| 1515-I |
Phoenix and Diamonds
|
binary search
data structures
sortings
|
3400
|
| 1515-H |
Phoenix and Bits
|
bitmasks
brute force
data structures
+1
|
3500
|
| 1515-G |
Phoenix and Odometers
|
dfs and similar
graphs
math
+1
|
2700
|
| 1515-F |
Phoenix and Earthquake
|
constructive algorithms
dfs and similar
dsu
+3
|
2600
|
| 1515-E |
Phoenix and Computers
|
combinatorics
dp
math
|
2200
|
| 1515-D |
Phoenix and Socks
|
greedy
sortings
two pointers
|
1500
|
| 1515-C |
Phoenix and Towers
|
constructive algorithms
data structures
greedy
|
1400
|
| 1515-B |
Phoenix and Puzzle
|
brute force
geometry
math
+1
|
1000
|
| 1515-A |
Phoenix and Gold
|
constructive algorithms
greedy
math
|
800
|
| 1514-E |
Baby Ehab's Hyper Apartment
|
binary search
graphs
interactive
+2
|
2700
|
| 1514-D |
Cut and Stick
|
binary search
data structures
greedy
+2
|
2000
|
| 1514-C |
Product 1 Modulo N
|
greedy
number theory
|
1600
|
| 1514-B |
AND 0, Sum Big
|
bitmasks
combinatorics
math
|
1200
|
| 1514-A |
Perfectly Imperfect Array
|
math
number theory
|
800
|
| 1513-F |
Swapping Problem
|
brute force
constructive algorithms
data structures
+1
|
2500
|
| 1513-E |
Cost Equilibrium
|
combinatorics
constructive algorithms
math
+1
|
2300
|
| 1513-D |
GCD and MST
|
constructive algorithms
dsu
graphs
+3
|
2000
|
| 1513-C |
Add One
|
dp
matrices
|
1600
|
| 1513-B |
AND Sequences
|
bitmasks
combinatorics
constructive algorithms
+1
|
1400
|
| 1513-A |
Array and Peaks
|
constructive algorithms
implementation
|
800
|
| 1512-G |
Short Task
|
brute force
dp
math
+1
|
1700
|
| 1512-F |
Education
|
brute force
dp
greedy
+1
|
1900
|
| 1512-E |
Permutation by Sum
|
brute force
greedy
math
|
1600
|
| 1512-D |
Corrupted Array
|
constructive algorithms
data structures
greedy
|
1200
|
| 1512-C |
A-B Palindrome
|
constructive algorithms
implementation
strings
|
1200
|
| 1512-B |
Almost Rectangle
|
implementation
|
800
|
| 1512-A |
Spy Detected!
|
brute force
implementation
|
800
|
| 1511-G |
Chips on a Board
|
bitmasks
brute force
data structures
+3
|
2700
|
| 1511-F |
Chainword
|
brute force
data structures
dp
+3
|
2700
|
| 1511-E |
Colorings and Dominoes
|
combinatorics
dp
greedy
+1
|
2100
|
| 1511-D |
Min Cost String
|
brute force
constructive algorithms
graphs
+2
|
1600
|
| 1511-C |
Yet Another Card Deck
|
brute force
data structures
implementation
+1
|
1100
|
| 1511-B |
GCD Length
|
constructive algorithms
math
number theory
|
1100
|
| 1511-A |
Review Site
|
greedy
|
800
|
| 1510-K |
King's Task
|
brute force
graphs
implementation
|
1200
|
| 1510-J |
Japanese Game
|
constructive algorithms
math
|
2700
|
| 1510-I |
Is It Rated?
|
greedy
interactive
math
+1
|
2700
|
| 1510-H |
Hard Optimization
|
dp
|
3200
|
| 1510-G |
Guide
|
|
2100
|
| 1510-F |
Fiber Shape
|
|
2800
|
| 1510-E |
Equilibrium Point /\textbackslash/\textbackslash
|
|
2700
|
| 1510-D |
Digits
|
dp
math
number theory
|
2100
|
| 1510-C |
Cactus Not Enough
|
dfs and similar
graph matchings
graphs
|
2900
|
| 1510-B |
Button Lock
|
flows
graph matchings
graphs
|
2600
|
| 1510-A |
ASCII Automata Art
|
|
3100
|
| 1509-C |
The Sports Festival
|
dp
greedy
|
1800
|
| 1509-B |
TMT Document
|
greedy
|
1100
|
| 1509-A |
Average Height
|
constructive algorithms
|
800
|
| 1508-F |
Optimal Encoding
|
brute force
data structures
|
3500
|
| 1508-E |
Tree Calendar
|
brute force
constructive algorithms
data structures
+3
|
3100
|