Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Refact.ai Match 1 (Codeforces Round 985)
3 days
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
1374A
Required Remainder
math
800
x54272
1373B
01 Game
games
900
x36348
1373A
Donut Shops
greedy
,
implementation
,
math
1000
x27174
1372A
Omkar and Completion
constructive algorithms
,
implementation
800
x32001
1371A
Magical Sticks
math
800
x46348
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x52681
1369A
FashionabLee
geometry
,
math
800
x36708
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x39706
1367B
Even Array
greedy
,
math
800
x54006
1367A
Short Substrings
implementation
,
strings
800
x57856
1362A
Johnny and Ancient Computer
implementation
1000
x24356
1360B
Honest Coach
greedy
,
sortings
800
x48195
1360A
Minimal Square
greedy
,
math
800
x50985
1359B
New Theatre Square
brute force
,
dp
,
greedy
,
implementation
,
two pointers
1000
x27887
1359A
Berland Poker
brute force
,
greedy
,
math
1000
x29747
1358B
Maria Breaks the Self-isolation
greedy
,
sortings
1000
x24964
1358A
Park Lighting
greedy
,
math
800
x39638
1354A
Alarm Clock
math
900
x23829
1353C
Board Moves
math
1000
x35622
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x50191
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x40877
1352A
Sum of Round Numbers
implementation
,
math
800
x80705
1351B
Square?
brute force
,
implementation
,
math
900
x17087
1351A
A+B (Trial Problem)
implementation
800
x24132
1350A
Orac and Factors
math
900
x26128
1348A
Phoenix and Balance
greedy
,
math
800
x39727
1346A
Color Revolution
*special problem
,
math
1000
x2043
1345A
Puzzle Pieces
math
800
x24227
1343B
Balanced Array
constructive algorithms
,
math
800
x56928
1343A
Candies
brute force
,
math
900
x48235
1342A
Road To Zero
greedy
,
math
1000
x40766
1341A
Nastya and Rice
math
900
x29104
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x32166
1337B
Kana and Dragon Quest game
greedy
,
implementation
,
math
900
x34351
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x38522
1335B
Construct the String
constructive algorithms
900
x38643
1335A
Candies and Two Sisters
math
800
x85665
1333A
Little Artem
constructive algorithms
1000
x24648
1330A
Dreamoon and Ranking Collection
implementation
900
x18796
1328A
Divisibility Problem
math
800
x103807
1326B
Maximums
implementation
,
math
900
x24088
1326A
Bad Ugly Numbers
constructive algorithms
,
number theory
1000
x30469
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x36155
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x40408
1324A
Yet Another Tetris Problem
implementation
,
number theory
900
x26021
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19847
1321A
Contest for Robots
greedy
900
x14343
1316A
Grade Allocation
implementation
800
x18719
1315A
Dead Pixel
implementation
800
x12163
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x15546
1312B
Bogosort
constructive algorithms
,
sortings
1000
x27171
1312A
Two Regular Polygons
geometry
,
greedy
,
math
,
number theory
800
x25990
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x42218
1307A
Cow and Haybales
greedy
,
implementation
800
x14990
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x14136
1304A
Two Rabbits
math
800
x25583
1303A
Erasing Zeroes
implementation
,
strings
800
x32476
1301A
Three Strings
implementation
,
strings
800
x19423
1300B
Assigning to Classes
greedy
,
implementation
,
sortings
1000
x23646
1300A
Non-zero
implementation
,
math
800
x21059
1296B
Food Buying
math
900
x30364
1296A
Array with Odd Sum
math
800
x42218
1295A
Display The Number
greedy
900
x22907
1294A
Collecting Coins
math
800
x47198
1293B
JOE is on TV!
combinatorics
,
greedy
,
math
1000
x21279
1291A
Even But Not Even
greedy
,
math
,
strings
900
x19613
1287A
Angry Students
greedy
,
implementation
800
x20671
1285A
Mezo Playing Zoma
math
800
x28202
1284A
New Year and Naming
implementation
,
strings
800
x18022
1283B
Candies Division
math
900
x21752
1283A
Minutes Before the New Year
math
800
x50780
1282A
Temporarily unavailable
implementation
,
math
900
x14879
1281A
Suffix Three
implementation
800
x18013
1279A
New Year Garland
math
900
x16971
1278A
Shuffle Hashing
brute force
,
implementation
,
strings
1000
x16811
1277A
Happy Birthday, Polycarp!
implementation
1000
x13440
1272A
Three Friends
brute force
,
greedy
,
math
,
sortings
900
x20744
1271A
Suits
brute force
,
greedy
,
math
800
x14992
1270A
Card Game
games
,
greedy
,
math
800
x16998
1269A
Equation
brute force
,
math
800
x21753
1267B
Balls of Buma
900
x4055
1266B
Dice Tower
constructive algorithms
,
math
1000
x15114
1266A
Competitive Programmer
chinese remainder theorem
,
math
1000
x15969
1265A
Beautiful String
constructive algorithms
,
greedy
1000
x15145
1260A
Heating
math
1000
x14814
1257B
Magic Stick
math
1000
x21021
1257A
Two Rival Students
greedy
,
math
800
x20633
1256A
Payment Without Change
math
1000
x29548
1255A
Changing Volume
math
800
x17237
1253A
Single Push
implementation
1000
x18091
1252A
Copying Homework
1000
x5651
1251A
Broken Keyboard
brute force
,
strings
,
two pointers
1000
x19701
1250F
Data Center
brute force
,
implementation
800
x7367
1249B1
Books Exchange (easy version)
dsu
,
math
1000
x20750
1249A
Yet Another Dividing into Teams
math
800
x22407
1248B
Grow The Tree
greedy
,
math
,
sortings
900
x16925
1248A
Integer Points
geometry
,
math
1000
x14152
1245A
Good ol' Numbers Coloring
math
,
number theory
1000
x14256
1244B
Rooms and Staircases
brute force
,
implementation
1000
x15886
1244A
Pens and Pencils
math
800
x19284
←
1
2
...
7
8
9
10
11
...
15
16
→
User lists
Name