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Problems
#
Name
138C
Mushroom Gnomes - 2
binary search
,
data structures
,
probabilities
,
sortings
2200
x845
332C
Students' Revenge
data structures
,
greedy
,
sortings
2200
x885
958E2
Guard Duty (medium)
binary search
,
dp
,
greedy
,
sortings
2200
x900
274D
Lovely Matrix
dfs and similar
,
graphs
,
greedy
,
sortings
2200
x1006
731D
80-th Level Archeology
brute force
,
data structures
,
greedy
,
sortings
2200
x1148
1607H
Banquet Preparations 2
greedy
,
sortings
,
two pointers
2200
x1197
1772G
Gaining Rating
binary search
,
greedy
,
implementation
,
math
,
sortings
,
two pointers
2200
x1274
1039C
Network Safety
dfs and similar
,
dsu
,
graphs
,
math
,
sortings
2200
x1312
1901E
Compressed Tree
dfs and similar
,
dp
,
graphs
,
greedy
,
sortings
,
trees
2200
x1382
76A
Gift
dsu
,
graphs
,
sortings
,
trees
2200
x1454
1618G
Trader Problem
data structures
,
dsu
,
greedy
,
sortings
2200
x1482
538F
A Heap of Heaps
brute force
,
data structures
,
math
,
sortings
2200
x1499
1918E
ace5 and Task Order
constructive algorithms
,
divide and conquer
,
implementation
,
interactive
,
probabilities
,
sortings
2200
x1566
1498E
Two Houses
brute force
,
graphs
,
greedy
,
interactive
,
sortings
2200
x1839
1194E
Count The Rectangles
bitmasks
,
brute force
,
data structures
,
geometry
,
sortings
2200
x1867
622E
Ants in Leaves
dfs and similar
,
greedy
,
sortings
,
trees
2200
x1988
1181D
Irrigation
binary search
,
data structures
,
implementation
,
sortings
,
trees
,
two pointers
2200
x2033
1898E
Sofia and Strings
data structures
,
greedy
,
sortings
,
strings
,
two pointers
2200
x2062
1635E
Cars
2-sat
,
constructive algorithms
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
sortings
2200
x2168
1398E
Two Types of Spells
binary search
,
data structures
,
greedy
,
implementation
,
math
,
sortings
2200
x2180
1477C
Nezzar and Nice Beatmap
constructive algorithms
,
geometry
,
greedy
,
math
,
sortings
2200
x2212
56E
Domino Principle
binary search
,
data structures
,
sortings
2200
x2216
1399E2
Weights Division (hard version)
binary search
,
dfs and similar
,
greedy
,
sortings
,
trees
,
two pointers
2200
x2221
1641C
Anonymity Is Important
binary search
,
brute force
,
data structures
,
dsu
,
greedy
,
sortings
2200
x2333
549G
Happy Line
constructive algorithms
,
greedy
,
sortings
2200
x2395
1196F
K-th Path
brute force
,
constructive algorithms
,
shortest paths
,
sortings
2200
x2435
1253E
Antenna Coverage
data structures
,
dp
,
greedy
,
sortings
2200
x2625
1552F
Telepanting
binary search
,
data structures
,
dp
,
sortings
2200
x2788
1630C
Paint the Middle
dp
,
greedy
,
sortings
,
two pointers
2200
x2841
1503C
Travelling Salesman Problem
binary search
,
data structures
,
dp
,
greedy
,
shortest paths
,
sortings
,
two pointers
2200
x3205
1428E
Carrots for Rabbits
binary search
,
data structures
,
greedy
,
math
,
sortings
2200
x3516
1110E
Magic Stones
constructive algorithms
,
math
,
sortings
2200
x3806
1333F
Kate and imperfection
greedy
,
implementation
,
math
,
number theory
,
sortings
,
two pointers
2200
x3975
13C
Sequence
dp
,
sortings
2200
x4139
649E
Автобус
binary search
,
data structures
,
greedy
,
sortings
2100
x103
852C
Property
greedy
,
sortings
2100
x375
306B
Optimizer
data structures
,
greedy
,
sortings
2100
x437
163C
Conveyor
sortings
,
two pointers
2100
x537
39C
Moon Craters
dp
,
sortings
2100
x569
35E
Parade
data structures
,
sortings
2100
x703
847F
Berland Elections
greedy
,
sortings
2100
x848
644C
Hostname Aliases
*special problem
,
binary search
,
data structures
,
implementation
,
sortings
,
strings
2100
x908
1725F
Field Photography
bitmasks
,
data structures
,
sortings
2100
x939
1906F
Maximize The Value
data structures
,
sortings
2100
x941
268E
Playlist
math
,
probabilities
,
sortings
2100
x976
954F
Runner's Problem
dp
,
matrices
,
sortings
2100
x977
1575L
Longest Array Deconstruction
data structures
,
divide and conquer
,
dp
,
sortings
2100
x1278
862E
Mahmoud and Ehab and the function
binary search
,
data structures
,
sortings
2100
x1390
190E
Counter Attack
data structures
,
dsu
,
graphs
,
hashing
,
sortings
2100
x1441
732E
Sockets
greedy
,
sortings
2100
x1576
496E
Distributing Parts
greedy
,
sortings
2100
x1629
1158C
Permutation recovery
constructive algorithms
,
data structures
,
dfs and similar
,
graphs
,
greedy
,
math
,
sortings
2100
x1700
1176F
Destroy it!
dp
,
implementation
,
sortings
2100
x1748
1183F
Topforces Strikes Back
brute force
,
math
,
sortings
2100
x1778
333D
Characteristics of Rectangles
binary search
,
bitmasks
,
brute force
,
implementation
,
sortings
2100
x1849
103D
Time to Raid Cowavans
brute force
,
data structures
,
sortings
2100
x1989
540E
Infinite Inversions
binary search
,
data structures
,
implementation
,
sortings
,
trees
2100
x2011
1896E
Permutation Sorting
data structures
,
sortings
2100
x2030
1801D
The way home
binary search
,
data structures
,
dp
,
graphs
,
greedy
,
shortest paths
,
sortings
2100
x2056
754D
Fedor and coupons
binary search
,
data structures
,
greedy
,
sortings
2100
x2138
1876C
Autosynthesis
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
,
sortings
2100
x2143
166B
Polygons
geometry
,
sortings
2100
x2161
1839D
Ball Sorting
data structures
,
dp
,
sortings
2100
x2183
976E
Well played!
greedy
,
sortings
2100
x2190
767D
Cartons of milk
binary search
,
data structures
,
greedy
,
sortings
,
two pointers
2100
x2195
1821E
Rearrange Brackets
brute force
,
dp
,
greedy
,
sortings
,
strings
2100
x2253
1924B
Space Harbour
data structures
,
implementation
,
math
,
sortings
2100
x2293
1942D
Learning to Paint
binary search
,
data structures
,
dfs and similar
,
dp
,
greedy
,
implementation
,
sortings
2100
x2453
1864E
Guess Game
bitmasks
,
data structures
,
games
,
math
,
probabilities
,
sortings
,
strings
,
trees
2100
x2469
1223E
Paint the Tree
dp
,
sortings
,
trees
2100
x2522
1154F
Shovels Shop
dp
,
greedy
,
sortings
2100
x2559
1863E
Speedrun
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
math
,
sortings
,
two pointers
2100
x2620
1671E
Preorder
combinatorics
,
divide and conquer
,
dp
,
dsu
,
hashing
,
sortings
,
trees
2100
x2648
1296F
Berland Beauty
constructive algorithms
,
dfs and similar
,
greedy
,
sortings
,
trees
2100
x2675
1271D
Portals
data structures
,
dp
,
greedy
,
implementation
,
sortings
2100
x2757
1466F
Euclid's nightmare
bitmasks
,
dfs and similar
,
dsu
,
graphs
,
greedy
,
math
,
sortings
2100
x2795
1284D
New Year and Conference
binary search
,
data structures
,
hashing
,
sortings
2100
x2916
1472F
New Year's Puzzle
brute force
,
dp
,
graph matchings
,
greedy
,
sortings
2100
x2941
576C
Points on Plane
constructive algorithms
,
divide and conquer
,
geometry
,
greedy
,
sortings
2100
x3234
675C
Money Transfers
constructive algorithms
,
data structures
,
greedy
,
sortings
2100
x3423
1919D
01 Tree
constructive algorithms
,
data structures
,
dsu
,
greedy
,
sortings
,
trees
2100
x3609
1333D
Challenges in school №41
brute force
,
constructive algorithms
,
games
,
graphs
,
greedy
,
implementation
,
sortings
2100
x3690
1555E
Boring Segments
data structures
,
sortings
,
trees
,
two pointers
2100
x3867
1322B
Present
binary search
,
bitmasks
,
constructive algorithms
,
data structures
,
math
,
sortings
2100
x3953
1365F
Swaps Again
constructive algorithms
,
implementation
,
sortings
2100
x4310
1355E
Restorer Distance
binary search
,
greedy
,
math
,
sortings
,
ternary search
2100
x4732
1493D
GCD of an Array
brute force
,
data structures
,
hashing
,
implementation
,
math
,
number theory
,
sortings
,
two pointers
2100
x4752
1343E
Weights Distributing
brute force
,
graphs
,
greedy
,
shortest paths
,
sortings
2100
x4818
484B
Maximum Value
binary search
,
math
,
sortings
,
two pointers
2100
x6789
73B
Need For Brake
binary search
,
greedy
,
sortings
2000
x488
109D
Lucky Sorting
constructive algorithms
,
sortings
2000
x616
82C
General Mobilization
data structures
,
dfs and similar
,
sortings
2000
x799
33D
Knights
geometry
,
graphs
,
shortest paths
,
sortings
2000
x1136
243B
Hydra
graphs
,
sortings
2000
x1179
367C
Sereja and the Arrangement of Numbers
graphs
,
greedy
,
sortings
2000
x1703
659F
Polycarp and Hay
dfs and similar
,
dsu
,
graphs
,
greedy
,
sortings
2000
x1753
954E
Water Taps
binary search
,
greedy
,
sortings
2000
x1834
21C
Stripe 2
binary search
,
dp
,
sortings
2000
x2023
1190D
Tokitsukaze and Strange Rectangle
data structures
,
divide and conquer
,
sortings
,
two pointers
2000
x2217
1741F
Multi-Colored Segments
binary search
,
data structures
,
math
,
sortings
2000
x2234
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