Question

Does anyone see any syntax error on the following line?

int a6[3][2]={{0,0},{0,0},{0,0}};
for (int c=0 ; c<3 ; for(int c2=0 ; c2<2 ; cout<<a6[c++][c2++])) ;

It gives the following syntax error:

error C2143: syntax error: missing ')' before 'for'
error C2059: syntax error: ')'

Answer 1

The for command is not an expression that you can use for the post-increment part of another for. Put it outside the control statements of the loop.

The code gets more readable if you keep with the common convention on how to write a loop, i.e. the code controlling the loop inside the for statement and the work to be done after it:

for (int c = 0; c < 3; c++) {
  for(int c2 = 0; c2 < 2; c2++) {
    cout << a6[c][c2];
  }
}

This also fixes the bug that you have in your code, i.e. that you are incrementing c for every value that you show, while you should only increment it for every second value that you show.