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

Problemset

157 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2244EMasha and the Garland
data structuresdpgreedyimplementationmathnumber theorystrings
unrated7.6k
2228C1Cirno and Number (Easy Version)
binary searchbrute forcedpgreedyimplementation
15008k
2228C2Cirno and Number (Hard Version)
binary searchdfs and similardpgreedyimplementation
16006.1k
2215DEXPloration, EXPloitation, and Gain Some EXPerience!
bitmasksbrute forcedpgreedyimplementation
2800162
2205DSimons and Beating Peaks
data structuresdivide and conquerdpgreedyimplementationtrees
17005.6k
2202BABAB Construction
dpgreedyimplementation
120012.5k
2194EThe Turtle Strikes Back
dpgraphsgreedyimplementation
20002.8k
2193HRemove the Grail Tree
dfs and similardpgraphsgreedyimplementationtrees
24001.1k
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2179BBlackslex and Showering
dpgreedyimplementation
80029.1k
2178BImpost or Sus
dpgreedyimplementationstrings
90022.4k
2178CFirst or Second
dpgreedyimplementation
120016.5k
2176ERemove at the lowest cost
data structuresdfs and similardpdsugreedyimplementationtrees
24001.3k
2171DRae Taylor and Trees (easy version)
binary searchdata structuresdpdsugreedyimplementationtrees
140012.3k
2171FRae Taylor and Trees (hard version)
binary searchconstructive algorithmsdata structuresdpdsugreedyimplementationtrees
16007.6k
2159BRectangles
brute forcedata structuresdpdsugreedyimplementationtwo pointers
21003.4k
2157EAdjusting Drones
binary searchbrute forcedata structuresdpdsugreedyimplementationsortings
19004.6k
2147CRabbits
constructive algorithmsdpgreedyimplementation
150011.3k
2127H23 Rises Again
brute forcedfs and similardpflowsgraph matchingsgraphsgreedyimplementationprobabilitiestrees
31001.9k
2121ESponsor of Your Problems
dpgreedyimplementationstrings
150015.1k
2108CNeo's Escape
binary searchbrute forcedata structuresdpdsugraphsgreedyimplementation
150015.1k
2104BMove to the End
brute forcedata structuresdpgreedyimplementation
100021.3k
2086CDisappearing Permutation
dfs and similardpdsugraphsgreedyimplementation
130016.6k
2078DScammy Game Ad
dpgreedyimplementation
18006.7k
2066BWhite Magic
constructive algorithmsdata structuresdpgreedyimplementation
19005.6k
2053FEarnest Matrix Complement
brute forcedata structuresdpgreedyimplementationmath
2600963
2043FNim
bitmasksbrute forcecombinatoricsdpgamesgreedyimplementationshortest paths
2700918
2031DPenchick and Desert Rabbit
binary searchdata structuresdfs and similardpdsugreedyimplementationtwo pointers
170010.1k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2030EMEXimize the Score
combinatoricsdata structuresdpgreedyimplementationmath
22002k
2030FOrangutan Approved Subarrays
binary searchdata structuresdpgreedyimplementationtwo pointers
24001.2k
2028DAlice's Adventures in Cards
constructive algorithmsdata structuresdpgraphsgreedyimplementationternary search
20003.8k
2027D1The Endspeaker (Easy Version)
binary searchdpgraphsgreedyimplementationtwo pointers
17007.1k
2027D2The Endspeaker (Hard Version)
binary searchdata structuresdpgreedyimplementationtwo pointers
22001.9k
2021DBoss, Thirsty
dpgreedyimplementation
2500975
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2018BSpeedbreaker
binary searchdata structuresdpgreedyimplementationtwo pointers
19005.3k
2018DMax Plus Min Plus Size
data structuresdpdsugreedyimplementationmatricessortings
22002.2k
2013F1Game in Tree (Easy Version)
binary searchbrute forcedata structuresdpgamesgreedyimplementationtrees
2700679
2008EAlternating String
brute forcedata structuresdpgreedyimplementationstrings
150013.8k
2005E1Subtangle Game (Easy Version)
dpgamesgreedyimplementation
21003.4k
2005E2Subtangle Game (Hard Version)
data structuresdpgamesgreedyimplementation
25001.1k
2003D2Turtle and a MEX Problem (Hard Version)
dfs and similardpgraphsgreedyimplementationmath
21004.7k
2000FColor Rows and Columns
dpgreedyimplementationmath
19007.1k
1992DTest of Love
dpgreedyimplementation
120024.5k
1990DGrid Puzzle
bitmasksbrute forcedpgreedyimplementation
18007.9k
1986DMathematical Problem
brute forcedpgreedyimplementationmathtwo pointers
140018.2k
1978EComputing Machine
brute forcedata structuresdpgreedyimplementation
20004.7k
1976CJob Interview
binary searchdpgreedyimplementationtwo pointers
160012.6k
1971DBinary Cut
dpgreedyimplementationsortingsstrings
110031k
1969FCard Pairing
dpgreedyhashingimplementation
3000413
1956DNene and the Mex Operator
bitmasksbrute forceconstructive algorithmsdivide and conquerdpgreedyimplementationmath
20004.9k
1948BArray Fix
brute forcedpgreedyimplementation
110026.5k
1946CTree Cutting
binary searchdpgreedyimplementationtrees
160014.1k
1942DLearning to Paint
binary searchdata structuresdfs and similardpgreedyimplementationsortings
21003.4k
1937BBinary Path
dpgreedyimplementation
130017.5k
1932AThorns and Coins
dpgreedyimplementation
80034.4k
1930D2Sum over all Substrings (Hard Version)
bitmasksdivide and conquerdpdsugreedyimplementationstrings
21003.1k
1926GVlad and Trouble at MIT
dfs and similardpflowsgraphsgreedyimplementationtrees
19004.7k
1923BMonsters Attack!
dpgreedyimplementation
110020.1k
1914DThree Activities
brute forcedpgreedyimplementationsortings
120040.7k
1901DYet Another Monster Fight
binary searchdpgreedyimplementationmath
17008.8k
1868B2Candy Party (Hard Version)
bitmasksconstructive algorithmsdpgreedyimplementationmath
21002.8k
1862AGift Carpet
dpgreedyimplementationstrings
80036.6k
1856E2PermuTree (hard version)
bitmasksdfs and similardpfftgreedyimplementationmathtrees
27001.8k
1844CParticles
dpgreedyimplementationmath
130018.1k
1833GKsyusha and Chinchilla
constructive algorithmsdfs and similardpdsugreedyimplementationtrees
18006.5k
1808CUnlucky Numbers
brute forcedpgreedyimplementation
19004.4k
1807G1Subsequence Addition (Easy Version)
brute forcedata structuresdpgreedyimplementationsortings
110022.7k
1807G2Subsequence Addition (Hard Version)
bitmasksdpgreedyimplementationsortings
110029.4k
1804DAccommodation
brute forcedpgreedyimplementation
20005.3k
1794ELabeling the Tree with Distances
data structuresdpgreedyhashingimplementationtrees
24001.6k
1793DMoscow Gorillas
binary searchdpgreedyimplementationmathtwo pointers
18007.2k
1789FServal and Brain Power
bitmasksbrute forcedpgreedyimplementationstrings
27001k
1748CZero-Sum Prefixes
brute forcedata structuresdpgreedyimplementation
160013.3k
1737DEla and the Wiring Wizard
brute forcedpgraphsgreedyimplementationshortest paths
22002.1k
1732BUgu
brute forcedpgreedyimplementation
90017.5k
1716CRobot in a Hallway
data structuresdpgreedyimplementationternary search
20004.7k
1706CQpwoeirut And The City
dpflowsgreedyimplementation
140016.3k
1697EColoring
brute forcecombinatoricsconstructive algorithmsdpgeometrygraphsgreedyimplementationmath
24001.5k
1696HMaximum Product?
brute forcecombinatoricsdpgreedyimplementationmathtwo pointers
3500215
1678B2Tokitsukaze and Good 01-String (hard version)
dpgreedyimplementation
18007.4k
1659CLine Empire
binary searchbrute forcedpgreedyimplementationmath
150015.8k
1650FVitaly and Advanced Useless Algorithms
dpgreedyimplementation
22001.7k
1644CIncrease Subarray Sums
brute forcedpgreedyimplementation
140015.1k
1626CMonsters And Spells
binary searchdata structuresdpgreedyimplementationmathtwo pointers
170012k
1621ENew School
binary searchdata structuresdpgreedyimplementationsortings
23002k
1620CBA-String
brute forcedpgreedyimplementationmath
18007.3k
1619EMEX and Increments
constructive algorithmsdata structuresdpgreedyimplementationmathsortings
170010.3k
1580APortal
brute forcedata structuresdpgreedyimplementation
17003.9k
1566FPoints Movement
data structuresdpgreedyimplementationsortings
26001.2k
1549BGregor and the Pawn Game
dfs and similardpflowsgraph matchingsgraphsgreedyimplementation
80027.2k
1539EGame with Cards
binary searchconstructive algorithmsdata structuresdpgreedyimplementation
25001.1k
1537E1Erase and Extend (Easy Version)
binary searchbrute forcedpgreedyhashingimplementationstring suffix structuresstringstwo pointers
160016.9k
1535CUnstable String
binary searchdpgreedyimplementationstringstwo pointers
140017.9k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1512FEducation
brute forcedpgreedyimplementation
19006.9k
1499BBinary Removals
brute forcedpgreedyimplementation
100022.1k
1494C1D Sokoban
binary searchdpgreedyimplementationtwo pointers
19005.8k
1491CPekora and Trampoline
brute forcedata structuresdpgreedyimplementation
17008.4k

showing 1–100 of 157