ICPC 2024 vòng Quốc gia - E: Edge Elimination

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Points: 1.70
Time limit: 3.0s
Memory limit: 512M
Input: stdin
Output: stdout
Author:
admin
Problem type
Allowed languages
C, C++, Go, Java, Kotlin, Pascal, PyPy, Python, Rust, Scratch

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Sample Input 1

1
8 10
1 1
4 1
4 4
1 4
2 2
3 2
3 3
2 3
1 2
2 3
3 4
4 1
5 6
7 8
1 5
2 6
3 7
4 8

Sample Output 1

64

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