#include <iostream>

using namespace std;

main()

{
 char a[] = "string";

 cout << a << endl;

 a[0] = 'd';

 cout << a << endl;

 char* sa = "litteral string";

 cout << sa << endl;

  sa++;
 
 cout << sa << endl;

//  sa[0] = 'd';   // Causes segmentation fault
}