Sync LeetCode submission - Perfect Number (rust)

Author: JMoogs

problems/perfect_number/solution.rs

@@ -0,0 +1,16 @@
+impl Solution {
+    pub fn check_perfect_number(num: i32) -> bool {
+        num != 1 && get_divisors(num) == 2 * num
+    }
+}
+
+fn get_divisors(num: i32) -> i32 {
+    let mut acc = 0;
+    for i in 1..((num as f64).sqrt() + 1.0) as i32 {
+        if num % i == 0 {
+            acc += i;
+            acc += num / i;
+        }
+    }
+    acc
+}