Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 972 (Div. 2)
42:23:21
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
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21707
1206A
Choose Two Numbers
math
,
sortings
800
x24239
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20301
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27653
1194A
Remove a Progression
math
800
x16190
1191A
Tokitsukaze and Enhancement
brute force
800
x18104
1189A
Keanu Reeves
strings
800
x15225
1186A
Vus the Cossack and a Contest
implementation
800
x37288
1185A
Ropewalkers
math
800
x14848
1183A
Nearest Interesting Number
implementation
800
x24620
1180A
Alex and a Rhombus
dp
,
implementation
,
math
800
x25062
1178A
Prime Minister
greedy
800
x10392
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x22739
1173A
Nauuo and Votes
greedy
800
x16196
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x19235
1162A
Zoning Restrictions Again
implementation
800
x8249
1159A
A pile of stones
implementation
,
math
800
x12638
1154A
Restoring Three Numbers
math
800
x69910
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x15121
1150A
Stock Arbitraging
greedy
,
implementation
800
x11797
1148A
Another One Bites The Dust
greedy
800
x14846
1146A
Love "A"
implementation
,
strings
800
x21798
1144A
Diverse Strings
implementation
,
strings
800
x19163
1143A
The Doors
implementation
800
x13249
1139A
Even Substrings
implementation
,
strings
800
x16750
1136A
Nastya Is Reading a Book
implementation
800
x16353
1131A
Sea Battle
math
800
x12393
1130A
Be Positive
implementation
800
x11596
1118A
Water Buying
math
800
x20035
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18526
1108A
Two distinct points
implementation
800
x21694
1106A
Lunar New Year and Cross Counting
implementation
800
x12321
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15387
1102A
Integer Sequence Dividing
math
800
x24227
1099A
Snowball
implementation
800
x12868
1097A
Gennady and a Card Game
brute force
,
implementation
800
x38573
1096A
Find Divisible
greedy
,
implementation
,
math
800
x18689
1095A
Repeating Cipher
implementation
800
x31231
1093A
Dice Rolling
math
800
x17667
1092B
Teams Forming
sortings
800
x26171
1092A
Uniform String
implementation
800
x16187
1091A
New Year and the Christmas Ornament
brute force
,
implementation
,
math
800
x17467
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x16753
1085A
Right-Left Cipher
implementation
,
strings
800
x12123
1081A
Definite Game
constructive algorithms
,
math
800
x12014
1080A
Petya and Origami
math
800
x18047
1077A
Frog Jumping
math
800
x29825
1075A
The King's Race
implementation
,
math
800
x8472
1065A
Vasya and Chocolate
implementation
,
math
800
x14608
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x22308
1061A
Coins
greedy
,
implementation
,
math
800
x21770
1060A
Phone Numbers
brute force
800
x14075
1056A
Determine Line
implementation
800
x6617
1054A
Elevator or Stairs?
implementation
800
x9041
1047A
Little C Loves 3 I
math
800
x19832
1043A
Elections
implementation
,
math
800
x10760
1041A
Heist
greedy
,
implementation
,
sortings
800
x24932
1038A
Equality
implementation
,
strings
800
x14841
1031A
Golden Plate
implementation
,
math
800
x12836
1030A
In Search of an Easy Problem
implementation
800
x128643
1028A
Find Square
implementation
800
x10751
1017A
The Rank
implementation
800
x20329
1015A
Points in Segments
implementation
800
x20876
1013A
Piles With Stones
math
800
x10930
1009A
Game Shopping
implementation
800
x11720
1006A
Adjacent Replacements
implementation
800
x21517
1005A
Tanya and Stairways
implementation
800
x23500
1003A
Polycarp's Pockets
implementation
800
x27013
1002A1
Generate superposition of all basis states
800
x838
999A
Mishka and Contest
brute force
,
implementation
800
x22814
996A
Hit the Lottery
dp
,
greedy
800
x89507
994A
Fingerprints
implementation
800
x14084
992A
Nastya and an Array
implementation
,
sortings
800
x13045
988A
Diverse Team
brute force
,
implementation
800
x24773
987A
Infinity Gauntlet
implementation
800
x16503
984A
Game
sortings
800
x19350
978B
File Name
greedy
,
strings
800
x36027
978A
Remove Duplicates
implementation
800
x26887
977A
Wrong Subtraction
implementation
800
x164971
976A
Minimum Binary Number
implementation
800
x10515
965A
Paper Airplanes
math
800
x9445
964A
Splits
math
800
x9520
959A
Mahmoud and Ehab and the even-odd game
games
,
math
800
x46548
954A
Diagonal Walking
implementation
800
x10483
952A
Quirky Quantifiers
math
800
x11209
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x15210
946A
Partition
greedy
800
x16312
939A
Love Triangle
graphs
800
x24986
938A
Word Correction
implementation
800
x11421
937A
Olympiad
implementation
,
sortings
800
x15108
935A
Fafa and his Company
brute force
,
implementation
800
x42679
932A
Palindromic Supersequence
constructive algorithms
800
x10269
931A
Friends Meeting
brute force
,
greedy
,
implementation
,
math
800
x11881
919A
Supermarket
brute force
,
greedy
,
implementation
800
x16081
918A
Eleven
brute force
,
implementation
800
x16975
912A
Tricky Alchemy
implementation
800
x13430
910A
The Way to Home
dfs and similar
,
dp
,
greedy
,
implementation
800
x11775
908A
New Year and Counting Cards
brute force
,
implementation
800
x14777
900A
Find Extra One
geometry
,
implementation
800
x13548
899A
Splitting in Teams
constructive algorithms
,
greedy
,
math
800
x10173
←
1
2
...
5
6
7
8
9
→
User lists
Name