Several bug fixes.

2025-07-06 14:27:26 +08:00 · 2023-10-04 02:30:31 +08:00
parent 0e3d2ce4bb
commit 4355f8d49f
7 changed files with 8 additions and 9 deletions
--- a/codes/cpp/chapter_hashing/hash_map_chaining.cpp
+++ b/codes/cpp/chapter_hashing/hash_map_chaining.cpp
@ -50,8 +50,8 @@ class HashMapChaining {
                return pair->val;
            }
        }
-        // 若未找到 key 则返回 nullptr
-        return nullptr;
+        // 若未找到 key 则返回空字符串
+        return "";
    }

    /* 添加操作 */