15 lines
231 B
Text
15 lines
231 B
Text
// works for Rust 0.9
|
|
fn main() {
|
|
let a: int = ack(3, 4); // 125
|
|
println!("{}", a.to_str());
|
|
}
|
|
|
|
fn ack(m: int, n: int) -> int {
|
|
if m == 0 {
|
|
n + 1
|
|
} else if n == 0 {
|
|
ack(m - 1, 1)
|
|
} else {
|
|
ack(m - 1, ack(m, n - 1))
|
|
}
|
|
}
|