| 1582-F1 |
Korney Korneevich and XOR (easy version)
|
bitmasks
dp
greedy
|
1800
|
| 1582-E |
Pchelyonok and Segments
|
binary search
data structures
dp
+2
|
2000
|
| 1582-D |
Vupsen, Pupsen and 0
|
constructive algorithms
math
|
1600
|
| 1582-C |
Grandma Capa Knits a Scarf
|
brute force
data structures
greedy
+2
|
1200
|
| 1582-B |
Luntik and Subsequences
|
combinatorics
math
|
900
|
| 1582-A |
Luntik and Concerts
|
math
|
800
|
| 1581-B |
Diameter of Graph
|
constructive algorithms
graphs
greedy
+1
|
1200
|
| 1581-A |
CQXYM Count Permutations
|
combinatorics
math
number theory
|
800
|
| 1580-F |
Problems for Codeforces
|
combinatorics
fft
math
|
3300
|
| 1580-E |
Railway Construction
|
brute force
constructive algorithms
data structures
+2
|
3400
|
| 1580-D |
Subsequence
|
brute force
divide and conquer
dp
+2
|
2900
|
| 1580-C |
Train Maintenance
|
brute force
data structures
implementation
|
2200
|
| 1580-B |
Mathematics Curriculum
|
brute force
combinatorics
dp
+1
|
2600
|
| 1580-A |
Portal
|
brute force
data structures
dp
+2
|
1700
|
| 1579-G |
Minimal Coverage
|
dp
|
2200
|
| 1579-F |
Array Stabilization (AND version)
|
brute force
graphs
math
+2
|
1700
|
| 1579-E2 |
Array Optimization by Deque
|
data structures
greedy
|
1700
|
| 1579-E1 |
Permutation Minimization by Deque
|
constructive algorithms
greedy
math
|
1000
|
| 1579-D |
Productive Meeting
|
constructive algorithms
graphs
greedy
|
1400
|
| 1579-C |
Ticks
|
greedy
implementation
|
1500
|
| 1579-B |
Shifting Sort
|
implementation
sortings
|
1100
|
| 1579-A |
Casimir's String Solitaire
|
math
strings
|
800
|
| 1578-M |
The Mind
|
constructive algorithms
interactive
probabilities
|
2700
|
| 1578-L |
Labyrinth
|
binary search
dsu
greedy
|
2400
|
| 1578-K |
Kingdom of Islands
|
brute force
graphs
implementation
|
2800
|
| 1578-J |
Just Kingdom
|
brute force
data structures
dfs and similar
|
3100
|
| 1578-I |
Interactive Rays
|
geometry
interactive
|
3300
|
| 1578-H |
Higher Order Functions
|
implementation
strings
|
1700
|
| 1578-G |
Game of Chance
|
math
probabilities
|
3500
|
| 1578-F |
Framing Pictures
|
geometry
|
2900
|
| 1578-E |
Easy Scheduling
|
implementation
math
|
1200
|
| 1578-D |
Dragon Curve
|
|
3200
|
| 1578-C |
Cactus Lady and her Cing
|
|
3500
|
| 1578-B |
Building Forest Trails
|
data structures
dsu
|
2800
|
| 1578-A |
Anti-Tetris
|
constructive algorithms
graphs
shortest paths
|
2800
|
| 1576-A |
Communication Routing Challenge
|
*special
|
—
|
| 1575-M |
Managing Telephone Poles
|
data structures
geometry
|
2400
|
| 1575-L |
Longest Array Deconstruction
|
data structures
divide and conquer
dp
+1
|
2100
|
| 1575-K |
Knitting Batik
|
implementation
math
|
2200
|
| 1575-J |
Jeopardy of Dropped Balls
|
binary search
brute force
dsu
+1
|
1500
|
| 1575-I |
Illusions of the Desert
|
data structures
trees
|
2300
|
| 1575-H |
Holiday Wall Ornaments
|
dp
strings
|
2200
|
| 1575-G |
GCD Festival
|
math
number theory
|
2200
|
| 1575-F |
Finding Expected Value
|
math
|
2900
|
| 1575-E |
Eye-Pleasing City Park Tour
|
data structures
trees
|
2600
|
| 1575-D |
Divisible by Twenty-Five
|
brute force
dfs and similar
dp
|
1800
|
| 1575-C |
Cyclic Sum
|
data structures
fft
number theory
|
3000
|
| 1575-B |
Building an Amusement Park
|
binary search
geometry
|
2300
|
| 1575-A |
Another Sorting Problem
|
data structures
sortings
strings
|
1100
|
| 1574-F |
Occurrences
|
combinatorics
dfs and similar
dp
+3
|
2700
|