| 1942-E |
Farm Game
|
combinatorics
games
|
2300
|
| 1942-D |
Learning to Paint
|
binary search
data structures
dfs and similar
+4
|
2100
|
| 1942-C2 |
Bessie's Birthday Cake (Hard Version)
|
geometry
greedy
math
|
1700
|
| 1942-C1 |
Bessie's Birthday Cake (Easy Version)
|
geometry
greedy
math
|
1300
|
| 1942-B |
Bessie and MEX
|
constructive algorithms
math
|
1100
|
| 1942-A |
Farmer John's Challenge
|
constructive algorithms
math
|
800
|
| 1941-G |
Rudolf and Subway
|
constructive algorithms
dfs and similar
graphs
+1
|
2000
|
| 1941-F |
Rudolf and Imbalance
|
binary search
greedy
sortings
+1
|
1800
|
| 1941-E |
Rudolf and k Bridges
|
binary search
data structures
dp
+1
|
1600
|
| 1941-D |
Rudolf and the Ball Game
|
dfs and similar
dp
implementation
|
1200
|
| 1941-C |
Rudolf and the Ugly String
|
dp
greedy
strings
|
900
|
| 1941-B |
Rudolf and 121
|
brute force
dp
greedy
+1
|
1000
|
| 1941-A |
Rudolf and the Ticket
|
brute force
math
|
800
|
| 1940-D |
Almost Certainly
|
*special
constructive algorithms
data structures
+1
|
—
|
| 1940-C |
Burenka and Pether
|
*special
data structures
dfs and similar
+5
|
—
|
| 1940-B |
Three Arrays
|
*special
constructive algorithms
implementation
+1
|
—
|
| 1940-A |
Parallel Universes
|
*special
constructive algorithms
dfs and similar
+2
|
—
|
| 1939-D |
Big Persimmon
|
*special
dp
games
|
—
|
| 1939-C |
More Gifts
|
*special
dfs and similar
two pointers
|
—
|
| 1939-B |
Evidence Board
|
*special
constructive algorithms
dfs and similar
+2
|
—
|
| 1939-A |
Draw Polygon Lines
|
*special
constructive algorithms
dp
+2
|
—
|
| 1938-M |
Zig-zag
|
|
3500
|
| 1938-L |
XOR Operations
|
|
2800
|
| 1938-K |
Tree Quiz
|
|
2400
|
| 1938-J |
There and Back Again
|
|
2100
|
| 1938-I |
Symmetric Boundary
|
|
2800
|
| 1938-H |
Pho Restaurant
|
|
1600
|
| 1938-G |
Personality Test
|
|
2300
|
| 1938-F |
Forming Groups
|
|
2400
|
| 1938-E |
Duplicates
|
|
2200
|
| 1938-D |
Bánh Bò
|
|
3300
|
| 1938-C |
Bit Counting Sequence
|
|
1900
|
| 1938-B |
Attraction Score
|
|
3000
|
| 1938-A |
Antiparticle Antiphysics
|
|
3500
|
| 1937-B |
Binary Path
|
dp
greedy
implementation
|
1300
|
| 1937-A |
Shuffle Party
|
implementation
math
|
800
|
| 1936-F |
Grand Finale: Circles
|
binary search
geometry
|
3300
|
| 1936-E |
Yet Yet Another Permutation Problem
|
divide and conquer
fft
math
|
3400
|
| 1936-D |
Bitwise Paradox
|
binary search
bitmasks
data structures
+2
|
3100
|
| 1936-C |
Pokémon Arena
|
data structures
graphs
greedy
+3
|
2400
|
| 1936-B |
Pinball
|
binary search
data structures
implementation
+2
|
2000
|
| 1936-A |
Bitwise Operation Wizard
|
bitmasks
constructive algorithms
greedy
+2
|
1700
|
| 1935-F |
Andrey's Tree
|
binary search
constructive algorithms
data structures
+5
|
2800
|
| 1935-E |
Distance Learning Courses in MAC
|
bitmasks
brute force
data structures
+2
|
2400
|
| 1935-D |
Exam in MAC
|
binary search
combinatorics
implementation
+1
|
1800
|
| 1935-C |
Messenger in MAC
|
binary search
brute force
constructive algorithms
+4
|
1800
|
| 1935-B |
Informatics in MAC
|
constructive algorithms
|
1200
|
| 1935-A |
Entertainment in MAC
|
constructive algorithms
strings
|
800
|
| 1934-E |
Weird LCM Operations
|
brute force
constructive algorithms
number theory
|
3000
|
| 1934-D2 |
XOR Break --- Game Version
|
bitmasks
games
greedy
+1
|
2400
|