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pub fn selection_sort<T: Ord>(mut a: Vec<T>) -> Vec<T> {
let n = a.len();
for i in 0..n - 1 {
let mut k = i;
for j in i + 1..n {
if a[j] < a[k] {
k = j;
}
}
a.swap(i, k);
}
a
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test() {
let cases = vec![
(vec![5, 2, 4, 6, 1, 3], vec![1, 2, 3, 4, 5, 6]),
(vec![1, 2, 3], vec![1, 2, 3]),
];
for (a, ans) in cases {
assert_eq!(selection_sort(a), ans);
}
}
}