📌 C++ || Short Concise
c++\nbool isValidSerialization(string preorder) {\n    int degree = 1;\n    stringstream ss(preorder);\n    for (string temp; getline(ss, temp, \',\');) {\n    
```c++\nbool isValidSerialization(string preorder) {\n    int degree = 1;\n    stringstream ss(preorder);\n    for (string temp; getline(ss, temp, \',\');) {\n        degree--;\n        if (degree < 0) return false;\n        if (temp.back() != \'#\') degree += 2;\n    }\n    return !degree;\n}\n```
['C']