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Problemset

1,073 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
1433DDistricts Connection
constructive algorithmsdfs and similar
120032k
1430GYet Another DAG Problem
bitmasksdfs and similardpflowsgraphsmath
2600949
1419FRain of Fire
binary searchdata structuresdfs and similardsugraphsimplementation
2800632
1411CPeaceful Rooks
dfs and similardsugraphs
17008.7k
1407EEgor in the Republic of Dagestan
constructive algorithmsdfs and similardpgraphsgreedyshortest paths
25002k
1406CLink Cut Centroids
constructive algorithmsdfs and similargraphstrees
170012k
1404BTree Tag
dfs and similardpgamestrees
19008.3k
1404DGame of Pairs
constructive algorithmsdfs and similarinteractivemathnumber theory
28001.3k
1403BSpring cleaning
*specialdata structuresdfs and similargraphstrees
2300437
1402CStar Trek
*specialcombinatoricsdfs and similardpgamesgraphsmatricestrees
2600271
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1400Fx-prime Substrings
brute forcedfs and similardpstring suffix structuresstrings
28001.2k
1399E1Weights Division (easy version)
data structuresdfs and similargreedytrees
20006.4k
1399E2Weights Division (hard version)
binary searchdfs and similargreedysortingstreestwo pointers
22002.6k
1396EDistance Matching
constructive algorithmsdfs and similartrees
3200441
1394BBoboniu Walks on Graph
brute forcedfs and similargraphshashing
23002.2k
1393DRarity and New Dress
dfs and similardpimplementationshortest paths
21004.2k
1392GOmkar and Pies
bitmasksdfs and similardpmathshortest paths
2900733
1391EPairs of Pairs
constructive algorithmsdfs and similargraphsgreedytrees
26002.1k
1389GDirecting Edges
dfs and similardpgraphstrees
2800540
1388CUncle Bogdan and Country Happiness
dfs and similargreedymathtrees
180010.5k
1388DCaptain Flint and Treasure
data structuresdfs and similargraphsgreedyimplementationtrees
20007k
1387AGraph
*specialbinary searchdfs and similardpmathternary search
2100974
1387B2Village (Maximum)
*specialdfs and similartrees
25001.4k
1385EDirecting Edges
constructive algorithmsdfs and similargraphs
20009.5k
1385GColumns Swaps
2-satdfs and similardsugraphsimplementation
23001.9k
1381DThe Majestic Brown Tree Snake
dfs and similardpgreedytreestwo pointers
3000832
1379CChoosing flowers
binary searchbrute forcedata structuresdfs and similardpgreedysortingstwo pointers
20006.2k
1375GTree Modification
brute forceconstructive algorithmsdfs and similargraph matchingsgraphstrees
28002.3k
1370F1The Hidden Pair (Easy Version)
binary searchdfs and similargraphsinteractiveshortest pathstrees
24001.8k
1370F2The Hidden Pair (Hard Version)
binary searchdfs and similargraphsinteractiveshortest pathstrees
27001.7k
1369EDeadLee
data structuresdfs and similargreedyimplementationsortings
24002.5k
1369FBareLee
dfs and similardpgames
2700743
1367ENecklace Assembly
brute forcedfs and similardpgraphsgreedynumber theory
19005.9k
1365DSolve The Maze
constructive algorithmsdfs and similardsugraphsgreedyimplementationshortest paths
170021.3k
1364DEhab's Last Corollary
constructive algorithmsdfs and similargraphsgreedyimplementationtrees
21005.1k
1363ETree Shuffling
dfs and similardpgreedytrees
20007.6k
1361CJohnny and Megan's Necklace
binary searchbitmasksconstructive algorithmsdfs and similardsugraphs
25002.1k
1361EJames and the Chase
dfs and similargraphsprobabilitiestrees
30001k
1354EGraph Coloring
dfs and similardpgraphs
21003.8k
1352FBinary String Reconstruction
constructive algorithmsdfs and similarmath
150019.8k
1349COrac and Game of Life
dfs and similargraphsimplementationshortest paths
20004.9k
1348FPhoenix and Memory
data structuresdfs and similargraphsgreedy
2600968
1344BMonopole Magnets
constructive algorithmsdfs and similardsugraphs
20006.4k
1344CQuantifier Question
dfs and similardpgraphsmath
26002k
1340CNastya and Unexpected Guest
dfs and similardpgraphsshortest paths
24002.5k
1340DNastya and Time Machine
constructive algorithmsdfs and similargraphstrees
26001.1k
1338BEdge Weight Assignment
bitmasksconstructive algorithmsdfs and similargreedymathtrees
18009.7k
1338DNested Rubber Bands
constructive algorithmsdfs and similardpmathtrees
27001.2k
1336ALinova and Kingdom
dfs and similardpgreedysortingstrees
160025.5k
1335FRobots on a Grid
data structuresdfs and similardsugraphsgreedymatrices
22002.5k
1332CK-Complete Word
dfs and similardsugreedyimplementationstrings
150021.7k
1332FIndependent Set
dfs and similardptrees
25001.2k
1331EJordan Smiley
*specialdfs and similargeometryimplementation
unrated1.2k
1328ETree Queries
dfs and similargraphstrees
190012.3k
1327DInfinite Path
brute forcedfs and similargraphsmathnumber theory
22003.6k
1325CEhab and Path-etic MEXs
constructive algorithmsdfs and similargreedytrees
150017.9k
1325EEhab's REAL Number Theory Problem
brute forcedfs and similargraphsnumber theoryshortest paths
26002.4k
1325FEhab's Last Theorem
constructive algorithmsdfs and similargraphsgreedy
25002.4k
1324CFrog Jumps
binary searchdata structuresdfs and similargreedyimplementation
110030.8k
1324FMaximum White Subtree
dfs and similardpgraphstrees
180013.6k
1320BNavigation System
dfs and similargraphsshortest paths
17006.5k
1320ETreeland and Viruses
data structuresdfs and similardpshortest pathstrees
30001.1k
1316DNash Matrix
constructive algorithmsdfs and similargraphsimplementation
20003.7k
1312GAutocompletion
data structuresdfs and similardp
26001.2k
1311BWeirdSort
dfs and similarsortings
120020.2k
1307DCow and Fields
binary searchdata structuresdfs and similargraphsgreedyshortest pathssortings
19007.4k
1307FCow and Vacation
dfs and similardsutrees
3300690
1305DKuroni and the Celebration
constructive algorithmsdfs and similarinteractivetrees
19005.4k
1304E1-Trees and Queries
data structuresdfs and similarshortest pathstrees
20006k
1303CPerfect Keyboard
dfs and similargreedyimplementation
160013.1k
1301FSuper Jaber
dfs and similargraphsimplementationshortest paths
26001.5k
1299DAround the World
bitmaskscombinatoricsdfs and similardpgraphsmathtrees
3000652
1297EModernization of Treeland
*specialdfs and similartrees
unrated219
1296FBerland Beauty
constructive algorithmsdfs and similargreedysortingstrees
21003.1k
1294FThree Paths on a Tree
dfs and similardpgreedytrees
20007.2k
1292CXenon's Attack on the Gangs
combinatoricsdfs and similardpgreedytrees
23002.4k
1290CPrefix Enlightenment
dfs and similardsugraphs
24002.1k
1286BNumbers on Tree
constructive algorithmsdata structuresdfs and similargraphsgreedytrees
18005.7k
1285DDr. Evil Underscores
bitmasksbrute forcedfs and similardivide and conquerdpgreedystringstrees
19008.7k
1282EThe Cake Is a Lie
constructive algorithmsdata structuresdfs and similargraphs
24001.2k
1280CJeremy Bearimy
dfs and similargraphsgreedytrees
20003.1k
1278ETests for problem D
constructive algorithmsdfs and similardivide and conquertrees
22002.1k
1276BTwo Fairs
combinatoricsdfs and similardsugraphs
19005.7k
1272ENearest Opposite Parity
dfs and similargraphsshortest paths
19008.2k
1270GSubset with Zero Sum
constructive algorithmsdfs and similargraphsmath
27003.1k
1266FAlmost Same Distance
dfs and similargraphs
2900415
1263DSecret Passwords
dfs and similardsugraphs
150016.6k
1263FEconomic Difficulties
data structuresdfs and similardpflowsgraphstrees
2400982
1254ESend Tree to Charlie
combinatoricsdfs and similardsutrees
3300459
1253DHarmonious Graph
constructive algorithmsdfs and similardsugraphsgreedysortings
170010.4k
1250NWires
dfs and similargraphsgreedy
20001.8k
1249B2Books Exchange (hard version)
dfs and similardsumath
130018.6k
1242B0-1 MST
dfs and similardsugraphssortings
19009.6k
1242CSum Balance
bitmasksdfs and similardpgraphs
24002k
1239DCatowice City
2-satdfs and similargraph matchingsgraphs
24002.7k
1238FThe Maximum Subtree
dfs and similardpgraphstrees
22002.2k
1236FAlice and the Cactus
dfs and similargraphsmathprobabilities
3000327
1220ETourism
dfs and similardpdsugraphsgreedytrees
22003.1k
1218HFunction Composition
dfs and similar
2900211

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