CS121 Exercises 5

Output:
Exer5

#include
#include

void main(){
int a, b, c;
int choice;
clrscr();
printf("\n Enter a number: ");
scanf("%d", &a);
printf("\n\t\t[A] - Pattern 1\n\n");
printf("\t\t[B] - Pattern 2\n\n");
printf("\t\t[C] - Pattern 3\n\n");
printf("\t\t[D] - Pattern 4\n\n");
printf("Select your choice: ");
scanf("%s",&choice);

switch (choice){

case 'A':
printf("\n ");
for(b=1; b<=a; b++){ for(c=1; c<=b; c++) printf("*"); printf("\n ");} break; case 'B': printf("\n "); for(c=a; c>=1; c--){
for(b=1; b<=c; b++) printf("*");printf("\n ");} break; case 'C': printf("\n "); for(b=1; b<=a; b++){ for(c=1; c<=(a-b); c++) printf(" "); for(c=1; c<=b; c++) printf("*"); printf("\n ");} break; case 'D': printf("\n "); for(int b=a-1; b>=0; b--){
for(int c=b; cprintf(" ");
for(int d=0; d<=b; d++) printf("*"); printf("\n ");} break; default: clrscr(); printf("\n\n\n\n\t\t\tYour choice is not available!\n\n\n\n\t\t\tTry again later...!!!");} getch(); }