Comment code and remove unnecessary code.

src/main.rs

@@ -26,6 +26,8 @@ extern crate rand;
 
 fn main() {
 	let size = 100;
+
+	// initialize the boxes with randomly assigned numbers
 	let mut boxes:Vec<u32> = Vec::with_capacity(size as usize);
 
 	{
@@ -39,6 +41,7 @@ fn main() {
 		}
 	}
 
+	// have prisoners find their number
 	let mut all_found = true;
 	for i in 0..size
 	{
@@ -54,10 +57,6 @@ fn main() {
 			else
 			{
 				next_box = boxes[next_box] as usize;
-				if next_box == i as usize
-				{
-					break;
-				}
 			}
 		}
 		if !found
@@ -66,6 +65,7 @@ fn main() {
 		}
 	}
 
+	// print result
 	if all_found
 	{
 		println!("All prisoners found their numbers!");