View Code of Problem 1

#include <iostream>
using namespace std;

int main()
{
    cin >> a;
    cin >> b;
    cout << a+b << endl;
}
/*
Main.cc: In function 'int main()':
Main.cc:6:12: error: 'a' was not declared in this scope
     cin >> a;
            ^
Main.cc:7:12: error: 'b' was not declared in this scope
     cin >> b;
            ^
*/