TopCoder

User's AC Ratio

100.0% (3/3)

Submission's AC Ratio

44.4% (4/9)

Tags

Description

Input Format

Output Format

Sample Input 1

1 1
7

Sample Output 1

7

Sample Input 2

3 1
1 2 3
1 2
1 3

Sample Output 2

4

Sample Input 3

7 2
8 2 3 5 4 6 7
1 2
1 3
2 4
2 5
3 6
3 7

Sample Output 3

25

Hints

Problem Source

YTP 2021 國中組程式挑戰營 p9

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~29 無額外限制 20

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 2000 262144 65536 1 2
1 2000 262144 65536 1 2
2 2000 262144 65536 1 2
3 2000 262144 65536 2
4 2000 262144 65536 2
5 2000 262144 65536 2
6 2000 262144 65536 2
7 2000 262144 65536 2
8 2000 262144 65536 2
9 2000 262144 65536 2
10 2000 262144 65536 2
11 2000 262144 65536 2
12 2000 262144 65536 2
13 2000 262144 65536 2
14 2000 262144 65536 2
15 2000 262144 65536 2
16 2000 262144 65536 2
17 2000 262144 65536 2
18 2000 262144 65536 2
19 2000 262144 65536 2
20 2000 262144 65536 2
21 2000 262144 65536 2
22 2000 262144 65536 2
23 2000 262144 65536 2
24 2000 262144 65536 2
25 2000 262144 65536 2
26 2000 262144 65536 2
27 2000 262144 65536 2
28 2000 262144 65536 2
29 2000 262144 65536 2