455 . 凸包面積

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User's AC Ratio

90.9% (10/11)

Submission's AC Ratio

19.0% (12/63)

Tags

ytp ytp-senior ytp-2024

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

3
0 0
2 0
0 1

Sample Output 1

0.125

Sample Input 2

4
0 0
1 0
2 0
1 1

Sample Output 2

0.1875

Sample Input 3

10
44 8
35 12
-46 -27
16 -17
-13 0
-36 -10
-37 -13
-36 10
35 18
-23 -39

Sample Output 3

1485.140625

Hints

Problem Source

YTP 2024 高中組程式挑戰營 p14

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~22 無額外限制 20

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 524288 65536 1 2
1 1000 524288 65536 1 2
2 1000 524288 65536 1 2
3 1000 524288 65536 2
4 1000 524288 65536 2
5 1000 524288 65536 2
6 1000 524288 65536 2
7 1000 524288 65536 2
8 1000 524288 65536 2
9 1000 524288 65536 2
10 1000 524288 65536 2
11 1000 524288 65536 2
12 1000 524288 65536 2
13 1000 524288 65536 2
14 1000 524288 65536 2
15 1000 524288 65536 2
16 1000 524288 65536 2
17 1000 524288 65536 2
18 1000 524288 65536 2
19 1000 524288 65536 2
20 1000 524288 65536 2
21 1000 524288 65536 2
22 1000 524288 65536 2
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