Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 946 (Div. 3)
10:24:18
Register now »
→ Filter Problems
Difficulty:
—
dp
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
1769C2
Подкрутка II
*special problem
,
dp
1300
x916
653B
Bear and Compressing
brute force
,
dfs and similar
,
dp
,
strings
1300
x4893
234C
Weather
dp
,
implementation
1300
x5342
626B
Cards
constructive algorithms
,
dp
,
math
1300
x6524
1040B
Shashlik Cooking
dp
,
greedy
,
math
1300
x7015
798B
Mike and strings
brute force
,
dp
,
strings
1300
x8273
416B
Art Union
brute force
,
dp
,
implementation
1300
x8533
870C
Maximum splitting
dp
,
greedy
,
math
,
number theory
1300
x8964
1315B
Homecoming
binary search
,
dp
,
greedy
,
strings
1300
x8965
665C
Simple Strings
dp
,
greedy
,
strings
1300
x9240
777B
Game of Credit Cards
data structures
,
dp
,
greedy
,
sortings
1300
x9351
628B
New Skateboard
dp
1300
x10338
1900C
Anji's Binary Tree
dfs and similar
,
dp
,
trees
1300
x10498
1870C
Colorful Table
binary search
,
data structures
,
dp
,
implementation
,
math
,
two pointers
1300
x10770
1774C
Ice and Fire
constructive algorithms
,
dp
,
greedy
1300
x11585
1945D
Seraphim the Owl
dp
,
greedy
1300
x12304
1534C
Little Alawn's Puzzle
combinatorics
,
dp
,
dsu
,
graphs
,
math
1300
x12519
1766C
Hamiltonian Wall
dp
,
implementation
1300
x13144
1937B
Binary Path
dp
,
greedy
,
implementation
1300
x13219
1553B
Reverse String
brute force
,
dp
,
hashing
,
implementation
,
strings
1300
x13843
1176C
Lose it!
dp
,
greedy
,
implementation
1300
x13872
1459B
Move and Turn
dp
,
math
1300
x13962
1178B
WOW Factor
dp
,
strings
1300
x14058
1676G
White-Black Balanced Subtrees
dfs and similar
,
dp
,
graphs
,
trees
1300
x14282
1753A1
Make Nonzero Sum (easy version)
constructive algorithms
,
dp
,
greedy
1300
x14338
1948C
Arrow Path
brute force
,
constructive algorithms
,
dfs and similar
,
dp
,
graphs
,
shortest paths
1300
x14590
1844C
Particles
dp
,
greedy
,
implementation
,
math
1300
x14887
1879C
Make it Alternating
combinatorics
,
dp
,
greedy
1300
x15032
1443B
Saving the City
dp
,
greedy
,
math
,
sortings
1300
x15511
1661B
Getting Zero
bitmasks
,
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1300
x17035
1420C1
Pokémon Army (easy version)
constructive algorithms
,
dp
,
greedy
1300
x17041
1466C
Canine poetry
dp
,
greedy
,
strings
1300
x17331
1703F
Yet Another Problem About Pairs Satisfying an Inequality
binary search
,
data structures
,
dp
,
greedy
,
sortings
1300
x18314
1618D
Array and Operations
dp
,
greedy
,
math
1300
x18331
1037C
Equalize
dp
,
greedy
,
strings
1300
x18344
1927D
Find the Different Ones!
binary search
,
brute force
,
data structures
,
dp
,
dsu
,
greedy
,
two pointers
1300
x18451
1660C
Get an Even String
dp
,
greedy
,
strings
1300
x18815
1555C
Coin Rows
brute force
,
constructive algorithms
,
dp
,
implementation
1300
x20933
1285B
Just Eat It!
dp
,
greedy
,
implementation
1300
x21111
1470A
Strange Birthday Party
binary search
,
dp
,
greedy
,
sortings
,
two pointers
1300
x21317
1360E
Polygon
dp
,
graphs
,
implementation
,
shortest paths
1300
x24466
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x29133
189A
Cut Ribbon
brute force
,
dp
1300
x62955
1769C1
Подкрутка I
*special problem
,
brute force
,
dp
,
greedy
1200
x932
729B
Spotlights
dp
,
implementation
1200
x7746
1140D
Minimum Triangulation
dp
,
greedy
,
math
1200
x12378
998B
Cutting
dp
,
greedy
,
sortings
1200
x12775
1245B
Restricted RPS
constructive algorithms
,
dp
,
greedy
1200
x13450
1200B
Block Adventure
dp
,
greedy
1200
x13747
1042B
Vitamins
bitmasks
,
brute force
,
dp
,
implementation
1200
x15250
522A
Reposts
*special problem
,
dfs and similar
,
dp
,
graphs
,
trees
1200
x15739
1859C
Another Permutation Problem
brute force
,
dp
,
greedy
,
math
1200
x16363
1029B
Creating the Contest
dp
,
greedy
,
math
1200
x16425
1485B
Replace and Keep Sorted
dp
,
implementation
,
math
1200
x16697
1941D
Rudolf and the Ball Game
dfs and similar
,
dp
,
implementation
1200
x16728
1934B
Yet Another Coin Problem
brute force
,
dp
,
greedy
,
math
1200
x16801
1713C
Build Permutation
constructive algorithms
,
dp
,
math
1200
x16853
1843D
Apple Tree
combinatorics
,
dfs and similar
,
dp
,
math
,
trees
1200
x17090
1553C
Penalty
bitmasks
,
brute force
,
dp
,
greedy
1200
x17346
1846C
Rudolf and the Another Competition
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
1200
x18002
1914D
Three Activities
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x18360
961B
Lecture Sleep
data structures
,
dp
,
implementation
,
two pointers
1200
x19316
1598C
Delete Two Elements
data structures
,
dp
,
implementation
,
math
,
two pointers
1200
x20103
1406B
Maximum Product
brute force
,
dp
,
greedy
,
implementation
,
sortings
1200
x22076
1926C
Vlad and a Sum of Sum of Digits
dp
,
implementation
1200
x23430
1355B
Young Explorers
dp
,
greedy
,
sortings
1200
x24907
1272C
Yet Another Broken Keyboard
combinatorics
,
dp
,
implementation
1200
x25214
1472D
Even-Odd Game
dp
,
games
,
greedy
,
sortings
1200
x26130
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x26745
1354B
Ternary String
binary search
,
dp
,
implementation
,
two pointers
1200
x29275
1343C
Alternating Subsequence
dp
,
greedy
,
two pointers
1200
x36456
433B
Kuriyama Mirai's Stones
dp
,
implementation
,
sortings
1200
x36532
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x40104
489B
BerSU Ball
dfs and similar
,
dp
,
graph matchings
,
greedy
,
sortings
,
two pointers
1200
x46735
←
1
2
3
4
5
→
User lists
Name