Download Source Code Answer // Online C compiler to run C program online #include <stdio.h> int main() { int pizzaType=0; char pizza_Size; int pizzaNum=0; float pizzaprice; float Sum=0.00; char Creditcard; char loyality; char onlie_order; float disTotal=0.00; printf("Input the pizza type : "); scanf("%d",&pizzaType); do{ if((pizzaType==1)||(pizzaType==2)){ }else{ printf("Invaid pizza type\n"); while((pizzaType!=1)&&(pizzaType!=2)){ printf("Re-Input the pizza type : "); scanf("%d",&pizzaType); ...