use crate::greatest_common_divisor_euclidean::gcd;
pub fn is_setwise_coprime(a: &[usize]) -> bool {
a.to_vec().into_iter().reduce(gcd).unwrap() == 1
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test() {
assert!(is_setwise_coprime(&[6, 10, 15]));
}
}