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Contest is running
Codeforces Round 945 (Div. 2)
00:29:26
→ Filter Problems
Difficulty:
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brute force
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
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Problems
#
Name
4A
Watermelon
brute force
,
math
800
x483757
231A
Team
brute force
,
greedy
800
x300671
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x194206
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x168499
271A
Beautiful Year
brute force
800
x128176
268A
Games
brute force
800
x81236
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x71150
155A
I_love_\%username\%
brute force
800
x70808
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x67579
1703A
YES or YES?
brute force
,
implementation
,
strings
800
x63118
1512A
Spy Detected!
brute force
,
implementation
800
x60150
1520A
Do Not Be Distracted!
brute force
,
implementation
800
x49797
80A
Panoramix's Prediction
brute force
800
x49781
1873A
Short Sort
brute force
,
implementation
800
x49060
1535A
Fair Playoff
brute force
,
implementation
800
x46543
1873B
Good Kid
brute force
,
greedy
,
math
800
x44598
1520B
Ordinary Numbers
brute force
,
math
,
number theory
800
x42975
935A
Fafa and his Company
brute force
,
implementation
800
x41603
1941A
Rudolf and the Ticket
brute force
,
math
800
x39080
1915B
Not Quite Latin Square
bitmasks
,
brute force
,
implementation
800
x38751
1872A
Two Vessels
brute force
,
greedy
,
math
800
x37386
509A
Maximum in Table
brute force
,
implementation
800
x37299
1097A
Gennady and a Card Game
brute force
,
implementation
800
x37108
1368A
C+=
brute force
,
greedy
,
implementation
,
math
800
x36917
1538A
Stone Game
brute force
,
dp
,
greedy
800
x35799
1703C
Cypher
brute force
,
implementation
,
strings
800
x34269
214A
System of Equations
brute force
800
x33725
1931A
Recovering a Small String
brute force
,
strings
800
x33647
894A
QAQ
brute force
,
dp
800
x32987
1633A
Div. 7
brute force
800
x31932
1691A
Beat The Odds
brute force
,
greedy
,
math
800
x29881
1709A
Three Doors
brute force
,
greedy
,
implementation
,
math
800
x29065
1676C
Most Similar Words
brute force
,
greedy
,
implementation
,
implementation
,
math
,
strings
800
x28884
711A
Bus to Udayland
brute force
,
implementation
800
x28844
1851A
Escalator Conversations
brute force
,
constructive algorithms
,
math
800
x28673
1629A
Download More RAM
brute force
,
greedy
,
sortings
800
x28562
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28562
1772B
Matrix Rotation
brute force
,
implementation
800
x28208
1853A
Desorting
brute force
,
greedy
,
math
800
x28131
1698A
XOR Mixup
bitmasks
,
brute force
800
x27911
1788A
One and Two
brute force
,
implementation
,
math
800
x27731
1881A
Don't Try to Count
brute force
,
strings
800
x27623
330A
Cakeminator
brute force
,
implementation
800
x27493
1557A
Ezzat and Two Subsequences
brute force
,
math
,
sortings
800
x27491
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x27290
1968A
Maximize?
brute force
,
math
,
number theory
800
x26864
1920A
Satisfying Constraints
brute force
,
greedy
,
math
800
x26552
1948A
Special Characters
brute force
,
constructive algorithms
800
x26385
1743A
Password
brute force
,
combinatorics
,
implementation
,
math
800
x26162
1846B
Rudolph and Tic-Tac-Toe
brute force
,
implementation
,
strings
800
x26125
1391B
Fix You
brute force
,
greedy
,
implementation
800
x26091
1382A
Common Subsequence
brute force
800
x26089
1478A
Nezzar and Colorful Balls
brute force
,
greedy
800
x25727
1886A
Sum of Three
brute force
,
constructive algorithms
,
math
800
x24565
1388A
Captain Flint and Crew Recruitment
brute force
,
greedy
,
math
,
number theory
800
x24559
1903A
Halloumi Boxes
brute force
,
greedy
,
sortings
800
x24425
1728A
Colored Balls: Revisited
brute force
,
greedy
,
implementation
,
sortings
800
x24374
1766A
Extremely Round
brute force
,
implementation
800
x24081
988A
Diverse Team
brute force
,
implementation
800
x23930
1497A
Meximization
brute force
,
data structures
,
greedy
,
sortings
800
x23903
1657A
Integer Moves
brute force
,
math
800
x23696
1822A
TubeTube Feed
brute force
,
implementation
800
x23656
1795A
Two Towers
brute force
,
implementation
,
strings
800
x23260
378A
Playing with Dice
brute force
800
x23146
1614A
Divan and a Store
brute force
,
constructive algorithms
,
greedy
800
x23063
1598A
Computer Game
brute force
,
dfs and similar
,
dp
,
implementation
800
x22810
1498A
GCD Sum
brute force
,
math
800
x22675
1736A
Make A Equal to B
brute force
,
greedy
,
sortings
800
x22457
999A
Mishka and Contest
brute force
,
implementation
800
x22304
1466A
Bovine Dilemma
brute force
,
geometry
,
math
800
x22284
1637A
Sorting Parts
brute force
,
sortings
800
x22091
1176A
Divide it!
brute force
,
greedy
,
implementation
800
x21927
1064A
Make a triangle!
brute force
,
geometry
,
math
800
x21721
1207A
There Are Two Types Of Burgers
brute force
,
greedy
,
implementation
,
math
800
x21372
1228A
Distinct Digits
brute force
,
implementation
800
x21253
1805A
We Need the Zero
bitmasks
,
brute force
800
x21168
1680A
Minimums and Maximums
brute force
,
math
800
x21034
1230A
Dawid and Bags of Candies
brute force
,
implementation
800
x21005
22A
Second Order Statistics
brute force
800
x20946
1269A
Equation
brute force
,
math
800
x20914
1646B
Quality vs Quantity
brute force
,
constructive algorithms
,
greedy
,
sortings
,
two pointers
800
x20879
1688A
Cirno's Perfect Bitmasks Classroom
bitmasks
,
brute force
800
x20848
1734A
Select Three Sticks
brute force
,
greedy
,
sortings
800
x20777
1720B
Interesting Sum
brute force
,
data structures
,
greedy
,
math
,
sortings
800
x20775
1644B
Anti-Fibonacci Permutation
brute force
,
constructive algorithms
,
implementation
800
x20465
1810A
Beautiful Sequence
brute force
,
greedy
800
x20364
855A
Tom Riddle's Diary
brute force
,
implementation
,
strings
800
x20176
1200A
Hotelier
brute force
,
data structures
,
implementation
800
x20051
1536A
Omkar and Bad Story
brute force
,
constructive algorithms
800
x20048
1623A
Robot Cleaner
brute force
,
implementation
,
math
800
x19895
1323A
Even Subset Sum Problem
brute force
,
dp
,
greedy
,
implementation
800
x19382
1775A1
Gardener and the Capybaras (easy version)
brute force
,
constructive algorithms
,
implementation
800
x19330
1956A
Nene's Game
binary search
,
brute force
,
data structures
,
games
,
greedy
800
x19121
1167A
Telephone Number
brute force
,
greedy
,
strings
800
x18795
1796A
Typical Interview Problem
brute force
,
implementation
,
strings
800
x18577
1654A
Maximum Cake Tastiness
brute force
,
greedy
,
implementation
,
sortings
800
x18421
1114A
Got Any Grapes?
brute force
,
greedy
,
implementation
800
x18249
1546A
AquaMoon and Two Arrays
brute force
,
greedy
800
x18090
1491A
K-th Largest Value
brute force
,
greedy
,
implementation
800
x18043
1191A
Tokitsukaze and Enhancement
brute force
800
x17858
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