Fix panic example (#69)

* testing CI

* fix some panic examples

* another fix

---------

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

Author: lrvideckis

src/data_structures/binary_trie.rs

@@ -11,7 +11,9 @@ struct Node {
 /// use programming_team_code_rust::data_structures::binary_trie::BinaryTrie;
 ///
 /// let mut trie = BinaryTrie::default();
+/// assert!(std::panic::catch_unwind(|| trie.min_xor(4)).is_err());
 /// trie.update(1, 1);
+/// assert!(std::panic::catch_unwind(|| trie.min_xor(4)).is_ok());
 /// trie.update(2, 1);
 /// trie.update(3, 1);
 /// trie.update(2, -1);
@@ -75,14 +77,6 @@ impl BinaryTrie {
 
     /// Find the minimum xor of `num` and any number in the trie
     ///
-    /// # Panics
-    /// ```panic
-    /// use programming_team_code_rust::data_structures::binary_trie::BinaryTrie;
-    ///
-    /// let trie = BinaryTrie::default();
-    /// trie.min_xor(0);
-    /// ```
-    ///
     /// # Complexity
     /// - Time: O(log(max_num))
     /// - Space: O(1)

src/graphs/cuts.rs

@@ -18,17 +18,14 @@
 /// assert_eq!(num_bccs, 2);
 /// assert_eq!(is_cut, vec![false, true, false]);
 /// assert_eq!(bcc_id, vec![1, 1, 0, 1]);
-/// ```
 ///
-/// # Panics
-/// ```panic
-/// use programming_team_code_rust::graphs::cuts::get_cuts;
-/// let mut adj = vec![vec![]; 1];
+/// // self edges not allowed
+/// adj = vec![vec![]; 1];
 /// for (i, &(u, v)) in [(0,0)].iter().enumerate() {
 ///    adj[u].push((v, i));
 ///    adj[v].push((u, i));
 /// }
-/// let (_, _, _) = get_cuts(&adj, 1);
+/// assert!(std::panic::catch_unwind(|| get_cuts(&adj, 1)).is_err());
 /// ```
 ///
 /// # Complexity

src/strings/manacher.rs

@@ -15,12 +15,7 @@
 /// use programming_team_code_rust::strings::manacher::manacher;
 ///
 /// assert_eq!(manacher(&"baaba".chars().collect::<Vec<_>>()), vec![0, 1, 1, 0, 2, 3, 2, 4, 4]);
-/// ```
-///
-/// # Panics
-/// ```panic
-/// use programming_team_code_rust::strings::manacher::manacher;
-/// manacher(&"".chars().collect::<Vec<_>>());
+/// assert!(std::panic::catch_unwind(|| manacher::<usize>(&[])).is_err());
 /// ```
 ///
 /// # Complexity (n = s.len())