TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

Description

Input Format

Output Format

Sample Input 1

4
3 3 0 0 2 2
...
...
...
3 3 0 0 2 2
...
.#.
...
3 4 0 0 1 3
....
.##.
....
2 2 0 0 1 1
.#
#.

Sample Output 1

2.828427125
3.162277660
3.256616538
Impossible

Hints

Info: 本題輸出為浮點數,絕對或相對誤差 1e-6 以下視為正確

Problem Source

Migrated from old NTUJ.

tmt+ferng+dreamoon

Subtasks

No. Testdata Range Score

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 5000 65536 200