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#include "C9.h"
double average(int i,double j)
{
cout<<"int double:";
return (i+j)/2;
}
int main()
{
double x;
int i;
cout<<"Enter value:";
while(!(std::cin>>x>>i))
{
cout<<"Bad input.Please enter a number:";
cin.clear();
while(cin.get()!='\n')
continue;
}
cout<<"average(int,double):"<<average(i,i)<<endl;
return 0;
}