| 1607-D |
Blue-Red Permutation
|
greedy
math
sortings
|
1300
|
| 1607-C |
Minimum Extraction
|
brute force
sortings
|
1000
|
| 1607-B |
Odd Grasshopper
|
math
|
900
|
| 1607-A |
Linear Keyboard
|
implementation
strings
|
800
|
| 1606-F |
Tree Queries
|
brute force
dp
trees
|
2800
|
| 1606-E |
Arena
|
combinatorics
dp
math
|
2100
|
| 1606-D |
Red-Blue Matrix
|
brute force
constructive algorithms
implementation
+1
|
2400
|
| 1606-C |
Banknotes
|
greedy
number theory
|
1400
|
| 1606-B |
Update Files
|
greedy
implementation
math
|
1100
|
| 1606-A |
AB Balance
|
strings
|
900
|
| 1605-F |
PalindORme
|
combinatorics
dp
|
2900
|
| 1605-E |
Array Equalizer
|
binary search
greedy
implementation
+4
|
2400
|
| 1605-D |
Treelabeling
|
bitmasks
constructive algorithms
dfs and similar
+4
|
2100
|
| 1605-C |
Dominant Character
|
brute force
greedy
implementation
+1
|
1400
|
| 1605-B |
Reverse Sort
|
greedy
sortings
|
1000
|
| 1605-A |
A.M. Deviation
|
math
number theory
|
800
|
| 1604-B |
XOR Specia-LIS-t
|
|
1100
|
| 1604-A |
Era
|
greedy
|
800
|
| 1603-F |
October 18, 2017
|
combinatorics
dp
implementation
+1
|
2700
|
| 1603-E |
A Perfect Problem
|
combinatorics
dp
math
|
3200
|
| 1603-D |
Artistic Partition
|
divide and conquer
dp
number theory
|
3000
|
| 1603-C |
Extreme Extension
|
dp
greedy
math
+1
|
2300
|
| 1603-B |
Moderate Modular Mode
|
constructive algorithms
math
number theory
|
1600
|
| 1603-A |
Di-visible Confusion
|
constructive algorithms
math
number theory
|
1300
|
| 1602-B |
Divine Array
|
constructive algorithms
implementation
|
1100
|
| 1602-A |
Two Subsequences
|
implementation
|
800
|
| 1601-F |
Two Sorts
|
binary search
dfs and similar
math
+1
|
3400
|
| 1601-E |
Phys Ed Online
|
data structures
dp
greedy
|
2900
|
| 1601-D |
Difficult Mountain
|
data structures
dp
greedy
+1
|
2700
|
| 1601-C |
Optimal Insertion
|
data structures
divide and conquer
dp
+2
|
2300
|
| 1601-B |
Frog Traveler
|
data structures
dfs and similar
dp
+3
|
1900
|
| 1601-A |
Array Elimination
|
bitmasks
greedy
math
+1
|
1300
|
| 1600-J |
Robot Factory
|
bitmasks
dfs and similar
|
1400
|
| 1600-F |
Party Organization
|
brute force
math
probabilities
|
2300
|
| 1600-E |
Array Game
|
games
greedy
two pointers
|
1900
|
| 1599-J |
Bob's Beautiful Array
|
bitmasks
brute force
greedy
|
2600
|
| 1599-I |
Desert
|
data structures
graphs
|
2700
|
| 1599-H |
Hidden Fortress
|
interactive
math
|
2100
|
| 1599-G |
Shortest path
|
brute force
geometry
math
+1
|
2700
|
| 1599-F |
Mars
|
hashing
|
2700
|
| 1599-E |
Two Arrays
|
data structures
matrices
|
3200
|
| 1599-D |
Bubble Popping
|
|
3200
|
| 1599-C |
Bubble Strike
|
combinatorics
math
probabilities
+1
|
2000
|
| 1599-B |
Restaurant Game
|
|
3100
|
| 1599-A |
Weights
|
constructive algorithms
greedy
two pointers
|
2600
|
| 1598-G |
The Sum of Good Numbers
|
hashing
math
string suffix structures
+1
|
3200
|
| 1598-F |
RBS
|
binary search
bitmasks
brute force
+2
|
2400
|
| 1598-E |
Staircases
|
brute force
combinatorics
data structures
+4
|
2100
|
| 1598-D |
Training Session
|
combinatorics
data structures
geometry
+2
|
1700
|
| 1598-C |
Delete Two Elements
|
data structures
dp
implementation
+2
|
1200
|