i am getting an error of multicharacter constant for the line SENTINEL='-1' .i am not able to understand why.can anyone please help me out of this.iam tryig to run this program in codeblocks.
using namespace std;
const string SENTINEL;
cout<<"Enter the name of the volunteers and the no of boxes sold by them ending with -1"<<endl;
cout<<"The total no of box sold:"<<totalnofboxsold<<endl;
cout<<"Enter the cost of the box:"<<endl;
cout<<"The total money made by selling the cookies"<<totalnofboxsold*costofbox<<endl;
cout<<"The average no of boxes sold by each volunteers is: "<<totalnofboxsold/noofvolunteers<<endl;