| 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
|
| 1598-B |
Groups
|
brute force
implementation
|
1000
|
| 1598-A |
Computer Game
|
brute force
dfs and similar
dp
+1
|
800
|
| 1594-F |
Ideal Farm
|
constructive algorithms
math
|
2400
|
| 1594-E2 |
Rubik's Cube Coloring (hard version)
|
brute force
dp
implementation
+2
|
2300
|
| 1594-E1 |
Rubik's Cube Coloring (easy version)
|
combinatorics
math
|
1300
|
| 1594-D |
The Number of Imposters
|
constructive algorithms
dfs and similar
dp
+2
|
1700
|
| 1594-C |
Make Them Equal
|
brute force
greedy
math
+1
|
1200
|
| 1594-B |
Special Numbers
|
bitmasks
math
|
1100
|
| 1594-A |
Consecutive Sum Riddle
|
math
|
800
|
| 1593-G |
Changing Brackets
|
constructive algorithms
data structures
dp
+1
|
2200
|
| 1593-F |
Red-Black Number
|
dfs and similar
dp
implementation
+2
|
2100
|
| 1593-E |
Gardener and Tree
|
brute force
data structures
dfs and similar
+3
|
1600
|
| 1593-D2 |
Half of Same
|
brute force
math
number theory
|
1900
|