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

Problemset

59 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2234CVessels, Heights and Two Versions (Easy Version)
dfs and similardsugreedyimplementationtwo pointers
120012k
2234FVessels, Heights and Two Versions (Hard Version)
data structuresdfs and similardsugreedyimplementationtwo pointers
19002.3k
2228C2Cirno and Number (Hard Version)
binary searchdfs and similardpgreedyimplementation
16006.1k
2193HRemove the Grail Tree
dfs and similardpgraphsgreedyimplementationtrees
24001.1k
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2183D2Tree Coloring (Hard Version)
combinatoricsconstructive algorithmsdata structuresdfs and similargreedyimplementationtrees
21002.6k
2176ERemove at the lowest cost
data structuresdfs and similardpdsugreedyimplementationtrees
24001.3k
2134DSliding Tree
constructive algorithmsdfs and similargreedyimplementationtrees
23003.8k
2127H23 Rises Again
brute forcedfs and similardpflowsgraph matchingsgraphsgreedyimplementationprobabilitiestrees
31001.9k
2108ESpruce Dispute
constructive algorithmsdfs and similargraphsgreedyimplementationshortest pathstrees
2600922
2107DApple Tree Traversing
brute forcedfs and similargreedyimplementationtrees
21003.6k
2086CDisappearing Permutation
dfs and similardpdsugraphsgreedyimplementation
130016.6k
2043EMatrix Transformation
bitmasksbrute forcedata structuresdfs and similargraphsgreedyimplementation
23001.9k
2042EVertex Pairs
binary searchbrute forcedata structuresdfs and similardivide and conquergreedyimplementationtrees
2900535
2031DPenchick and Desert Rabbit
binary searchdata structuresdfs and similardpdsugreedyimplementationtwo pointers
170010.1k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2023CC+K+S
constructive algorithmsdfs and similargraphsgreedyhashingimplementationstrings
24001.4k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2003D2Turtle and a MEX Problem (Hard Version)
dfs and similardpgraphsgreedyimplementationmath
21004.7k
1942DLearning to Paint
binary searchdata structuresdfs and similardpgreedyimplementationsortings
21003.4k
1935FAndrey's Tree
binary searchconstructive algorithmsdata structuresdfs and similardsugreedyimplementationtrees
2800634
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1926GVlad and Trouble at MIT
dfs and similardpflowsgraphsgreedyimplementationtrees
19004.7k
1918FCaterpillar on a Tree
dfs and similargraphsgreedyimplementationsortingstrees
25001.2k
1907GLights
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementation
22002.4k
1867DCyclic Operations
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementation
18006.9k
1856E2PermuTree (hard version)
bitmasksdfs and similardpfftgreedyimplementationmathtrees
27001.8k
1850HThe Third Letter
dfs and similardsugraphsgreedyimplementation
170010.2k
1833GKsyusha and Chinchilla
constructive algorithmsdfs and similardpdsugreedyimplementationtrees
18006.5k
1799ECity Union
constructive algorithmsdfs and similardsugeometrygreedyimplementationmath
23001.4k
1788FXOR, Tree, and Queries
bitmasksconstructive algorithmsdfs and similardsugraphsgreedyimplementationtrees
25001.2k
1735CPhase Shift
dfs and similardsugraphsgreedyimplementationstrings
140011k
1605DTreelabeling
bitmasksconstructive algorithmsdfs and similargamesgreedyimplementationtrees
21003.3k
1593EGardener and Tree
brute forcedata structuresdfs and similargreedyimplementationtrees
160015.1k
1574DThe Strongest Build
binary searchbrute forcedata structuresdfs and similargraphsgreedyhashingimplementation
20004.9k
1549BGregor and the Pawn Game
dfs and similardpflowsgraph matchingsgraphsgreedyimplementation
80027.2k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1520GTo Go Or Not To Go?
brute forcedfs and similargraphsgreedyimplementationshortest paths
22004.4k
1517CFillomino 2
constructive algorithmsdfs and similargreedyimplementation
140014.3k
1492EAlmost Fault-Tolerant Database
brute forceconstructive algorithmsdfs and similargreedyimplementation
25001.3k
1487CMinimum Ties
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementationmath
150015.6k
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1388DCaptain Flint and Treasure
data structuresdfs and similargraphsgreedyimplementationtrees
20007k
1369EDeadLee
data structuresdfs and similargreedyimplementationsortings
24002.5k
1365DSolve The Maze
constructive algorithmsdfs and similardsugraphsgreedyimplementationshortest paths
170021.3k
1364DEhab's Last Corollary
constructive algorithmsdfs and similargraphsgreedyimplementationtrees
21005.1k
1332CK-Complete Word
dfs and similardsugreedyimplementationstrings
150021.7k
1324CFrog Jumps
binary searchdata structuresdfs and similargreedyimplementation
110030.8k
1303CPerfect Keyboard
dfs and similargreedyimplementation
160013.1k
1213FUnstable String Sort
data structuresdfs and similardsugraphsgreedyimplementationstrings
21003.1k
1186FVus the Cossack and a Graph
dfs and similargraphsgreedyimplementation
24001.2k
1175EMinimal Segment Cover
data structuresdfs and similardivide and conquerdpgreedyimplementationtrees
22004.7k
1156BUgly Pairs
dfs and similargreedyimplementationsortingsstrings
18006.6k
910AThe Way to Home
dfs and similardpgreedyimplementation
80014.3k
765ETree Folding
dfs and similardpgreedyimplementationtrees
22001.4k
723DLakes in Berland
dfs and similardsugraphsgreedyimplementation
16007.6k
526BOm Nom and Dark Park
dfs and similargreedyimplementation
14004.7k
520BTwo Buttons
dfs and similargraphsgreedyimplementationmathshortest paths
140064.7k
57ASquare Earth?
dfs and similargreedyimplementation
13003.3k

showing 1–59 of 59