Initial commitHEADmain

1 files changed, 21 insertions, 0 deletions

diff --git a/reverse-string-ii/src/main.rs b/reverse-string-ii/src/main.rs
new file mode 100644
index 0000000..883f24f
--- /dev/null
+++ b/reverse-string-ii/src/main.rs
@@ -0,0 +1,21 @@
+fn main() {
+    println!("Hello, world!");
+    let tests = [
+        ("abcdefg", 2, "bacdfeg"),
+        ("abcd", 2, "bacd")
+    ];
+
+    for test in tests {
+        println!("{:?} {} is {:?} should be {:?}", test.0, test.1,
+                 Solution::reverse_str(test.0.to_string(), test.1), test.2);
+    }
+}
+
+struct Solution;
+
+impl Solution {
+    pub fn reverse_str(mut s: String, k: i32) -> String {
+        unsafe { s.as_bytes_mut() }.chunks_mut(k as usize).step_by(2).for_each(|x| x.reverse());
+        s
+    }
+}