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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

npsc npsc-senior npsc-2018

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

4
0 0
3 0
0 3
1 1

Sample Output 1

-1
-1
-1
6.000000000000

Sample Input 2

3
0 0
1 1
2 2

Sample Output 2

-1
-1
-1

Hints

Problem Source

NPSC 2018 高中組決賽 pF

Subtasks

No. Testdata Range Constraints Score
1 0~1 範例測資 0
2 0~14 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 5000 1048576 1048576 1 2
1 5000 1048576 1048576 1 2
2 5000 1048576 1048576 2
3 5000 1048576 1048576 2
4 5000 1048576 1048576 2
5 5000 1048576 1048576 2
6 5000 1048576 1048576 2
7 5000 1048576 1048576 2
8 5000 1048576 1048576 2
9 5000 1048576 1048576 2
10 5000 1048576 1048576 2
11 5000 1048576 1048576 2
12 5000 1048576 1048576 2
13 5000 1048576 1048576 2
14 5000 1048576 1048576 2
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