| 100-E |
Lamps in a Line
|
*special
math
|
1600
|
| 100-D |
World of Mouth
|
*special
strings
|
1500
|
| 100-C |
A+B
|
*special
implementation
|
1400
|
| 100-B |
Friendly Numbers
|
*special
implementation
|
1500
|
| 100-A |
Carpeting the Room
|
*special
implementation
|
1100
|
| 99-B |
Help Chef Gerasim
|
implementation
sortings
|
1300
|
| 99-A |
Help Far Away Kingdom
|
strings
|
800
|
| 98-E |
Help Shrek and Donkey
|
dp
games
math
+1
|
2700
|
| 98-D |
Help Monks
|
constructive algorithms
|
2500
|
| 98-C |
Help Greg the Dwarf
|
geometry
ternary search
|
2500
|
| 98-B |
Help King
|
implementation
probabilities
trees
|
2200
|
| 98-A |
Help Victoria the Wise
|
brute force
implementation
|
1700
|
| 97-E |
Leaders
|
dfs and similar
dsu
graphs
+1
|
2200
|
| 97-D |
Robot in Basement
|
bitmasks
brute force
implementation
|
2700
|
| 97-C |
Winning Strategy
|
binary search
graphs
math
+1
|
2400
|
| 97-B |
Superset
|
constructive algorithms
divide and conquer
|
2300
|
| 97-A |
Domino
|
brute force
implementation
|
2400
|
| 96-B |
Lucky Numbers (easy)
|
binary search
bitmasks
brute force
|
1300
|
| 96-A |
Football
|
implementation
strings
|
900
|
| 95-E |
Lucky Country
|
dp
dsu
graphs
|
2500
|
| 95-D |
Horse Races
|
dp
math
|
2500
|
| 95-C |
Volleyball
|
shortest paths
|
1900
|
| 95-B |
Lucky Numbers
|
dp
greedy
|
1800
|
| 95-A |
Hockey
|
implementation
strings
|
1600
|
| 94-B |
Friends
|
graphs
implementation
math
|
1300
|
| 94-A |
Restoring Password
|
implementation
strings
|
900
|
| 93-E |
Lostborn
|
dp
math
number theory
|
2600
|
| 93-D |
Flags
|
dp
math
matrices
|
2500
|
| 93-C |
Azembler
|
brute force
implementation
|
2500
|
| 93-B |
End of Exams
|
greedy
|
1900
|
| 93-A |
Frames
|
implementation
|
1700
|
| 92-B |
Binary Number
|
greedy
|
1300
|
| 92-A |
Chips
|
implementation
math
|
800
|
| 91-E |
Igloo Skyscraper
|
data structures
geometry
|
2500
|
| 91-D |
Grocer's Problem
|
constructive algorithms
graphs
greedy
|
2600
|
| 91-C |
Ski Base
|
combinatorics
dsu
graphs
|
2300
|
| 91-B |
Queue
|
binary search
data structures
|
1500
|
| 91-A |
Newspaper Headline
|
greedy
strings
|
1500
|
| 90-B |
African Crossword
|
implementation
strings
|
1100
|
| 90-A |
Cableway
|
greedy
math
|
1000
|
| 89-E |
Fire and Ice
|
greedy
|
2900
|
| 89-D |
Space mines
|
geometry
|
2500
|
| 89-C |
Chip Play
|
brute force
data structures
implementation
|
2300
|
| 89-B |
Widget Library
|
dp
expression parsing
graphs
+1
|
2300
|
| 89-A |
Robbery
|
greedy
|
1800
|
| 88-B |
Keyboard
|
implementation
|
1500
|
| 88-A |
Chord
|
brute force
implementation
|
1200
|
| 87-E |
Mogohu-Rea Idol
|
geometry
|
2600
|
| 87-D |
Beautiful Road
|
dfs and similar
dp
dsu
+4
|
2300
|
| 87-C |
Interesting Game
|
dp
games
math
|
2000
|