後ろから順番に定まっているのが分かります。
fn main() { let mut data = [6, 15, 4, 2, 8, 5, 11, 9, 7, 13]; for i in 0..data.len() { for j in 0..(data.len() - i - 1) { if data[j] > data[j + 1] { data.swap(j, (j + 1)); } println!("sorted data:{:?}", data); } } println!("sorted data:{:?}", data); }
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
Running `target/debug/rust`
sorted data:[6, 15, 4, 2, 8, 5, 11, 9, 7, 13]
sorted data:[6, 4, 15, 2, 8, 5, 11, 9, 7, 13]
sorted data:[6, 4, 2, 15, 8, 5, 11, 9, 7, 13]
sorted data:[6, 4, 2, 8, 15, 5, 11, 9, 7, 13]
sorted data:[6, 4, 2, 8, 5, 15, 11, 9, 7, 13]
sorted data:[6, 4, 2, 8, 5, 11, 15, 9, 7, 13]
sorted data:[6, 4, 2, 8, 5, 11, 9, 15, 7, 13]
sorted data:[6, 4, 2, 8, 5, 11, 9, 7, 15, 13]
sorted data:[6, 4, 2, 8, 5, 11, 9, 7, 13, 15]
sorted data:[4, 6, 2, 8, 5, 11, 9, 7, 13, 15]
sorted data:[4, 2, 6, 8, 5, 11, 9, 7, 13, 15]
sorted data:[4, 2, 6, 8, 5, 11, 9, 7, 13, 15]
sorted data:[4, 2, 6, 5, 8, 11, 9, 7, 13, 15]
sorted data:[4, 2, 6, 5, 8, 11, 9, 7, 13, 15]
sorted data:[4, 2, 6, 5, 8, 9, 11, 7, 13, 15]
sorted data:[4, 2, 6, 5, 8, 9, 7, 11, 13, 15]
sorted data:[4, 2, 6, 5, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 6, 5, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 6, 5, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 9, 7, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 8, 7, 9, 11, 13, 15]
sorted data:[2, 4, 5, 6, 7, 8, 9, 11, 13, 15]
fn main() { let mut data = [6, 15, 4, 2, 8, 5, 11, 9, 7, 13]; let mut change = true; for i in 0..data.len() { if (change != true) { break; } change = false; for j in 0..(data.len() - i - 1) { if data[j] > data[j + 1] { data.swap(j, (j + 1)); } println!("sorted data:{:?}", data); change = true; } } println!("sorted data:{:?}", data); }