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selection_sort.rs
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selection_sort.rs
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/// Selection Sort
///
/// Input: mutable reference of vector x of n elements
/// Post-condition: sorted vector of n elements
///
/// ================================================================================================
///
/// ```ignore
/// loop n elements in x setting index to i
/// set minimum_index = i
/// loop i + 1 elements in x setting index to j
/// if x[j] < x[minimum_index] then
/// minimum_index = j
/// swap minimum index in x with i in x
/// ```
pub fn sort(x: &mut Vec<isize>) {
let last_index = x.len();
for i in 0..last_index {
let mut minimum_index = i;
for j in (i + 1)..last_index {
if x[j] < x[minimum_index] {
minimum_index = j;
}
}
x.swap(minimum_index, i);
}
}