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Codeforces Round 943 (Div. 3)
18:33:33
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binary search
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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Name
852D
Exploration plan
binary search
,
flows
,
graph matchings
,
shortest paths
2100
x948
615E
Hexagons
binary search
,
implementation
,
math
2100
x964
730C
Bulmart
binary search
,
dfs and similar
2100
x1004
1070E
Getting Deals Done
binary search
,
data structures
2100
x1189
818F
Level Generation
binary search
,
math
,
ternary search
2100
x1284
862E
Mahmoud and Ehab and the function
binary search
,
data structures
,
sortings
2100
x1388
748E
Santa Claus and Tangerines
binary search
,
data structures
,
greedy
,
two pointers
2100
x1440
1866G
Grouped Carriages
binary search
,
data structures
,
dp
,
flows
,
greedy
2100
x1502
837E
Vasya's Function
binary search
,
implementation
,
math
2100
x1506
590B
Chip 'n Dale Rescue Rangers
binary search
,
geometry
,
math
2100
x1696
549H
Degenerate Matrix
binary search
,
math
2100
x1785
333D
Characteristics of Rectangles
binary search
,
bitmasks
,
brute force
,
implementation
,
sortings
2100
x1846
540E
Infinite Inversions
binary search
,
data structures
,
implementation
,
sortings
,
trees
2100
x2005
1801D
The way home
binary search
,
data structures
,
dp
,
graphs
,
greedy
,
shortest paths
,
sortings
2100
x2034
431D
Random Task
binary search
,
bitmasks
,
combinatorics
,
dp
,
math
2100
x2104
301B
Yaroslav and Time
binary search
,
graphs
,
shortest paths
2100
x2107
754D
Fedor and coupons
binary search
,
data structures
,
greedy
,
sortings
2100
x2135
1201D
Treasure Hunting
binary search
,
dp
,
greedy
,
implementation
2100
x2149
1808D
Petya, Petya, Petr, and Palindromes
binary search
,
brute force
,
data structures
,
two pointers
2100
x2158
767D
Cartons of milk
binary search
,
data structures
,
greedy
,
sortings
,
two pointers
2100
x2193
985D
Sand Fortress
binary search
,
constructive algorithms
,
math
2100
x2253
1039B
Subway Pursuit
binary search
,
interactive
,
probabilities
2100
x2276
1710B
Rain
binary search
,
brute force
,
data structures
,
geometry
,
greedy
,
implementation
,
math
2100
x2350
762C
Two strings
binary search
,
hashing
,
strings
,
two pointers
2100
x2359
1942D
Learning to Paint
binary search
,
data structures
,
dfs and similar
,
dp
,
greedy
,
implementation
,
sortings
2100
x2375
1732C2
Sheikh (Hard Version)
binary search
,
bitmasks
,
brute force
,
greedy
,
implementation
,
two pointers
2100
x2454
955C
Sad powers
binary search
,
math
,
number theory
2100
x2459
1167E
Range Deleting
binary search
,
combinatorics
,
data structures
,
two pointers
2100
x2479
1108F
MST Unification
binary search
,
dsu
,
graphs
,
greedy
2100
x2548
525E
Anya and Cubes
binary search
,
bitmasks
,
brute force
,
dp
,
math
,
meet-in-the-middle
2100
x2725
1832D1
Red-Blue Operations (Easy Version)
binary search
,
greedy
,
implementation
,
math
2100
x2784
1284D
New Year and Conference
binary search
,
data structures
,
hashing
,
sortings
2100
x2911
1684E
MEX vs DIFF
binary search
,
brute force
,
constructive algorithms
,
data structures
,
greedy
,
two pointers
2100
x3031
689D
Friends and Subsequences
binary search
,
data structures
2100
x3057
1271E
Common Number
binary search
,
combinatorics
,
dp
,
math
2100
x3112
1637E
Best Pair
binary search
,
brute force
,
implementation
2100
x3182
985E
Pencils and Boxes
binary search
,
data structures
,
dp
,
greedy
,
two pointers
2100
x3245
1446C
Xor Tree
binary search
,
bitmasks
,
data structures
,
divide and conquer
,
dp
,
trees
2100
x3388
1626D
Martial Arts Tournament
binary search
,
brute force
,
greedy
,
math
2100
x3786
1454F
Array Partition
binary search
,
data structures
,
greedy
,
two pointers
2100
x3794
1363D
Guess The Maximums
binary search
,
implementation
,
interactive
,
math
2100
x3825
1322B
Present
binary search
,
bitmasks
,
constructive algorithms
,
data structures
,
math
,
sortings
2100
x3929
1366E
Two Arrays
binary search
,
brute force
,
combinatorics
,
constructive algorithms
,
dp
,
two pointers
2100
x3957
1516D
Cut
binary search
,
data structures
,
dp
,
graphs
,
number theory
,
two pointers
2100
x4086
1360H
Binary Median
binary search
,
bitmasks
,
brute force
,
constructive algorithms
2100
x4282
1538G
Gift Set
binary search
,
greedy
,
math
,
ternary search
2100
x4353
1370E
Binary Subsequence Rotation
binary search
,
constructive algorithms
,
data structures
,
greedy
2100
x4608
1355E
Restorer Distance
binary search
,
greedy
,
math
,
sortings
,
ternary search
2100
x4710
208E
Blood Cousins
binary search
,
data structures
,
dfs and similar
,
trees
2100
x6060
519E
A and B and Lecture Rooms
binary search
,
data structures
,
dfs and similar
,
dp
,
trees
2100
x6174
1486D
Max Median
binary search
,
data structures
,
dp
2100
x6699
484B
Maximum Value
binary search
,
math
,
sortings
,
two pointers
2100
x6774
1211E
Double Permutation Inc.
*special problem
,
binary search
,
greedy
2000
x188
1211D
Teams
*special problem
,
binary search
,
greedy
,
math
2000
x223
774L
Bars
*special problem
,
binary search
2000
x321
309A
Morning run
binary search
,
math
,
two pointers
2000
x459
73B
Need For Brake
binary search
,
greedy
,
sortings
2000
x488
131F
Present to Mom
binary search
,
two pointers
2000
x599
248C
Robo-Footballer
binary search
,
geometry
2000
x793
374D
Inna and Sequence
binary search
,
data structures
,
dp
,
trees
2000
x843
245F
Log Stream Analysis
binary search
,
brute force
,
implementation
,
strings
2000
x859
163B
Lemmings
binary search
2000
x1046
366D
Dima and Trap Graph
binary search
,
data structures
,
dfs and similar
,
dsu
,
shortest paths
,
two pointers
2000
x1270
382B
Number Busters
binary search
,
math
2000
x1383
314B
Sereja and Periods
binary search
,
dfs and similar
,
strings
2000
x1453
490E
Restoring Increasing Sequence
binary search
,
brute force
,
greedy
,
implementation
2000
x1516
1725C
Circular Mirror
binary search
,
combinatorics
,
geometry
,
math
,
two pointers
2000
x1535
862D
Mahmoud and Ehab and the binary string
binary search
,
divide and conquer
,
interactive
2000
x1648
258C
Little Elephant and LCM
binary search
,
combinatorics
,
dp
,
math
2000
x1754
1165F1
Microtransactions (easy version)
binary search
,
greedy
2000
x1764
954E
Water Taps
binary search
,
greedy
,
sortings
2000
x1799
1019B
The hat
binary search
,
interactive
2000
x1891
954G
Castle Defense
binary search
,
data structures
,
greedy
,
two pointers
2000
x1894
1102F
Elongated Matrix
binary search
,
bitmasks
,
brute force
,
dp
,
graphs
2000
x1902
21C
Stripe 2
binary search
,
dp
,
sortings
2000
x2010
1165F2
Microtransactions (hard version)
binary search
,
greedy
,
implementation
2000
x2020
896B
Ithea Plays With Chtholly
binary search
,
constructive algorithms
,
games
,
greedy
,
interactive
2000
x2048
1881G
Anya and the Mysterious String
binary search
,
data structures
2000
x2152
1741F
Multi-Colored Segments
binary search
,
data structures
,
math
,
sortings
2000
x2219
1619G
Unusual Minesweeper
binary search
,
dfs and similar
,
dsu
,
greedy
,
sortings
2000
x2261
1936B
Pinball
binary search
,
data structures
,
implementation
,
math
,
two pointers
2000
x2389
1029F
Multicolored Markers
binary search
,
brute force
,
math
,
number theory
2000
x2469
749D
Leaving Auction
binary search
,
data structures
2000
x2523
609D
Gadgets for dollars and pounds
binary search
,
greedy
,
two pointers
2000
x2559
1862G
The Great Equalizer
binary search
,
data structures
,
math
,
sortings
2000
x2641
360B
Levko and Array
binary search
,
dp
2000
x2700
1851G
Vlad and the Mountains
binary search
,
data structures
,
dsu
,
graphs
,
implementation
,
sortings
,
trees
,
two pointers
2000
x2915
671B
Robin Hood
binary search
,
greedy
2000
x2967
474E
Pillars
binary search
,
data structures
,
dp
,
sortings
,
trees
2000
x3098
1624F
Interacdive Problem
binary search
,
constructive algorithms
,
interactive
2000
x3170
1103B
Game with modulo
binary search
,
constructive algorithms
,
interactive
2000
x3170
842D
Vitya and Strange Lesson
binary search
,
data structures
2000
x3213
1690G
Count the Trains
binary search
,
data structures
,
greedy
,
sortings
2000
x3224
487B
Strip
binary search
,
data structures
,
dp
,
two pointers
2000
x3348
1584D
Guess the Permutation
binary search
,
combinatorics
,
interactive
,
math
2000
x3518
1582E
Pchelyonok and Segments
binary search
,
data structures
,
dp
,
greedy
,
math
2000
x3581
1827B1
Range Sorting (Easy Version)
binary search
,
dp
,
dsu
,
greedy
,
trees
,
two pointers
2000
x3652
1551E
Fixed Points
binary search
,
brute force
,
dp
2000
x3677
1788D
Moving Dots
binary search
,
brute force
,
combinatorics
,
math
,
two pointers
2000
x3720
1237D
Balanced Playlist
binary search
,
data structures
,
implementation
2000
x3782
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