Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Educational Codeforces Round 165 (Rated for Div. 2)
43:54:11
Register now »
→ Filter Problems
Difficulty:
—
greedy
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
1631A
Min Max Swap
greedy
800
x28616
1929A
Sasha and the Beautiful Array
constructive algorithms
,
greedy
,
math
,
sortings
800
x28680
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28695
1919B
Plus-Minus Split
greedy
800
x28723
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x28937
1541A
Pretty Permutations
constructive algorithms
,
greedy
,
implementation
800
x28959
1807C
Find and Replace
greedy
,
implementation
,
strings
800
x29075
1714B
Remove Prefix
data structures
,
greedy
,
implementation
800
x29250
1729B
Decode String
greedy
,
strings
800
x29309
1529A
Eshag Loves Big Arrays
constructive algorithms
,
greedy
,
math
800
x29349
1931B
Make Equal
greedy
800
x29764
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29802
1714C
Minimum Varied Number
greedy
800
x29879
1811A
Insert Digit
greedy
,
math
,
strings
800
x29947
1490A
Dense Array
greedy
,
math
800
x30578
1862A
Gift Carpet
dp
,
greedy
,
implementation
,
strings
800
x30582
1538B
Friends and Candies
greedy
,
math
800
x30978
1716A
2-3 Moves
greedy
,
math
800
x31312
1675A
Food for Animals
greedy
,
math
800
x31424
1921B
Arranging Cats
greedy
,
implementation
800
x31815
1873D
1D Eraser
greedy
,
implementation
,
two pointers
800
x32407
1690A
Print a Pedestal (Codeforces logo?)
constructive algorithms
,
greedy
800
x32465
1692B
All Distinct
greedy
,
sortings
800
x32656
1669C
Odd/Even Increments
greedy
,
greedy
,
implementation
,
math
800
x32744
1473A
Replacing Elements
greedy
,
implementation
,
math
,
sortings
800
x32808
1843A
Sasha and Array Coloring
greedy
,
sortings
,
two pointers
800
x32870
1858A
Buttons
games
,
greedy
,
math
800
x33970
1325B
CopyCopyCopyCopyCopy
greedy
,
implementation
800
x34778
978B
File Name
greedy
,
strings
800
x34922
1660A
Vasya and Coins
greedy
,
math
800
x34954
1933A
Turtle Puzzle: Rearrange and Negate
greedy
,
math
,
sortings
800
x35068
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35672
1537A
Arithmetic Array
greedy
,
math
800
x35884
1385B
Restore the Permutation by Merger
greedy
800
x36236
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36679
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37134
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x38011
1358A
Park Lighting
greedy
,
math
800
x38031
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x38235
1348A
Phoenix and Balance
greedy
,
math
800
x38308
1878A
How Much Does Daytona Cost?
greedy
800
x38403
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x38901
1927A
Make it White
greedy
,
strings
800
x39380
1807B
Grab the Candies
greedy
800
x39595
1921A
Square
greedy
,
math
800
x39654
1311A
Add Odd or Subtract Even
greedy
,
implementation
,
math
800
x40616
1472A
Cards for Friends
greedy
,
math
800
x40771
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x41307
1760B
Atilla's Favorite Problem
greedy
,
implementation
,
strings
800
x41499
1399B
Gifts Fixing
greedy
800
x42300
1857A
Array Coloring
greedy
,
math
800
x43149
1873B
Good Kid
brute force
,
greedy
,
math
800
x43877
1742B
Increasing
greedy
,
implementation
,
sortings
800
x44117
1676B
Equal Candies
greedy
,
math
,
sortings
800
x44918
1360B
Honest Coach
greedy
,
sortings
800
x45941
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x46315
1472B
Fair Division
dp
,
greedy
,
math
800
x47330
1353B
Two Arrays And Swaps
greedy
,
sortings
800
x47433
1360A
Minimal Square
greedy
,
math
800
x47895
1551A
Polycarp and Coins
greedy
,
math
800
x48226
1370A
Maximum GCD
greedy
,
implementation
,
math
,
number theory
800
x48572
1367B
Even Array
greedy
,
math
800
x50097
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x55297
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x56494
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x59999
1409A
Yet Another Two Integers Problem
greedy
,
math
800
x62299
1399A
Remove Smallest
greedy
,
sortings
800
x62507
996A
Hit the Lottery
dp
,
greedy
800
x83901
469A
I Wanna Be the Guy
greedy
,
implementation
800
x91019
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x197484
50A
Domino piling
greedy
,
math
800
x227932
231A
Team
brute force
,
greedy
800
x298054
←
1
2
...
25
26
27
→
User lists
Name