feat(rust): add are the same kata

rust/tests/3_are_they_same.rs

@@ -0,0 +1,51 @@
+fn comp(a: Vec<i64>, b: Vec<i64>) -> bool {
+    let mut a = a.into_iter().map(|x| x * x).collect::<Vec<_>>();
+    let mut b = b;
+    a.sort();
+    b.sort();
+    a == b
+}
+
+fn testing(a: Vec<i64>, b: Vec<i64>, exp: bool) -> () {
+    assert_eq!(comp(a, b), exp)
+}
+
+#[test]
+fn tests_comp() {
+    let a1 = vec![121, 144, 19, 161, 19, 144, 19, 11];
+    let a2 = vec![
+        11 * 11,
+        121 * 121,
+        144 * 144,
+        19 * 19,
+        161 * 161,
+        19 * 19,
+        144 * 144,
+        19 * 19,
+    ];
+    testing(a1, a2, true);
+    let a1 = vec![121, 144, 19, 161, 19, 144, 19, 11];
+    let a2 = vec![
+        11 * 21,
+        121 * 121,
+        144 * 144,
+        19 * 19,
+        161 * 161,
+        19 * 19,
+        144 * 144,
+        19 * 19,
+    ];
+    testing(a1, a2, false);
+    let a1 = vec![121, 144, 19, 161, -19, 144, 19, -11];
+    let a2 = vec![
+        11 * 11,
+        121 * 121,
+        144 * 144,
+        19 * 19,
+        161 * 161,
+        19 * 19,
+        144 * 144,
+        19 * 19,
+    ];
+    testing(a1, a2, true);
+}