From 0d1f3c5a4e62ee9d147c3a4f81d67bf4e243399d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=A1s=20A=2E=20Ortega=20Froysa?=
 <nicolas@ortegas.org>
Date: Mon, 17 Oct 2022 16:52:56 +0200
Subject: [PATCH] Add hanoi but in Rust.

---
 2/SAD/hanoi.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 2/SAD/hanoi.rs

diff --git a/2/SAD/hanoi.rs b/2/SAD/hanoi.rs
new file mode 100644
index 0000000..666b334
--- /dev/null
+++ b/2/SAD/hanoi.rs
@@ -0,0 +1,35 @@
+use std::env;
+
+fn print_hanoi(n:i32)
+{
+    if n == 2
+    {
+        println!("1");
+        println!("2");
+        println!("1");
+    }
+    else
+    {
+        print_hanoi(n-1);
+        println!("{}", n);
+        print_hanoi(n-1);
+    }
+}
+
+fn main()
+{
+    let args:Vec<String> = env::args().collect();
+    if args.len() != 2
+    {
+        println!("Need a number!");
+        std::process::exit(1);
+    }
+    let n:i32 = args[1].parse().unwrap();
+    if n < 2
+    {
+        println!("Need a number greater than 1!");
+        std::process::exit(1);
+    }
+
+    print_hanoi(n);
+}