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Codeforces Round 968 (Div. 2)
2 days
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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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Problems
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Status
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Custom test
Problems
#
Name
1180A
Alex and a Rhombus
dp
,
implementation
,
math
800
x24959
1178A
Prime Minister
greedy
800
x10372
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x22657
1173A
Nauuo and Votes
greedy
800
x16176
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x19202
1162A
Zoning Restrictions Again
implementation
800
x8241
1159A
A pile of stones
implementation
,
math
800
x12576
1154A
Restoring Three Numbers
math
800
x69238
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x15102
1150A
Stock Arbitraging
greedy
,
implementation
800
x11782
1148A
Another One Bites The Dust
greedy
800
x14832
1146A
Love "A"
implementation
,
strings
800
x21739
1144A
Diverse Strings
implementation
,
strings
800
x19103
1143A
The Doors
implementation
800
x13232
1139A
Even Substrings
implementation
,
strings
800
x16734
1136A
Nastya Is Reading a Book
implementation
800
x16315
1131A
Sea Battle
math
800
x12381
1130A
Be Positive
implementation
800
x11547
1118A
Water Buying
math
800
x19983
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18496
1108A
Two distinct points
implementation
800
x21629
1106A
Lunar New Year and Cross Counting
implementation
800
x12317
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15375
1102A
Integer Sequence Dividing
math
800
x24138
1099A
Snowball
implementation
800
x12856
1097A
Gennady and a Card Game
brute force
,
implementation
800
x38362
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18659
1095A
Repeating Cipher
implementation
800
x31035
1093A
Dice Rolling
math
800
x17646
1092B
Teams Forming
sortings
800
x26114
1092A
Uniform String
implementation
800
x16156
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17454
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16700
1085A
Right-Left Cipher
implementation
,
strings
800
x12109
1081A
Definite Game
constructive algorithms
,
math
800
x11996
1080A
Petya and Origami
math
800
x18008
1077A
Frog Jumping
math
800
x29741
1075A
The King's Race
implementation
,
math
800
x8445
1065A
Vasya and Chocolate
implementation
,
math
800
x14602
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x22226
1061A
Coins
greedy
,
implementation
,
math
800
x21689
1060A
Phone Numbers
brute force
800
x14006
1056A
Determine Line
implementation
800
x6612
1054A
Elevator or Stairs?
implementation
800
x9026
1047A
Little C Loves 3 I
math
800
x19796
1043A
Elections
implementation
,
math
800
x10745
1041A
Heist
greedy
,
implementation
,
sortings
800
x24857
1038A
Equality
implementation
,
strings
800
x14814
1031A
Golden Plate
implementation
,
math
800
x12835
1030A
In Search of an Easy Problem
implementation
800
x127073
1028A
Find Square
implementation
800
x10730
1017A
The Rank
implementation
800
x20273
1015A
Points in Segments
implementation
800
x20798
1013A
Piles With Stones
math
800
x10903
1009A
Game Shopping
implementation
800
x11707
1006A
Adjacent Replacements
implementation
800
x21479
1005A
Tanya and Stairways
implementation
800
x23440
1003A
Polycarp's Pockets
implementation
800
x26945
1002A1
Generate superposition of all basis states
800
x836
999A
Mishka and Contest
brute force
,
implementation
800
x22761
996A
Hit the Lottery
dp
,
greedy
800
x88559
994A
Fingerprints
implementation
800
x14059
992A
Nastya and an Array
implementation
,
sortings
800
x13034
988A
Diverse Team
brute force
,
implementation
800
x24609
987A
Infinity Gauntlet
implementation
800
x16460
984A
Game
sortings
800
x19302
978B
File Name
greedy
,
strings
800
x35831
978A
Remove Duplicates
implementation
800
x26744
977A
Wrong Subtraction
implementation
800
x163319
976A
Minimum Binary Number
implementation
800
x10502
965A
Paper Airplanes
math
800
x9436
964A
Splits
math
800
x9346
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x46189
954A
Diagonal Walking
implementation
800
x10468
952A
Quirky Quantifiers
math
800
x11193
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x15167
946A
Partition
greedy
800
x16282
939A
Love Triangle
graphs
800
x24848
938A
Word Correction
implementation
800
x11410
937A
Olympiad
implementation
,
sortings
800
x15062
935A
Fafa and his Company
brute force
,
implementation
800
x42510
932A
Palindromic Supersequence
constructive algorithms
800
x10263
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x11833
919A
Supermarket
brute force
,
greedy
,
implementation
800
x16070
918A
Eleven
brute force
,
implementation
800
x16944
912A
Tricky Alchemy
implementation
800
x13422
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11742
908A
New Year and Counting Cards
brute force
,
implementation
800
x14758
900A
Find Extra One
geometry
,
implementation
800
x13528
899A
Splitting in Teams
constructive algorithms
,
greedy
,
math
800
x10157
898A
Rounding
implementation
,
math
800
x15915
897A
Scarborough Fair
implementation
800
x14099
894A
QAQ
brute force
,
dp
800
x33870
888A
Local Extrema
brute force
,
implementation
800
x10797
884A
Book Reading
implementation
800
x10412
873A
Chores
implementation
800
x8149
867A
Between the Offices
implementation
800
x19127
859A
Declined Finalists
greedy
,
implementation
800
x7682
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x20927
854A
Fraction
brute force
,
constructive algorithms
,
math
800
x13549
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