What is wrong in my answer

#1

#include
using namespace std;

int main(){

char op;
int num1,num2;

cout<<"Select an operation ; Eg +, -, *, / "<<endl;
cin>>op;

cout<<"Enter the number "<<endl;
cin>>num1>>num2;

switch(op){
	case '+' : cout<<"Ans is "<<num1+num2<<endl;
				break;
	case '-' : cout<<"Ans is "<<num1-num2<<endl;
				break;
	case '*' : cout<<"Ans is "<<num1*num2<<endl;
				break;
	case '/' : cout<<"Ans is "<<num1/num2<<endl;
				break;
	default : cout<<"Input operation is incorrect "<<endl;
				break;
}

return 0;

}

#2

You are printing unnecessary lines . Also you need to keep taking input in a loop.
Please see this code https://ide.codingblocks.com/s/322036

#3

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