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const CARS_PER_HR: f64 = 221.0;
fn success_rate(speed: u8) -> f64 {
match speed {
1..=4 => 1.0,
5..=8 => 0.9,
9|10 => 0.77,
_ => 0.0,
}
}
pub fn production_rate_per_hour(speed: u8) -> f64 {
(speed as f64) * CARS_PER_HR * success_rate(speed)
}
pub fn working_items_per_minute(speed: u8) -> u32 {
(production_rate_per_hour(speed) / 60.0).floor() as u32
}
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