solved: 476. Number Complement

Signed-off-by: rajput-hemant <[email protected]>

Author: rajput-hemant

src/0401-0500/476 - Number Complement/num_complement.rs

@@ -0,0 +1,15 @@
+impl Solution {
+    pub fn find_complement(num: i32) -> i32 {
+        let mut res = String::new();
+
+        for ch in format!("{:b}", num).chars() {
+            if ch == '0' {
+                res += "1";
+            } else {
+                res += "0";
+            }
+        }
+
+        i32::from_str_radix(&res, 2).unwrap()
+    }
+}