Board Initialization 2 Electric Boogaloo

//beginning
int co1, co2;
//these are coordinates to be used in checks later

//once dimensions have been chosen
obnum = dimensions - 1;

//once the answer to the question "Do you want to populate the board with obstacles?" has been confirmed as yes or no
if (yes == 0){
	do{
		do{
			co1 = (rand() % dimensions) + 2;
			co2 = (rand() % dimensions) + 3;
		}while (array[co1][co2] != '.');
		array[co1][co2] = 'X';
		obnum--;
	}while(obnum > 0);
}