Use while-loop to avoid unnecessary break.

src/main.rs

@@ -93,17 +93,16 @@ fn main()
 		};
 		// the next (first) box the prisoner is to open is the one with his number (`i`)
 		let mut next_box:usize = i as usize;
-		// for every attempt the prisoner has (i.e. `size/2`)
+		// while the prisoner still has attempts left AND he hasn't found his number
-		for _j in 0..(size/2)
+		while prisoner_i.attempts < size/2 && !prisoner_i.found
 		{
+			// count attempt
 			prisoner_i.attempts += 1;
 			// if the number inside the box is his number
 			if boxes[next_box] == i
 			{
 				// assign `found` to true
 				prisoner_i.found = true;
-				// stop looking through more boxes.
-				break;
 			}
 			else
 			{