Here are the statements of the 2017 NAIPC Problems.
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 |
Solutions |
A: Pieces of Parentheses
|
Inv |
Opn |
Cup |
| Submissions: |
184 |
284/90 |
242 |
| Solutions: |
28 |
39/22 |
84 |
|
|
|
B: Stars in a Can
|
Inv |
Opn |
Cup |
| Submissions: |
19 |
21/10 |
65 |
| Solutions: |
7 |
6/1 |
11 |
|
|
|
C: Stretching Streamers
|
Inv |
Opn |
Cup |
| Submissions: |
47 |
47/27 |
147 |
| Solutions: |
19 |
23/12 |
68 |
|
|
|
D: Heaps from Trees
|
Inv |
Opn |
Cup |
| Submissions: |
20 |
21/14 |
99 |
| Solutions: |
4 |
3/2 |
40 |
|
|
|
E: Blazing New Trails
|
Inv |
Opn |
Cup |
| Submissions: |
37 |
68/30 |
158 |
| Solutions: |
3 |
4/1 |
25 |
|
|
|
F: Incremental Double Free Strings
|
Inv |
Opn |
Cup |
| Submissions: |
4 |
8/4 |
9 |
| Solutions: |
1 |
1/1 |
6 |
|
|
|
G: Apple Market
|
Inv |
Opn |
Cup |
| Submissions: |
18 |
73/22 |
104 |
| Solutions: |
3 |
4/4 |
39 |
|
|
|
H: Maximum Color Clique
|
Inv |
Opn |
Cup |
| Submissions: |
5 |
20/6 |
41 |
| Solutions: |
3 |
5/1 |
30 |
|
|
|
I: Ski Resort
|
Inv |
Opn |
Cup |
| Submissions: |
2 |
0/0 |
4 |
| Solutions: |
0 |
0/0 |
1 |
|
|
|
J: Stones of Yin and Yang
|
Inv |
Opn |
Cup |
| Submissions: |
50 |
160/45 |
101 |
| Solutions: |
46 |
105/40 |
90 |
|
|
|
K: Unbalanced Parentheses
|
Inv |
Opn |
Cup |
| Submissions: |
3 |
0/0 |
55 |
| Solutions: |
2 |
0/0 |
17 |
|
|
|
