// There are only 'for', 'while', and 'do while'

// For loop - Outputs "0 1 2 3 4 5 6 7 8 9" 
for( int i=0; i<10; i++ ) {
    std::cout << i << " "; 
}

// While loop - Outputs "0 1 2 3 4 5 6 7 8 9" 
int i = 0; 
while( i < 10 ) { 
    std::cout << i << " ";
    i++;
}

// While loop - Outputs "0 " 
int i = 0; 
do { 
    std::cout << i << " "; 
}while( i<0 );