Here are the statements of the 2019 NAIPC Problem Set.
And, here is the data and judges’ reference solutions. There were three divisions, Invitational (Inv), and two Open (Opn USA/World). Also, the next day, the Russian Open Cup (Cup) series of contests used this problem set for their Grand Prix of America.
You can check out the results of the NAIPC and Open Cup contests.
| Problem |
Judge Data |
Programs |
A: Piece of Cake
|
Inv |
Opn |
Cup |
| Submissions: |
67 |
82/15 |
106 |
| Solutions: |
25 |
22/4 |
63 |
|
data |
submissions |
B: Busy Board
|
Inv |
Opn |
Cup |
| Submissions: |
50 |
59/16 |
66 |
| Solutions: |
12 |
3/1 |
22 |
|
data |
submissions |
C: Cost of Living
|
Inv |
Opn |
Cup |
| Submissions: |
21 |
18/0 |
36 |
| Solutions: |
2 |
2/0 |
6 |
|
data |
submissions |
D: It’s a Mod, Mod, Mod, Mod World
|
Inv |
Opn |
Cup |
| Submissions: |
53 |
194/48 |
99 |
| Solutions: |
12 |
4/0 |
42 |
|
data |
submissions |
E: Monotony
|
Inv |
Opn |
Cup |
| Submissions: |
8 |
11/1 |
91 |
| Solutions: |
3 |
4/1 |
43 |
|
data |
submissions |
F: Heaps of Fun
|
Inv |
Opn |
Cup |
| Submissions: |
15 |
3/0 |
46 |
| Solutions: |
6 |
2/0 |
28 |
|
data |
submissions |
G: Intersecting Rectangles
|
Inv |
Opn |
Cup |
| Submissions: |
81 |
216/27 |
123 |
| Solutions: |
30 |
43/6 |
76 |
|
data |
submissions |
H: Rocket Powered Hovercraft
|
Inv |
Opn |
Cup |
| Submissions: |
26 |
4/0 |
30 |
| Solutions: |
3 |
1/0 |
7 |
|
data |
submissions |
I: Cutting Strings
|
Inv |
Opn |
Cup |
| Submissions: |
5 |
27/0 |
103 |
| Solutions: |
1 |
2/0 |
26 |
|
data |
submissions |
J: Subsequences in Substrings
|
Inv |
Opn |
Cup |
| Submissions: |
74 |
184/29 |
93 |
| Solutions: |
37 |
51/8 |
77 |
|
data |
submissions |
K: Knight of the Tarot Cards
|
Inv |
Opn |
Cup |
| Submissions: |
11 |
29/0 |
62 |
| Solutions: |
1 |
2/0 |
10 |
|
data |
submissions |
L: Planes, Trains, but not Automobiles
|
Inv |
Opn |
Cup |
| Submissions: |
5 |
8/3 |
87 |
| Solutions: |
2 |
1/0 |
29 |
|
data |
submissions |
M: XOR Sequences
|
Inv |
Opn |
Cup |
| Submissions: |
53 |
35/5 |
119 |
| Solutions: |
16 |
7/2 |
54 |
|
data |
submissions |
