c++在线请教，为什么会出现这个问题？？求解答！

Question

c++在线请教，为什么会出现这个问题？？求解答！

#include<iostream>
#include<string>
using namespace std;

class Person
{
public:
    Person(string nam, char s, int a)
    {
        name = nam; sex = s; age = a;
    }
protected:
    string name;
    char sex;
    int age;
};
class teacher :virtual Person
{
public:
    teacher(string nam,char s,int a,string t):Person(nam,s,a)
    {
        title = t;
    }
protected:
    string title;
};
class student :virtual public Person
{
public:
    student(string nam, char s, int a, float sco) :Person(nam, s, a)
    {
        score = sco;
    }
protected:
    float score;
};
class graduate :public teacher, public student
{
public:
    graduate(string nam, char s, int a, string t, float sco, float w) :Person(nam, s, a), teacher(nam, s, a, t), student(nam, s, a, sco)
    {
        wage = w;
    }
    void show()
    {
        cout << "name:" << name << endl;
        cout << "sex:" << sex << endl;
        cout << "age:" << age << endl;
        cout << "title:" << title << endl;
        cout << "score:" << score << endl;
        cout << "wage:" << wage << endl;
    }
private:
    float wage;
};
int main()
{
    graduate grad1("WANG_LI","f", 24, "assistant", 89.5, 1200);
    grad1.show();
    return 0;
}

Answer 1

你的 第二个参数是 char 类型，改成如下：

graduate grad1("WANG_LI",'f', 24, "assistant", 89.5, 1200);