Locomotive Lane Logistics

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Points: 0.80
Time limit: 1.0s
Memory limit: 512M

Problem type
Allowed languages
C, C++, Go, Java, Kotlin, Pascal, PyPy, Python, Rust, Scratch

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Sample Input 1

20 4
+ 2 2
+ 3 3
+ 5 2
- 2 2

Sample Output 1

11
12
499122191
499122190

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