what about u8s?

src/day14.rs

@@ -94,9 +94,10 @@ pub fn part2(input: &str) -> i32 {
     for seconds in 0..WIDTH as u16 {
         let mut x_sum = 0;
         for i in 0..500 {
-            let px = pxs[i] as u16;
-            let vx = vxs[i] as u16;
-            x_sum += ((px + (vx * seconds)) % WIDTH as u16).abs_diff(WIDTH as u16 / 2);
+            let px = pxs[i];
+            let vx = vxs[i];
+            pxs[i] = (px + vx) % WIDTH as u8;
+            x_sum += px.abs_diff(WIDTH as u8 / 2) as u16;
         }
         if x_sum < x_min_value {
             x_min_value = x_sum;
@@ -110,9 +111,10 @@ pub fn part2(input: &str) -> i32 {
     for seconds in 0..HEIGHT as u16 {
         let mut y_sum = 0;
         for i in 0..500 {
-            let py = pys[i] as u16;
-            let vy = vys[i] as u16;
-            y_sum += ((py + (vy * seconds)) % HEIGHT as u16).abs_diff(HEIGHT as u16 / 2);
+            let py = pys[i];
+            let vy = vys[i];
+            pys[i] = (py + vy) % HEIGHT as u8;
+            y_sum += py.abs_diff(HEIGHT as u8 / 2) as u16;
         }
         if y_sum < y_min_value {
             y_min_value = y_sum;