src/bin/bulb-switcher.rs

Author: bestgopher

src/bin/bulb-switcher.rs

@@ -0,0 +1,9 @@
+fn main() {}
+
+struct Solution;
+
+impl Solution {
+    pub fn bulb_switch(n: i32) -> i32 {
+        (n as f64).sqrt() as i32
+    }
+}