how to parse for loop in cpp code example

Example 1: loop through array c++

for(int i = 0; i < 4; i++) {
  cout << cars[i] << "\n";
}

Example 2: for loop with array c++

int v[] = {1,2,3,4,5};
for (int n : v)
  cout << n << endl;
//make sure to compile with -std=c++11