LintCode (9)Fizz Buzz

下面是AC代码，C++风格：

 class Solution {
 public:
     vector<string> fizzBuzz(int N) {
         vector<string> Answer;
         for(int i = ;i <= N;i++) {
             if(i %  == ) {
                 Answer.push_back("fizz buzz");
             } else if(i %  == ) {
                 Answer.push_back("fizz");
             } else if(i %  == ) {
                 Answer.push_back("buzz");
             } else{
                 Answer.push_back(to_string(i));
             }
         }
         return Answer;
     }
 };

此处很奇怪，为何将成员函数名fizzBuzz的首字母改成大写，编译返回不通过？

编译警告

Main.cpp: In function ‘int main()’:
Main.cpp:26:39: error: ‘class Solution’ has no member named ‘fizzBuzz’
vector results = solution.fizzBuzz(n);

^

EXITCODE=1