Exercise 4

#include
#include
#define p printf
#define s scanf


void main(){
char pattern;
clrscr();
p("A - Pattern 1 \n");
p("B - Pattern 2 \n");
p("C - Pattern 3 \n");
p("D - Pattern 4 \n");
p("Enter your letter of choice: ");
s("%c", &pattern);
switch (pattern)
{
case 'A':
p("");
gotoxy(37,15);
p("*");
gotoxy(37,16);
p("**");
gotoxy(37,17);
p("***");
gotoxy(37,18);
p("****");
gotoxy(37,19);
break;

case 'B':
p("");
gotoxy(37,15);
p("****");
gotoxy(37,16);
p("***");
gotoxy(37,17);
p("**");
gotoxy(37,18);
p("*");
gotoxy(37,19);
break;

case 'C':
p("");
gotoxy(37,15);
p(" *");
gotoxy(37,16);
p(" **");
gotoxy(37,17);
p(" ***");
gotoxy(37,18);
p("****");
gotoxy(37,19);
break;

case 'D':
p("");
gotoxy(37,15);
p("****");
gotoxy(37,16);
p(" ***");
gotoxy(37,17);
p(" **");
gotoxy(37,18);
p(" *");
gotoxy(37,19);
break;

}
getch();
}