.

Author: MaskRay

string-without-aaa-or-bbb.rs

@@ -0,0 +1,17 @@
+// String Without AAA or BBB
+impl Solution {
+    pub fn str_without3a3b(mut a: i32, mut b: i32) -> String {
+        use std::mem::swap;
+        let mut ans = vec![];
+        let mut A = b'a';
+        let mut B = b'b';
+        if a < b { swap(&mut a, &mut b); swap(&mut A, &mut B); }
+        while a > 0 {
+            ans.push(A);
+            if a-1 <= b { a -= 1; }
+            else { ans.push(A); a -= 2; }
+            if b > 0 { ans.push(B); b -= 1; }
+        }
+        String::from_utf8_lossy(&ans).into_owned()
+    }
+}