TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

Description

Input Format

Output Format

Sample Input 1

3 3
1 2
2 3
1 3

Sample Output 1

0

Sample Input 2

4 4
1 2
2 3
3 4
1 4

Sample Output 2

4

Hints

Problem Source

NPSC 2017 高中組決賽 pD

Subtasks

No. Testdata Range Constraints Score
1 0~1 範例測資 0
2 0~83 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 1048576 1048576 1 2
1 1000 1048576 1048576 1 2
2 1000 1048576 1048576 2
3 1000 1048576 1048576 2
4 1000 1048576 1048576 2
5 1000 1048576 1048576 2
6 1000 1048576 1048576 2
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83 1000 1048576 1048576 2