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Custom test
Problems
#
Name
300B
Coach
brute force
,
dfs and similar
,
graphs
1500
x6117
292D
Connected Components
data structures
,
dfs and similar
,
dp
,
dsu
1900
x2315
291E
Tree-String Problem
*special problem
,
dfs and similar
,
hashing
,
strings
2000
x1276
290F
Greedy Petya
*special problem
,
dfs and similar
,
graphs
,
greedy
2800
x127
288D
Polo the Penguin and Trees
combinatorics
,
dfs and similar
,
trees
2400
x675
283B
Cow Program
dfs and similar
,
dp
,
graphs
1700
x3609
277A
Learning Languages
dfs and similar
,
dsu
1400
x18145
274D
Lovely Matrix
dfs and similar
,
graphs
,
greedy
,
sortings
2200
x1006
274B
Zero Tree
dfs and similar
,
dp
,
greedy
,
trees
1800
x4899
267B
Dominoes
dfs and similar
,
graphs
2000
x614
263D
Cycle in Graph
dfs and similar
,
graphs
1800
x3253
263C
Circle of Numbers
brute force
,
dfs and similar
,
implementation
2000
x1053
258E
Little Elephant and Tree
data structures
,
dfs and similar
,
trees
2400
x1032
254D
Rats
brute force
,
dfs and similar
,
graphs
,
implementation
,
shortest paths
2300
x497
253C
Text Editor
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1600
x2525
251E
Tree and Table
dfs and similar
,
dp
,
implementation
,
trees
3000
x168
246E
Blood Cousins Return
binary search
,
data structures
,
dfs and similar
,
dp
,
sortings
2400
x2979
246D
Colorful Graph
brute force
,
dfs and similar
,
graphs
1600
x9214
244B
Undoubtedly Lucky Numbers
bitmasks
,
brute force
,
dfs and similar
1600
x4385
243C
Colorado Potato Beetle
dfs and similar
,
implementation
2200
x520
242D
Dispute
dfs and similar
,
graphs
,
greedy
2100
x1809
242C
King's Path
dfs and similar
,
graphs
,
hashing
,
shortest paths
1800
x8070
240E
Road Repairs
dfs and similar
,
graphs
,
greedy
2800
x347
238C
World Eater Brothers
dfs and similar
,
dp
,
greedy
,
trees
2100
x1023
237D
T-decomposition
dfs and similar
,
graphs
,
greedy
,
trees
2000
x544
231E
Cactus
data structures
,
dfs and similar
,
dp
,
graphs
,
trees
2100
x1547
228E
The Road to Berland is Paved With Good Intentions
2-sat
,
dfs and similar
,
dsu
,
graphs
1900
x2351
225D
Snake
bitmasks
,
dfs and similar
,
graphs
,
implementation
2200
x912
219D
Choosing Capital for Treeland
dfs and similar
,
dp
,
graphs
,
trees
1700
x8635
217D
Bitonix' Patrol
bitmasks
,
brute force
,
combinatorics
,
dfs and similar
,
math
2900
x245
217A
Ice Skating
brute force
,
dfs and similar
,
dsu
,
graphs
1200
x20441
216B
Forming Teams
dfs and similar
,
implementation
1700
x6105
213A
Game
dfs and similar
,
greedy
1700
x1688
212E
IT Restaurants
dfs and similar
,
dp
,
trees
1500
x1670
208E
Blood Cousins
binary search
,
data structures
,
dfs and similar
,
trees
2100
x6125
208B
Solitaire
dfs and similar
,
dp
1900
x1341
196B
Infinite Maze
dfs and similar
,
graphs
2000
x2126
191C
Fools and Roads
data structures
,
dfs and similar
,
trees
1900
x6751
190C
STL
dfs and similar
1500
x2719
187C
Weak Memory
dfs and similar
,
dsu
2000
x1299
183C
Cyclic Coloring
dfs and similar
2200
x595
177C2
Party
brute force
,
dfs and similar
,
dsu
,
graphs
1500
x2445
177C1
Party
dfs and similar
,
dsu
,
graphs
1500
x2455
176E
Archaeology
data structures
,
dfs and similar
,
trees
3100
x1029
173B
Chamber of Secrets
dfs and similar
,
shortest paths
1800
x2877
172E
BHTML+BCSS
*special problem
,
dfs and similar
,
expression parsing
2200
x268
167E
Wizards and Bets
dfs and similar
,
graphs
,
math
,
matrices
2900
x546
165E
Compatible Numbers
bitmasks
,
brute force
,
dfs and similar
,
dp
2200
x6215
164A
Variable, or There and Back Again
dfs and similar
,
graphs
1700
x978
163E
e-Government
data structures
,
dfs and similar
,
dp
,
strings
,
trees
2800
x1528
161D
Distance in Tree
dfs and similar
,
dp
,
trees
1800
x13641
160D
Edges in MST
dfs and similar
,
dsu
,
graphs
,
sortings
2300
x2367
150B
Quantity of Strings
combinatorics
,
dfs and similar
,
graphs
,
math
1600
x3971
144D
Missile Silos
data structures
,
dfs and similar
,
graphs
,
shortest paths
1900
x3796
135D
Cycle
brute force
,
dfs and similar
,
implementation
2500
x293
134B
Pairs of Numbers
brute force
,
dfs and similar
,
math
,
number theory
1900
x1920
131D
Subway
dfs and similar
,
graphs
1600
x4514
129B
Students and Shoelaces
brute force
,
dfs and similar
,
graphs
,
implementation
1200
x11720
128A
Statues
dfs and similar
1500
x3130
123E
Maze
dfs and similar
,
dp
,
probabilities
,
trees
2500
x691
118E
Bertown roads
dfs and similar
,
graphs
2000
x6012
117C
Cycle
dfs and similar
,
graphs
2000
x2549
115A
Party
dfs and similar
,
graphs
,
trees
900
x32900
107A
Dorm Water Supply
dfs and similar
,
graphs
1400
x4955
103B
Cthulhu
dfs and similar
,
dsu
,
graphs
1500
x8536
100H
Battleship
*special problem
,
dfs and similar
,
implementation
2100
x74
97E
Leaders
dfs and similar
,
dsu
,
graphs
,
trees
2200
x370
87D
Beautiful Road
dfs and similar
,
dp
,
dsu
,
graphs
,
implementation
,
sortings
,
trees
2300
x848
85C
Petya and Tree
binary search
,
dfs and similar
,
probabilities
,
sortings
,
trees
2200
x522
82C
General Mobilization
data structures
,
dfs and similar
,
sortings
2000
x799
81E
Pairs
dfs and similar
,
dp
,
dsu
,
graphs
,
implementation
,
trees
2700
x327
77C
Beavermuncher-0xFF
dfs and similar
,
dp
,
dsu
,
greedy
,
trees
2100
x977
74C
Chessboard Billiard
dfs and similar
,
dsu
,
graphs
,
number theory
2100
x949
73D
FreeDiv
dfs and similar
,
graphs
,
greedy
2200
x612
65E
Harry Potter and Moving Staircases
dfs and similar
,
implementation
2900
x84
65D
Harry Potter and the Sorting Hat
brute force
,
dfs and similar
,
hashing
2200
x420
63E
Sweets Game
bitmasks
,
dfs and similar
,
dp
,
games
,
implementation
2000
x715
62D
Wormhouse
dfs and similar
,
graphs
2300
x349
61D
Eternal Victory
dfs and similar
,
graphs
,
greedy
,
shortest paths
,
trees
1800
x6268
60C
Mushroom Strife
brute force
,
dfs and similar
2100
x549
60B
Serial Time!
dfs and similar
,
dsu
1400
x4449
57A
Square Earth?
dfs and similar
,
greedy
,
implementation
1300
x2815
51F
Caterpillar
dfs and similar
,
dp
,
graphs
,
trees
2800
x546
42E
Baldman and the military
dfs and similar
,
graphs
,
trees
2700
x189
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x6276
34D
Road Map
dfs and similar
,
graphs
1600
x4863
31D
Chocolate
dfs and similar
,
implementation
2000
x996
29D
Ant on the Tree
constructive algorithms
,
dfs and similar
,
trees
2000
x2319
29C
Mail Stamps
data structures
,
dfs and similar
,
graphs
,
implementation
1700
x4571
28B
pSort
dfs and similar
,
dsu
,
graphs
1600
x4421
27D
Ring Road 2
2-sat
,
dfs and similar
,
dsu
,
graphs
2200
x2368
27B
Tournament
bitmasks
,
brute force
,
dfs and similar
,
greedy
1300
x5155
22E
Scheme
dfs and similar
,
graphs
,
trees
2300
x1550
19E
Fairy
dfs and similar
,
divide and conquer
,
dsu
2900
x1620
17B
Hierarchy
dfs and similar
,
dsu
,
greedy
,
shortest paths
1500
x4485
14D
Two Paths
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
,
two pointers
1900
x4318
9E
Interestring graph and Apples
dfs and similar
,
dsu
,
graphs
2300
x989
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