1719 測資加強 已 rejudge

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TopCoder

niter

$\mathbf{Random~is~magic.}$

User's AC Ratio

53.3% (8/15)

Submission's AC Ratio

11.1% (36/324)

Tags

NPSC 2021-NPSC

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

3 1
1 < 2

Sample Output 1

33.3333333333

Sample Input 2

7 6
2 > 1
2 < 3
3 < 4
1 > 5
4 < 6
7 > 1

Sample Output 2

20.0000000000

Sample Input 3

3 3
1 < 2
2 < 3
3 < 1

Sample Output 3

-1.0

Sample Input 4

5 0

Sample Output 4

0.0

Hints

Problem Source

2021 網際網路程式設計全國大賽高中組網路賽
測資來源：NPSC 官網

Subtasks

No.	Testdata Range	Constraints	Score
1	0~3	範例測資。	0
2	0~41	無額外限制。	0

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	3000	1048576	65536	1 2
1	3000	1048576	65536	1 2
2	3000	1048576	65536	1 2
3	3000	1048576	65536	1 2
4	3000	1048576	65536	2
5	3000	1048576	65536	2
6	3000	1048576	65536	2
7	3000	1048576	65536	2
8	3000	1048576	65536	2
9	3000	1048576	65536	2
10	3000	1048576	65536	2
11	3000	1048576	65536	2
12	3000	1048576	65536	2
13	3000	1048576	65536	2
14	3000	1048576	65536	2
15	3000	1048576	65536	2
16	3000	1048576	65536	2
17	3000	1048576	65536	2
18	3000	1048576	65536	2
19	3000	1048576	65536	2
20	3000	1048576	65536	2
21	3000	1048576	65536	2
22	3000	1048576	65536	2
23	3000	1048576	65536	2
24	3000	1048576	65536	2
25	3000	1048576	65536	2
26	3000	1048576	65536	2
27	3000	1048576	65536	2
28	3000	1048576	65536	2
29	3000	1048576	65536	2
30	3000	1048576	65536	2
31	3000	1048576	65536	2
32	3000	1048576	65536	2
33	3000	1048576	65536	2
34	3000	1048576	65536	2
35	3000	1048576	65536	2
36	3000	1048576	65536	2
37	3000	1048576	65536	2
38	3000	1048576	65536	2
39	3000	1048576	65536	2
40	3000	1048576	65536	2
41	3000	1048576	65536	2

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