问C绝对入门指南Chapter8Ex2

EN

// Example program #2 from Chapter 8 of Absolute Beginner's Guide to
// C, 3rd Edition
// File Chapter8ex2.c

/* This is a sample program that asks users for some basic data and prints it on
screen in order to show what was entered */

#include <stdio.h>

main()
{
    char topping[24];
    int slices;
    int month, day, year;
    float cost;

// The first scanf will look for a floating-point variable, the cost
// of a pizza
// If the user doesn't enter a $ before the cost, it could cause
// problems

    printf("How much does a pizza cost in your area?");
    printf("enter as $XX.XX)\n");
    scanf(" $%f", &cost);

// The pizza topping is a string, so your scanf doesn't need an &

    printf("What is your favorite one-word pizza topping?\n");
    scanf(" %s", topping);

    printf("How many slices of %s pizza", topping);
    printf("can you eat in one sitting?\n");
    scanf(" %d", slices);

    printf("What is today's date (enter it in XX/XX/XX format).\n");
    scanf(" %d/%d/%d", &month, &day, &year);

    printf("\n\nWhy not treat yourself to dinner on %d/%d/%d", month, day, year);
    printf("\nand have %d slices of %s pizza!\n", slices, topping);
    printf("It will only cost you $%.2f!\n\n\n", cost);

    return (0);
    }