Help with Switch..

elmoro15 (22)

when i want to add case 3 to the switch it give an error ?!?
and i can't figure it out...
it says: transfer of control by passes initialization of:
the code for case 3 is

1
2
 
case 3:
break;





This is the program down there


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#include<iostream>
#include<fstream>
#include<string>
using namespace std;
int main()
{
	
cout<<"1.Triangle"<<endl;
cout<<"2.mark"<<endl;
cout<<"3.exist"<<endl;
int choice;
cout<<"enter your choice"<<endl;
cin>>choice;
while(choice!=3) {
switch(choice)
{
	case 1:
		int a,b,c;
		cout<<"enter length"<<endl;
		cin>>a>>b>>c;
		if(a==b && a==c && c==b)
			cout<<"its quilateral"<<endl;
		else
			if(a==b || a==c || c==b)
				cout<<"its isocelces"<<endl;
			else
				cout<<"its scaelene"<<endl;
		break;
	case 2:
		int m1,m2,m3,m4;
		double sum=0; int i=1;
		double avg; string result;

		ifstream infile;
		infile.open("output.txt");
		if(!infile)
		{
			cout<<"not exist"<<endl;
			return 1;
		}

		infile>>m1>>m2>>m3>>m4;
		cout<<"      Calculus"<<"       Physics"<<"      English"<<"    Arabic"<<"    Sum"<<"    Avg"<<"    Result"<<endl;
		cout<<"         -------------------------------------------------------"<<endl;
		while(infile)
		{

         sum=sum+m1+m2+m3+m4;
		 avg=sum/4.0;
		 if(avg>=60)
			 result="Pass";
		 else
			 result="Fail";

		 cout<<"Student#"<<i<<" \t"<<m1<<" \t"<<m2<<" \t"<<m3<<" \t"<<m4<<" \t"<<sum<<" \t"<<avg<<" \t"<<result<<endl;
		 i++;
		 sum=0;
		 infile>>m1>>m2>>m3>>m4;
		}
		infile.close();
		break;
}

cout<<"enter your choice"<<endl;
cin>>choice;
}

return 0;
}
Aceix (1118)
Ok that is because you are initializing some variables in case 2. Try doing this or at least declaring all the variables before the switch block.

Aceix.
elmoro15 (22)
Thanks Man.
i appreciate that.
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