src/bin/bulb-switcher.rs

bestgopher · bestgopher · commit dbf0d640feab · 2021-07-21T21:28:37.000+08:00
diff --git a/src/bin/bulb-switcher.rs b/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
+    }
+}
