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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
5 days
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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
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Custom test
Problems
#
Name
1296A
Array with Odd Sum
math
800
x42425
1294A
Collecting Coins
math
800
x47401
1287A
Angry Students
greedy
,
implementation
800
x20692
1285A
Mezo Playing Zoma
math
800
x28411
1284A
New Year and Naming
implementation
,
strings
800
x18032
1283A
Minutes Before the New Year
math
800
x51434
1281A
Suffix Three
implementation
800
x18032
1271A
Suits
brute force
,
greedy
,
math
800
x15004
1270A
Card Game
games
,
greedy
,
math
800
x17039
1269A
Equation
brute force
,
math
800
x21830
1257A
Two Rival Students
greedy
,
math
800
x20662
1255A
Changing Volume
math
800
x17314
1250F
Data Center
brute force
,
implementation
800
x7491
1249A
Yet Another Dividing into Teams
math
800
x22564
1244A
Pens and Pencils
math
800
x19317
1243A
Maximum Square
implementation
800
x15728
1236A
Stones
brute force
,
greedy
,
math
800
x16505
1234A
Equalize Prices Again
math
800
x27998
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x21727
1228A
Distinct Digits
brute force
,
implementation
800
x21887
1223A
CME
math
800
x21667
1220A
Cards
implementation
,
sortings
,
strings
800
x30017
1216A
Prefixes
strings
800
x18744
1209A
Paint the Numbers
greedy
,
implementation
,
math
800
x12256
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21994
1206A
Choose Two Numbers
math
,
sortings
800
x24551
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20501
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27842
1194A
Remove a Progression
math
800
x16381
1191A
Tokitsukaze and Enhancement
brute force
800
x18211
1189A
Keanu Reeves
strings
800
x15331
1186A
Vus the Cossack and a Contest
implementation
800
x37909
1185A
Ropewalkers
math
800
x14937
1183A
Nearest Interesting Number
implementation
800
x25112
1180A
Alex and a Rhombus
dp
,
implementation
,
math
800
x25437
1178A
Prime Minister
greedy
800
x10470
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x23059
1173A
Nauuo and Votes
greedy
800
x16272
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x19398
1162A
Zoning Restrictions Again
implementation
800
x8300
1159A
A pile of stones
implementation
,
math
800
x12726
1154A
Restoring Three Numbers
math
800
x72159
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x15349
1150A
Stock Arbitraging
greedy
,
implementation
800
x11883
1148A
Another One Bites The Dust
greedy
800
x14944
1146A
Love "A"
implementation
,
strings
800
x22036
1144A
Diverse Strings
implementation
,
strings
800
x19383
1143A
The Doors
implementation
800
x13294
1139A
Even Substrings
implementation
,
strings
800
x16837
1136A
Nastya Is Reading a Book
implementation
800
x16451
1131A
Sea Battle
math
800
x12464
1130A
Be Positive
implementation
800
x11667
1118A
Water Buying
math
800
x20223
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18818
1108A
Two distinct points
implementation
800
x21944
1106A
Lunar New Year and Cross Counting
implementation
800
x12373
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15447
1102A
Integer Sequence Dividing
math
800
x24543
1099A
Snowball
implementation
800
x12939
1097A
Gennady and a Card Game
brute force
,
implementation
800
x39178
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18822
1095A
Repeating Cipher
implementation
800
x31988
1093A
Dice Rolling
math
800
x17750
1092B
Teams Forming
sortings
800
x26624
1092A
Uniform String
implementation
800
x16342
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17649
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16903
1085A
Right-Left Cipher
implementation
,
strings
800
x12200
1081A
Definite Game
constructive algorithms
,
math
800
x12129
1080A
Petya and Origami
math
800
x18234
1077A
Frog Jumping
math
800
x30156
1075A
The King's Race
implementation
,
math
800
x8566
1065A
Vasya and Chocolate
implementation
,
math
800
x14696
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x22651
1061A
Coins
greedy
,
implementation
,
math
800
x22100
1060A
Phone Numbers
brute force
800
x14279
1056A
Determine Line
implementation
800
x6747
1054A
Elevator or Stairs?
implementation
800
x9106
1047A
Little C Loves 3 I
math
800
x20044
1043A
Elections
implementation
,
math
800
x10824
1041A
Heist
greedy
,
implementation
,
sortings
800
x25245
1038A
Equality
implementation
,
strings
800
x14984
1031A
Golden Plate
implementation
,
math
800
x12920
1030A
In Search of an Easy Problem
implementation
800
x134846
1028A
Find Square
implementation
800
x10913
1017A
The Rank
implementation
800
x20579
1015A
Points in Segments
implementation
800
x21071
1013A
Piles With Stones
math
800
x10994
1009A
Game Shopping
implementation
800
x11824
1006A
Adjacent Replacements
implementation
800
x21692
1005A
Tanya and Stairways
implementation
800
x24019
1003A
Polycarp's Pockets
implementation
800
x27363
1002A1
Generate superposition of all basis states
800
x848
999A
Mishka and Contest
brute force
,
implementation
800
x23190
996A
Hit the Lottery
dp
,
greedy
800
x92854
994A
Fingerprints
implementation
800
x14225
992A
Nastya and an Array
implementation
,
sortings
800
x13213
988A
Diverse Team
brute force
,
implementation
800
x25282
987A
Infinity Gauntlet
implementation
800
x16656
984A
Game
sortings
800
x19550
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