Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
16:59:17
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
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
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
1117B
Emotes
greedy
,
math
,
sortings
1000
x14485
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18811
1113A
Sasha and His Trip
dp
,
greedy
,
math
900
x17379
1111A
Superhero Transformation
implementation
,
strings
1000
x16916
1110A
Parity
math
900
x15122
1108A
Two distinct points
implementation
800
x21923
1107B
Digital root
math
,
number theory
1000
x16075
1107A
Digits Sequence Dividing
greedy
,
strings
900
x12078
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14739
1106A
Lunar New Year and Cross Counting
implementation
800
x12372
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15444
1102A
Integer Sequence Dividing
math
800
x24531
1101A
Minimum Integer
math
1000
x17505
1100A
Roman and Browser
implementation
1000
x10180
1099A
Snowball
implementation
800
x12936
1097A
Gennady and a Card Game
brute force
,
implementation
800
x39163
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18813
1095B
Array Stabilization
implementation
900
x22217
1095A
Repeating Cipher
implementation
800
x31966
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x16616
1093A
Dice Rolling
math
800
x17749
1092B
Teams Forming
sortings
800
x26615
1092A
Uniform String
implementation
800
x16337
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17646
1090M
The Pleasant Walk
implementation
1000
x6362
1089L
Lazyland
900
x4024
1088B
Ehab and subtraction
implementation
,
sortings
1000
x12657
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16898
1085A
Right-Left Cipher
implementation
,
strings
800
x12200
1084A
The Fair Nut and Elevator
brute force
,
implementation
1000
x7938
1081A
Definite Game
constructive algorithms
,
math
800
x12126
1080B
Margarite and the best present
math
900
x11847
1080A
Petya and Origami
math
800
x18228
1077B
Disturbed People
greedy
1000
x19094
1077A
Frog Jumping
math
800
x30150
1075A
The King's Race
implementation
,
math
800
x8565
1073B
Vasya and Books
implementation
,
math
1000
x10600
1073A
Diverse Substring
implementation
,
strings
1000
x15621
1065A
Vasya and Chocolate
implementation
,
math
800
x14693
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x22640
1061A
Coins
greedy
,
implementation
,
math
800
x22094
1060A
Phone Numbers
brute force
800
x14271
1059A
Cashier
implementation
1000
x12898
1057A
Bmail Computer Network
*special problem
,
dfs and similar
,
trees
900
x6187
1056A
Determine Line
implementation
800
x6732
1055A
Metro
graphs
900
x10784
1054B
Appending Mex
implementation
1000
x6610
1054A
Elevator or Stairs?
implementation
800
x9105
1051B
Relatively Prime Pairs
greedy
,
math
,
number theory
1000
x17250
1047B
Cover Points
geometry
,
math
900
x17321
1047A
Little C Loves 3 I
math
800
x20022
1043A
Elections
implementation
,
math
800
x10823
1041B
Buying a TV Set
math
1000
x14068
1041A
Heist
greedy
,
implementation
,
sortings
800
x25238
1040A
Palindrome Dance
greedy
1000
x9584
1038A
Equality
implementation
,
strings
800
x14969
1036A
Function Height
math
1000
x10182
1033A
King Escape
dfs and similar
,
graphs
,
implementation
1000
x13816
1032A
Kitchen Utensils
900
x6873
1031A
Golden Plate
implementation
,
math
800
x12918
1030A
In Search of an Easy Problem
implementation
800
x134674
1028A
Find Square
implementation
800
x10911
1027A
Palindromic Twist
implementation
,
strings
1000
x16430
1025A
Doggo Recoloring
implementation
,
sortings
900
x15216
1023B
Pair of Toys
math
1000
x10915
1020B
Badge
brute force
,
dfs and similar
,
graphs
1000
x21510
1020A
New Building for SIS
math
1000
x9011
1017A
The Rank
implementation
800
x20569
1016A
Death Note
greedy
,
implementation
,
math
900
x14949
1015A
Points in Segments
implementation
800
x21065
1013A
Piles With Stones
math
800
x10992
1011A
Stages
greedy
,
implementation
,
sortings
900
x12274
1009A
Game Shopping
implementation
800
x11824
1008B
Turn the Rectangles
greedy
,
sortings
1000
x11468
1008A
Romaji
implementation
,
strings
900
x15151
1006A
Adjacent Replacements
implementation
800
x21686
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x23676
1005A
Tanya and Stairways
implementation
800
x24007
1004A
Sonya and Hotels
implementation
900
x11264
1003A
Polycarp's Pockets
implementation
800
x27329
1002A1
Generate superposition of all basis states
800
x847
999B
Reversing Encryption
implementation
900
x17684
999A
Mishka and Contest
brute force
,
implementation
800
x23176
998A
Balloons
constructive algorithms
,
implementation
1000
x9642
996A
Hit the Lottery
dp
,
greedy
800
x92729
994A
Fingerprints
implementation
800
x14224
992A
Nastya and an Array
implementation
,
sortings
800
x13192
991B
Getting an A
greedy
,
sortings
900
x12672
991A
If at first you don't succeed...
implementation
1000
x10649
990A
Commentary Boxes
implementation
,
math
1000
x10629
989A
A Blend of Springtime
implementation
,
strings
900
x10391
988A
Diverse Team
brute force
,
implementation
800
x25259
987A
Infinity Gauntlet
implementation
800
x16639
984A
Game
sortings
800
x19541
981B
Businessmen Problems
sortings
1000
x7002
981A
Antipalindrome
brute force
,
implementation
,
strings
900
x9435
980A
Links and Pearls
implementation
,
math
900
x10444
979A
Pizza, Pizza, Pizza!!!
math
1000
x13851
978C
Letters
binary search
,
implementation
,
two pointers
1000
x25952
978B
File Name
greedy
,
strings
800
x36691
←
1
2
...
9
10
11
12
13
...
15
16
→
User lists
Name