1. //
    2. //  main.c
    3. //  test_e
    4. //
    5. //  Created by dezhu on 2021/12/23.
    6. //  Copyright © 2021年 dezhu. All rights reserved.
    7. //
    9. #include <stdio.h>
    10. #include <stdio.h>
    12. int main(int argc, const char * argv[]) {
    13.     // insert code here...
    14.     int money;
    15.     float all;
    16.     int number;
    17.     printf("一元为1，五角为2，一角为3");
    18.     scanf("%d", &money);
    19.     printf("please input mount of money");
    20.     scanf("%d", &number);
    21.     if(money==1)
    22.         all = 1* number;
    23.     if(money==2)
    24.         all = 0.5 * number;
    25.     if(money ==3)
    26.         all = 0.1 * number;
    27.     if(all>2)
    28.         printf("have a good trip");
    29.     else
    30.         printf("sorry, not enough money");
    31.     printf("Hello, World!\n");
    32.     return 0;
    33. }