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Contest is running
Codeforces Round 974 (Div. 3)
00:00:29
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combine-tags-by-or
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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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Custom test
Problems
#
Name
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21718
1206A
Choose Two Numbers
math
,
sortings
800
x24265
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20319
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27665
1194A
Remove a Progression
math
800
x16193
1191A
Tokitsukaze and Enhancement
brute force
800
x18113
1189A
Keanu Reeves
strings
800
x15231
1186A
Vus the Cossack and a Contest
implementation
800
x37359
1185A
Ropewalkers
math
800
x14870
1183A
Nearest Interesting Number
implementation
800
x24656
1180A
Alex and a Rhombus
dp
,
implementation
,
math
800
x25108
1178A
Prime Minister
greedy
800
x10398
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x22768
1173A
Nauuo and Votes
greedy
800
x16200
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x19249
1162A
Zoning Restrictions Again
implementation
800
x8253
1159A
A pile of stones
implementation
,
math
800
x12651
1154A
Restoring Three Numbers
math
800
x70168
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x15132
1150A
Stock Arbitraging
greedy
,
implementation
800
x11799
1148A
Another One Bites The Dust
greedy
800
x14858
1146A
Love "A"
implementation
,
strings
800
x21826
1144A
Diverse Strings
implementation
,
strings
800
x19200
1143A
The Doors
implementation
800
x13252
1139A
Even Substrings
implementation
,
strings
800
x16759
1136A
Nastya Is Reading a Book
implementation
800
x16362
1131A
Sea Battle
math
800
x12395
1130A
Be Positive
implementation
800
x11607
1118A
Water Buying
math
800
x20071
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18532
1108A
Two distinct points
implementation
800
x21708
1106A
Lunar New Year and Cross Counting
implementation
800
x12325
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15394
1102A
Integer Sequence Dividing
math
800
x24266
1099A
Snowball
implementation
800
x12877
1097A
Gennady and a Card Game
brute force
,
implementation
800
x38638
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18699
1095A
Repeating Cipher
implementation
800
x31306
1093A
Dice Rolling
math
800
x17679
1092B
Teams Forming
sortings
800
x26203
1092A
Uniform String
implementation
800
x16197
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17473
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16771
1085A
Right-Left Cipher
implementation
,
strings
800
x12139
1081A
Definite Game
constructive algorithms
,
math
800
x12018
1080A
Petya and Origami
math
800
x18061
1077A
Frog Jumping
math
800
x29863
1075A
The King's Race
implementation
,
math
800
x8486
1065A
Vasya and Chocolate
implementation
,
math
800
x14618
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x22357
1061A
Coins
greedy
,
implementation
,
math
800
x21799
1060A
Phone Numbers
brute force
800
x14105
1056A
Determine Line
implementation
800
x6619
1054A
Elevator or Stairs?
implementation
800
x9047
1047A
Little C Loves 3 I
math
800
x19853
1043A
Elections
implementation
,
math
800
x10768
1041A
Heist
greedy
,
implementation
,
sortings
800
x24981
1038A
Equality
implementation
,
strings
800
x14864
1031A
Golden Plate
implementation
,
math
800
x12841
1030A
In Search of an Easy Problem
implementation
800
x129185
1028A
Find Square
implementation
800
x10758
1017A
The Rank
implementation
800
x20365
1015A
Points in Segments
implementation
800
x20888
1013A
Piles With Stones
math
800
x10933
1009A
Game Shopping
implementation
800
x11727
1006A
Adjacent Replacements
implementation
800
x21530
1005A
Tanya and Stairways
implementation
800
x23538
1003A
Polycarp's Pockets
implementation
800
x27048
1002A1
Generate superposition of all basis states
800
x838
999A
Mishka and Contest
brute force
,
implementation
800
x22860
996A
Hit the Lottery
dp
,
greedy
800
x89892
994A
Fingerprints
implementation
800
x14093
992A
Nastya and an Array
implementation
,
sortings
800
x13053
988A
Diverse Team
brute force
,
implementation
800
x24841
987A
Infinity Gauntlet
implementation
800
x16515
984A
Game
sortings
800
x19366
978B
File Name
greedy
,
strings
800
x36126
978A
Remove Duplicates
implementation
800
x26964
977A
Wrong Subtraction
implementation
800
x165653
976A
Minimum Binary Number
implementation
800
x10521
965A
Paper Airplanes
math
800
x9454
964A
Splits
math
800
x9632
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x46742
954A
Diagonal Walking
implementation
800
x10492
952A
Quirky Quantifiers
math
800
x11215
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x15230
946A
Partition
greedy
800
x16336
939A
Love Triangle
graphs
800
x25080
938A
Word Correction
implementation
800
x11423
937A
Olympiad
implementation
,
sortings
800
x15136
935A
Fafa and his Company
brute force
,
implementation
800
x42757
932A
Palindromic Supersequence
constructive algorithms
800
x10277
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x11895
919A
Supermarket
brute force
,
greedy
,
implementation
800
x16092
918A
Eleven
brute force
,
implementation
800
x16993
912A
Tricky Alchemy
implementation
800
x13455
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11794
908A
New Year and Counting Cards
brute force
,
implementation
800
x14788
900A
Find Extra One
geometry
,
implementation
800
x13557
899A
Splitting in Teams
constructive algorithms
,
greedy
,
math
800
x10181
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