Remove leftover type conversion

1 files changed, 1 insertions, 1 deletions

diff --git a/01/src/part-2.rs b/01/src/part-2.rs
index c9ea298..66532ef 100644
--- a/01/src/part-2.rs
+++ b/01/src/part-2.rs
@@ -11,7 +11,7 @@ pub fn main() {
 
     for (i, line) in handle.lines().enumerate() {
         let depth: u64 = line.unwrap().parse().unwrap();
-        let j: usize = ((i+1) % 4) as usize; // Currently inactive window.
+        let j = (i+1) % 4; // Currently inactive window.
         for k in 0..j { depths[k] += depth; }
         for k in (j+1)..min(i+1, 4) { depths[k] += depth; } // min(i+1, 4) to special-case the first 4 lines.
         if depths[(j+1) % 4] > depths[j] { count += 1; }