ICPC 2019 vòng Regional - F: Fair Bandwidth Sharing

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Points: 1.50
Time limit: 1.0s
Memory limit: 512M
Input: stdin
Output: stdout
Problem source:
ICPC 2019 vòng Regional
Problem type
Allowed languages
C, C++, Go, Java, Kotlin, Pascal, PyPy, Python, Rust, Scratch

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Sample Input 1

3 10
0 10 1
0 10 1
0 10 1

Sample Output 1

3.33333333
3.33333333
3.33333333

Sample Input 2

3 10
0 1 1000
2 8 2
2 8 1

Sample Output 2

1.00000000
6.00000000
3.00000000

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