hack to get code cov to pass (#95)

Co-authored-by: Luke Videckis <lukevideckis@gmail.com>

Author: lrvideckis

examples/helpers/lis_aizu.rs

@@ -11,9 +11,16 @@ fn main() {
 
     let mut lis = Lis::default();
 
-    for elem in a {
+    assert_eq!(lis.get_lis(), vec![]);
+
+    for &elem in &a {
         lis.push(elem);
     }
 
-    println!("{}", lis.dp.len());
+    let idxs = lis.get_lis();
+    for i in 1..idxs.len() {
+        assert!(a[idxs[i - 1]] < a[idxs[i]]);
+    }
+
+    println!("{}", idxs.len());
 }

examples/helpers/lis_yosupo.rs

@@ -11,6 +11,8 @@ fn main() {
 
     let mut lis = Lis::default();
 
+    assert_eq!(lis.get_lis(), vec![]);
+
     for &elem in &a {
         lis.push(elem);
     }