| 633-E |
Startup Funding
|
binary search
constructive algorithms
data structures
+2
|
2400
|
| 633-D |
Fibonacci-ish
|
brute force
dp
hashing
+2
|
2000
|
| 633-C |
Spy Syndrome 2
|
data structures
dp
hashing
+4
|
1900
|
| 633-B |
A Trivial Problem
|
brute force
constructive algorithms
math
+1
|
1300
|
| 633-A |
Ebony and Ivory
|
brute force
math
number theory
|
1100
|
| 632-F |
Magic Matrix
|
brute force
divide and conquer
graphs
+2
|
2400
|
| 632-E |
Thief in a Shop
|
divide and conquer
dp
fft
+1
|
2400
|
| 632-D |
Longest Subsequence
|
brute force
math
number theory
|
2100
|
| 632-C |
The Smallest String Concatenation
|
sortings
strings
|
1700
|
| 632-B |
Alice, Bob, Two Teams
|
brute force
constructive algorithms
|
1400
|
| 632-A |
Grandma Laura and Apples
|
|
1200
|
| 631-E |
Product Sum
|
data structures
dp
geometry
|
2600
|
| 631-D |
Messenger
|
data structures
hashing
implementation
+2
|
2100
|
| 631-C |
Report
|
data structures
sortings
|
1700
|
| 631-B |
Print Check
|
constructive algorithms
implementation
|
1200
|
| 631-A |
Interview
|
brute force
implementation
|
900
|
| 630-R |
Game
|
games
math
|
1200
|
| 630-Q |
Pyramids
|
geometry
math
|
1700
|
| 630-P |
Area of a Star
|
geometry
math
|
2100
|
| 630-O |
Arrow
|
geometry
|
2000
|
| 630-N |
Forecast
|
math
|
1300
|
| 630-M |
Turn
|
geometry
math
|
1800
|
| 630-L |
Cracking the Code
|
implementation
math
|
1400
|
| 630-K |
Indivisibility
|
math
number theory
|
1500
|
| 630-J |
Divisibility
|
math
number theory
|
1100
|
| 630-I |
Parking Lot
|
combinatorics
math
|
1700
|
| 630-H |
Benches
|
combinatorics
math
|
1400
|
| 630-G |
Challenge Pennants
|
combinatorics
math
|
1600
|
| 630-F |
Selection of Personnel
|
combinatorics
math
|
1300
|
| 630-E |
A rectangle
|
math
|
1900
|
| 630-D |
Hexagons!
|
math
|
1100
|
| 630-C |
Lucky Numbers
|
combinatorics
math
|
1100
|
| 630-B |
Moore's Law
|
math
|
1200
|
| 630-A |
Again Twenty Five!
|
number theory
|
800
|
| 629-E |
Famil Door and Roads
|
combinatorics
data structures
dfs and similar
+3
|
2300
|
| 629-D |
Babaei and Birthday Cake
|
data structures
dp
|
2000
|
| 629-C |
Famil Door and Brackets
|
dp
strings
|
2000
|
| 629-B |
Far Relative’s Problem
|
brute force
|
1100
|
| 629-A |
Far Relative’s Birthday Cake
|
brute force
combinatorics
constructive algorithms
+1
|
800
|
| 628-F |
Bear and Fair Set
|
flows
graphs
|
2500
|
| 628-E |
Zbazi in Zeydabad
|
data structures
implementation
|
2300
|
| 628-D |
Magic Numbers
|
dp
|
2200
|
| 628-C |
Bear and String Distance
|
greedy
strings
|
1300
|
| 628-B |
New Skateboard
|
dp
|
1300
|
| 628-A |
Tennis Tournament
|
implementation
math
|
1000
|
| 627-F |
Island Puzzle
|
dfs and similar
dsu
graphs
+1
|
3400
|
| 627-E |
Orchestra
|
two pointers
|
3000
|
| 627-D |
Preorder Test
|
binary search
dfs and similar
dp
+3
|
2600
|
| 627-C |
Package Delivery
|
data structures
divide and conquer
greedy
|
2200
|
| 627-B |
Factory Repairs
|
data structures
|
1700
|