Update src/math/karatsuba_multiplication.rs

dxdw233 · vil02 · web-flow · commit 8d6956dff74d · 2025-05-22T21:48:39.000+08:00
Co-authored-by: Piotr Idzik &lt;65706193+vil02@users.noreply.github.com&gt;
diff --git a/src/math/karatsuba_multiplication.rs b/src/math/karatsuba_multiplication.rs
@@ -36,9 +36,7 @@ fn _multiply(num1: i128, num2: i128) -> i128 {
 
 fn normalize(mut a: String, n: usize) -> String {
     let padding = n.saturating_sub(a.len());
-    if padding > 0 {
-        a.insert_str(0, &"0".repeat(padding));
-    }
+    a.insert_str(0, &"0".repeat(padding));
     a
 }
 #[cfg(test)]

Original file line number	Diff line number	Diff line change
`@@ -36,9 +36,7 @@ fn _multiply(num1: i128, num2: i128) -> i128 {`
`36`	`36`
`37`	`37`	`fn normalize(mut a: String, n: usize) -> String {`
`38`	`38`	`let padding = n.saturating_sub(a.len());`
`39`		`- if padding > 0 {`
`40`		`- a.insert_str(0, &"0".repeat(padding));`
`41`		`- }`
	`39`	`+ a.insert_str(0, &"0".repeat(padding));`
`42`	`40`	`a`
`43`	`41`	`}`
`44`	`42`	`#[cfg(test)]`