程序对了~ 但是需要加一项

[sunsold]

程序可以运行 但是我需要在这个程序的基础上增加一个 算总分的功能
每个问题有不同的分数 可以选择回答 然后回答完了 我想把他们都加起来 看一共得了多少分 这个功能怎么加进去?

#include <iostream>
#include <string>

using namespace std;

class trivia
{
public:
void question1();
void question2();
void question3();
void question4();
void question5();
int i;
};
void main()
{
trivia a;
int c;
string strinfo;
string ans;
do{
cout<<"输入你想回答问题的号码1-5"<<endl;
cout<<"the 1 is 2point, 2 is 3point ,3 is 5point, 4 is point,5 is 10point"<<endl;
cin>>c;
switch(c)
{
case 1:
{
cout<<"问题是"<<endl;
cout<<"Second largest city in Korea?"<<endl;
a.question1();
break;
}
case 2:
{
cout<<"问题是"<<endl;
cout<<"Fourth planet from the Sun?"<<endl;
a.question2();
break;
}
case 3:
{
cout<<"问题是"<<endl;
cout<<"National younger sister in Korea?"<<endl;
a.question3();
break;
}
case 4:
{
cout<<"问题是"<<endl;
cout<<"2002 FIFA World Cup winner?"<<endl;
a.question4();
break;
}
case 5:
{
cout<<"问题是"<<endl;
cout<<"Professor Yoo’s favorite actress?"<<endl;
a.question5();
break;
}
}
cout<<"你还想继续回答问题吗? y or n"<<endl;
cin>>ans;
}while(ans=="y");

}
void trivia::question1()
{
string string1;
cout<<"input your answer:"<<endl;
cin>>string1;
if(string1=="pusan")
cout<<"you are right,you can get 2 point"<<endl;
else
cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question2()
{
string string2;
cin>>string2;
if(string2=="mars")
cout<<"you are right,you can get 3 point"<<endl;
else
cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question3()
{
string string3;
cin>>string3;
if(string3=="yunakim")
cout<<"you are right,you can get 5 point"<<endl;
else
cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question4()
{
string string4;
cin>>string4;
if(string4=="brazil")
cout<<"you are right,you can get 7 point"<<endl;
else
cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question5()
{
string string5;
cin>>string5;
if(string5=="drew")
cout<<"you are right,you can get 10 point"<<endl;
else
cout<<"you are wrong,the right answer is pusan"<<endl;
}

[sunsold]

#include  <iostream>  
#include  <string>  

using  namespace  std;  

class trivia 
{ 
public: 
void question1(); 
void question2(); 
void question3(); 
void question4(); 
void question5(); 
int i; 
}; 
void main() 
{ 
trivia a; 
int c; 
string strinfo; 
string ans; 
do{ 
cout < <"输入你想回答问题的号码1-5" < <endl; 
cout < <"the 1 is 2point, 2 is 3point ,3 is 5point, 4 is point,5 is 10point" < <endl; 
cin>>c; 
switch(c) 
{ 
case 1: 
{  
cout < <"问题是" < <endl; 
cout < <"Second largest city in Korea?" < <endl; 
a.question1(); 
break; 
} 
case 2: 
{  
cout < <"问题是" < <endl; 
cout < <"Fourth planet from the Sun?" < <endl; 
a.question2(); 
break; 
} 
case 3: 
{  
cout < <"问题是" < <endl; 
cout < <"National younger sister in Korea?" < <endl; 
a.question3(); 
break; 
} 
case 4: 
{  
cout < <"问题是" < <endl; 
cout < <"2002 FIFA World Cup winner?" < <endl; 
a.question4(); 
break; 
} 
case 5: 
{  
cout < <"问题是" < <endl; 
cout < <"Professor Yoo’s favorite actress?" < <endl; 
a.question5(); 
break; 
} 
} 
cout < <"你还想继续回答问题吗? y or n" < <endl; 
cin>>ans; 
}while(ans=="y"); 

} 
void trivia::question1() 
{ 
string string1; 
    cout < <"input your answer:" < <endl; 
cin>>string1; 
if(string1=="pusan") 
cout < <"you are right,you can get 2 point" < <endl; 
else 
cout < <"you are wrong,the right answer is pusan" < <endl; 
} 
void trivia::question2() 
{ 
string string2; 
cin>>string2; 
if(string2=="mars") 
cout < <"you are right,you can get 3 point" < <endl; 
else 
cout < <"you are wrong,the right answer is pusan" < <endl; 
} 
void trivia::question3() 
{ 
string string3; 
cin>>string3; 
if(string3=="yunakim") 
cout < <"you are right,you can get 5 point" < <endl; 
else 
cout < <"you are wrong,the right answer is pusan" < <endl; 
} 
void trivia::question4() 
{ 
string string4; 
cin>>string4; 
if(string4=="brazil") 
cout < <"you are right,you can get 7 point" < <endl; 
else 
cout < <"you are wrong,the right answer is pusan" < <endl; 
} 
void trivia::question5() 
{ 
string string5; 
cin>>string5; 
if(string5=="drew") 
cout < <"you are right,you can get 10 point" < <endl; 
else 
cout < <"you are wrong,the right answer is pusan" < <endl; 
} 

[sunsold]

#include   <iostream>   
#include   <string>   

using   namespace   std;   

class trivia
{
public:
	void question1();
	void question2();
	void question3();
	void question4();
	void question5();
	int i;
};
void main()
{
	trivia a;
	int c;
	string strinfo;
	string ans;
	do{
	cout<<"输入你想回答问题的号码1-5"<<endl;
	cout<<"the 1 is 2point, 2 is 3point ,3 is 5point, 4 is point,5 is 10point"<<endl;
	cin>>c;
	switch(c)
	{
	case 1:
		{  
			cout<<"问题是"<<endl;
			cout<<"Second largest city in Korea?"<<endl;
			a.question1();
			break;
		}
	case 2:
			{  
			cout<<"问题是"<<endl;
			cout<<"Fourth planet from the Sun?"<<endl;
			a.question2();
			break;
			}
	case 3:
			{  
			cout<<"问题是"<<endl;
			cout<<"National younger sister in Korea?"<<endl;
			a.question3();
		 	break;
			}
	case 4:
			{  
			cout<<"问题是"<<endl;
			cout<<"2002 FIFA World Cup winner?"<<endl;
			a.question4();
			break;
			}
	case 5:
			{  
			cout<<"问题是"<<endl;
			cout<<"Professor Yoo’s favorite actress?"<<endl;
			a.question5();
			break;
			}
	}
	cout<<"你还想继续回答问题吗? y or n"<<endl;
	cin>>ans;
	}while(ans=="y");
	
}
void trivia::question1()
{
	string string1;
    cout<<"input your answer:"<<endl;
	cin>>string1;
	if(string1=="pusan")
		cout<<"you are right,you can get 2 point"<<endl;
	else
		cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question2()
{
	string string2;
	cin>>string2;
	if(string2=="mars")
		cout<<"you are right,you can get 3 point"<<endl;
	else
		cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question3()
{
	string string3;
	cin>>string3;
	if(string3=="yunakim")
		cout<<"you are right,you can get 5 point"<<endl;
	else
		cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question4()
{
	string string4;
	cin>>string4;
	if(string4=="brazil")
		cout<<"you are right,you can get 7 point"<<endl;
	else
		cout<<"you are wrong,the right answer is pusan"<<endl;
}
void trivia::question5()
{
	string string5;
	cin>>string5;
	if(string5=="drew")
		cout<<"you are right,you can get 10 point"<<endl;
	else
		cout<<"you are wrong,the right answer is pusan"<<endl;
}