Code - Grid

// Looping demo that draws asterisks on screen based on
// user number input.

// Starts off with a line of asterisks
// Eventually we'll draw a box of them

// Marc Chee marc.chee@unsw.edu.au

#include <stdio.h>

int main (void) {
    int gridSize;
    int exit = 0;
    
    while(exit == 0) {
        // take user input to set the grid size
        printf("Please enter the size of the grid or 0 to exit: ");
        scanf("%d", &gridSize);
        
        if(gridSize == 0) {
            exit = 1;
        }
        
        // print out the square grid
        int y = 0;
        while(y < gridSize) {
            // print out one line
            int x = 0;
            while(x < gridSize) {
                printf("*");
                x = x + 1;
            }
            printf("\n");
            y = y + 1;
        }        
    }

    return 0;
}