardpflowsgraphstrees
2400982
1213FUnstable String Sort
data structuresdfs and similardsugraphsgreedyimplementationstrings
21003.1k
1209FKoala and Notebook
data structuresdfs and similargraphsshortest pathsstringstrees
26001.4k
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1158CPermutation recovery
constructive algorithmsdata structuresdfs and similargraphsgreedymathsortings
21002.3k
1111ETree
data structuresdfs and similardpgraphstrees
25001.2k
1106DLunar New Year and a Wander
data structuresdfs and similargraphsgreedyshortest paths
150020.7k
1042FLeaf Sets
data structuresdfs and similardsugraphsgreedysortingstrees
24001.6k
958B2Maximum Control (medium)
data structuresdfs and similargraphsgreedytrees
2200765
920EConnected Components?
data structuresdfs and similardsugraphs
21008k
901CBipartite Segments
binary searchdata structuresdfs and similardsugraphstwo pointers
23001.3k
877DOlya and Energy Drinks
data structuresdfs and similargraphsshortest paths
21005.3k
840BLeha and another game about graph
constructive algorithmsdata structuresdfs and similardpgraphs
21002.9k
827DBest Edge Weight
data structuresdfs and similargraphstrees
27001.5k
825EMinimal Labels
data structuresdfs and similargraphsgreedy
23004.4k
766DMahmoud and a Dictionary
data structuresdfs and similardpdsugraphs
20004k
739BAlyona and a tree
binary searchdata structuresdfs and similargraphstrees
19005.2k
708CCentroids
data structuresdfs and similardpgraphsgreedytrees
23004.5k
659ENew Reform
data structuresdfs and similardsugraphsgreedy
16008.1k
639FBear and Chemistry
data structuresdfs and similargraphstrees
3300610
609EMinimum spanning tree for each edge
data structuresdfs and similardsugraphstrees
210010.7k
593DHappy Tree Party
data structuresdfs and similargraphsmathtrees
24001.5k
487ETourists
data structuresdfs and similargraphstrees
32003k
362DFools and Foolproof Roads
data structuresdfs and similardsugraphsgreedy
21001.1k
343DWater Tree
data structuresdfs and similargraphstrees
21007.1k
253CText Editor
data structuresdfs and similargraphsgreedyshortest paths
16002.9k
231ECactus
data structuresdfs and similardpgraphstrees
21002.4k
144DMissile Silos
data structuresdfs and similargraphsshortest paths
19005.2k
29CMail Stamps
data structuresdfs and similargraphsimplementation
17006.7k

showing 1–99 of 99