#include <iostream>

using namespace std;

int main() { {

int var_test_pre {1}, var_test_post {1}, test_pre {1}, test_post {1}, incrmnt_pre {1}, incrmnt_post {1};

for ( int var_declare {1}; // starting value, only evaluated once.

++var_test_pre, var_test_post++, ++test_pre < 99, true, test_post++ < 4; // evaluation and then test done before top of loop.

++incrmnt_pre, incrmnt_post++, var_declare++, true // increment done after bottom of loop before top eval and test.

) { cout << "var_declare: "<<var_declare

<< " var_test_pre: "<<var_test_pre<<" var_test_post: "<<var_test_post

<< " test_pre: "<<test_pre<<" test_post "<<test_post

<< " incrmnt_pre: "<<incrmnt_pre<<" incrmnt_post: "<<incrmnt_post<<endl; } }

int var_test_pre {1}, var_test_post {1}, test_pre {1}, test_post {1}, incrmnt_pre {1}, incrmnt_post {1};

for ( int var_declare {1}; // starting value, only evaluated once.

++var_test_pre, var_test_post++, test_post++ < 99, true, ++test_pre < 4; // evaluation and then test done before top of loop.

++incrmnt_pre, incrmnt_post++, var_declare++, true // increment done after bottom of loop before top eval and test.

) { cout << "var_declare: "<<var_declare

<< " var_test_pre: "<<var_test_pre<<" var_test_post: "<<var_test_post

<< " test_pre: "<<test_pre<<" test_post "<<test_post

<< " incrmnt_pre: "<<incrmnt_pre<<" incrmnt_post: "<<incrmnt_post<<endl; }

cout << "###" << endl;

return 0;

}