#include <iostream>

using namespace std;

int main() 
{

  // good
  char bla[10] = "Hello"; // {'H','e',...'o','\0'}

  // good
  char blup[] = "Good Morning!"; // {'G',...'!','\0'}

  // bad
  char blabla[] = {'T','e','s','t'};

  // good
  char blablup[20] = {'T','e','s','t'};

  cout << bla << endl;
  cout << blup << endl;
  cout << blabla << endl;
  cout << blablup << endl;

  return 0;
}