10-12 Exercise: A water supply company

1 like 0 dislike
24k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 24k views

91 Answers

0 like 0 dislike 
Hidden content!
*** **  **   ** *  *
int main()
{
*   ****** * **       a1;
    * *   ** * *    *    * *  * * *** * * **  **    **
     ******     * ***   * *   < 30)
****   **** ** **** * *******  *** *  **  ** ***  *  ** * *** **   *** * * * *   ** *

*** * * * * *  * *****  ** * * if(a1 > * *     * **     < 50)
* ** * ***** *   ** * ***  * ***  ***  * *  * *  *       * * * ****    **    **  * * *  **  *** * **  

     **   *   ***** *    *** if(a1 >   ****    ** < 60)
*   *    * ******* *  ** * ****  ** ***   **      *** *  * * ** * * *** *** **     **   * 0.6) + (20 *0.8)+(a1 - 60)*1+10);

 *  *  *  *  ** *** ***  ***  if(a1 > 60)
 ***  * *     ** ** *  * **     ***  *   ** ***   **   **    ** *** ** *  ** *  *  **  *  *   %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
*****  * *   ***  *  
return 0;
}
answered by (-141 points)
0 1
prog.c: In function 'main':
prog.c:17:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration]
 system("pause");
 ^~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include * *****   *    ** **

int main ()
{
** *  * * ** ********    * ** *  waterUsage;
***  ** ** *     * * ** * *  * * Cost;

 * * **  *    ********   *  *  ****      *  *** * & waterUsage);

   ***  *    ***** *   **** *   (waterUsage>=0 && * * **   *  * * * 
   ******     **  * *  * * *   
  ** **  ** * * ***  **  * *  * 10 + (waterUsage *.6);
* ** *   * **  ** * * ** ** **** * * **  * *   *  ***** *  Cost);
   ** * ** *  **  ***** **  **  *


 * *** **  ** *   ****    ** ** *   * *   * && waterUsage<=50)
** **   *      *   **   *** 
 *  **  * *   * ** ***** * **  28 + ((waterUsage-30)*0.8);
  **  ** *** ****     *** *    *   * * **** *** * * Cost);
 ***  ****  *** *   *       *

 * * ** ***   * ** * * *  *   ** *   *   **   && **  *      **  *
* *  **   **  **  *  *  *    
 *   **   * *  *** *** **   ** *  = 44 + ((waterUsage-50)*1);
**** ** ***  *     * * ***** * * * * *** **  **  * * **** * *  
  **   **  *****   * **  ** 

 * ** * * **  ******* * **** * *   **      *  * *  * **  *
 *   ** **   ** ***** **  * *
** * * * ******   *   ***   = 54  * ** * * *** 
*   *   * ***   * *    ***  ****   *  ***  * *     **  Cost);
*** *  ****    *****   * *

* *  ****  ****   * * * ***** * 0;













}
answered by (-167 points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main(void)
{
**  **   * ****  ** * * **  * a=0;
*** ****   * *   * ** * * * * cost = 0;
  ***   * * ***  * ***** **  **** ***** * *  &a);
*   * **  ****  ** ** ***   **   (a>60)
  **  *** ** *  *** ** *   **
 ***** * *  *  ***   *    * **   ****  *      *   **********     ***  ** **  *  ****** 
* ***** ***** ***  * ** ***
**   **  ****       * * * *   (a>50 && a<=60)
 *** *  *   *  * * *** ** * 
**   * *    **** ** **           *        *  * ** *  ** *******   * *    * ** *
 **  **  * ***   **  * ***
  ** ****    ***    * ** **  (a>30 && a<=50)
**** ***  * **  * *** **     * 
*   ** ** * *  ******   * * ***** ***  ** *    **  *  ** **   **    *  *
    * **   **  ** **** ****
   *   ***   *  * ***  *  ***    (a>0 && a<=30)
*   *  ***** ** ** **    ***   
* **      * *** *  * **  *****     ** ****  *  *  ****   * *   *
 * * ** ** *  ****  * ****  * 
*  ** ** *    * *** *   ******* ***   %.2f", cost);
 ** *   * ***** *  *** ** *  * *    0;
}
answered by (-249 points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
**    **  * *    * ****** *   ** a;
** ** **     *** **     *** *       * cost;
***   ** **** *  *  **    *  *  ***   **  
  *  * ******* * **        * (a>60)
 * **    **  ** *   * **   *   
*   *  ***** **  * * * * ****  *      * * **** * **    ***   *   ***  
  ** * ***   *   ***  ** *******   ** ***
* * * ***   *   ***   * **  (a>50 && a<=60)
 *   ***  *     *   ** * *   *  ***    *
 ****  *  * *   ***  ***** *     * * *  * ******  ****  **   * * 
 ****      * * ** ***** ***** **** *** *
******  ** * * *   ***  **   **   ***  * *  (a>30 && a<=50)
  ***  *  ***  ******* * *      * * **  ** ****
**   **      * ****  * *  ***  **  ****   * * *****  *    ** ***
 ** *** *** * * ** *** **  *****  *    *   *  * ****
    if (a>0 && a<=30)
 **  * * ***   *   ****  ** *** *** 
***   * ***  ****  *   **** ***   ******  *** *  
  ******  *   **      **** * **      *  * *
   * *  * *  * ***    *    ** *    * * *  * *  %.2f", cost);
* * ******  * * **   *     ***     0;
}
answered by (-249 points)
0 0
prog.c: In function 'main':
prog.c:6:13: error: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Werror=format=]
     scanf("%d",a);
             ^
prog.c:6:5: error: 'a' is used uninitialized in this function [-Werror=uninitialized]
     scanf("%d",a);
     ^~~~~~~~~~~~~
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
 * ** 
* ***
*     * 
{
          
    *   **  * **   **** 
       *      * *
         *     * ****   *   *       * *  
   ** ** ****  *       *   **    ** *   *  
        *    ** *  ** *   ***   **** *  ***** **   *
    *  ***** ****  * *    * ****  ** * * 
         *  ** ***       *     * * + ** ** **** * -   ****
   ** *  *  *   *  ***
              * * * *** *****   * * *  *     ** * -  ***    
  **  * **    
   * *
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c:2:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:7:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:7:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:7:5: note: include '' or provide a declaration of 'scanf' prog.c:7:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:7:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:7:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:8:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:8:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:9:9: note: include '' or provide a declaration of 'printf' prog.c:11:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:11:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:12:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:12:9: note: include '' or provide a declaration of 'printf' prog.c:14:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:15:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:15:9: note: include '' or provide a declaration of 'printf' prog.c:17:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:18:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:18:13: note: include '' or provide a declaration of 'printf' prog.c:19:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 0
Your program was not runnable because of the system fault, please submit again.

Sorry for the inconvenience
commented by (9.9k points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c:2:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:7:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:7:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:7:5: note: include '' or provide a declaration of 'scanf' prog.c:7:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:7:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:7:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:8:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:8:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:9:9: note: include '' or provide a declaration of 'printf' prog.c:11:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:11:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:12:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:12:9: note: include '' or provide a declaration of 'printf' prog.c:14:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:15:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:15:9: note: include '' or provide a declaration of 'printf' prog.c:17:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:18:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:18:13: note: include '' or provide a declaration of 'printf' prog.c:19:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
** 
   * * 
{
    *   
       ** *** **  * ** **    
    **   **  *   
      *  ***  *  **     **  * *   **   *
   **   *** *  ** ****** * ** **    * *  ** 
          *  *     ** *  * ** *    *
   **        ** **   **** *** *  **  **  *
          **  *  ***     * * ** *   *  * * +   * ***** - *   
    *    ******   
              **     ***  * **         * ** ** ***** * -  * *** *
 * *  *  * *** 
 *** 
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:6:5: note: include '' or provide a declaration of 'scanf' prog.c:6:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:6:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:6:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:7:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:7:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:8:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:8:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:8:9: note: include '' or provide a declaration of 'printf' prog.c:10:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:10:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:17:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:17:13: note: include '' or provide a declaration of 'printf' prog.c:18:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
**  **  
*** *   *
{
     * **
      * *   ***  * *  * **   * 
     **  * *   *
        * * * * *  * ****   *** *  
   ***  *  **  *     *** *   * * ***  * ** **
        * * *** * * * **    * * *  *  ********
     ***   **          *** **  *** * *** * **
            * **  * * **  * ** *** *  * + *  **  * -   ***  
    **    *   *   *  
             ***  * * ** ** *   *  *   *  *   * * *  -      *
* *  *        **  
 *   *
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:6:5: note: include '' or provide a declaration of 'scanf' prog.c:6:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:6:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:6:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:7:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:7:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:8:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:8:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:8:9: note: include '' or provide a declaration of 'printf' prog.c:10:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:10:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:17:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:17:13: note: include '' or provide a declaration of 'printf' prog.c:18:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
***
 * * *   
 ****      
***  y *    **
  * z    ***** ** * *
*   *** 
{
    *   **
    **      **    ***    **
 * * * * * ***  
        **  *  * * *  *   * ** * *
         ***   ** *   **   * *    *     *    *
        **    * *    **   * *     ***        *
   * * *** * * * *  *  *       * * ****   *
             *  * *     *       +  *       * *
    **    *  * *    * 
            ** * **   *     ** *  * ***** * 
 **  * * 
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:9:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:9:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:9:5: note: include '' or provide a declaration of 'scanf' prog.c:9:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:9:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:9:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:10:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:10:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:11:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f",(a1*0.6)+n); ^~~~~~ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:13:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",(x+(a1-30)*0.8)+n); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",x + y+(a1 - 60)*1+n); ^~~~~~ prog.c:17:9: note: include '' or provide a declaration of 'printf' prog.c:19:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:20:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",z+(a1 - 60)*1.2+n); ^~~~~~ prog.c:20:13: note: include '' or provide a declaration of 'printf' cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
 * *  
***     
  * *  * *  * 
  * y * * 
* *** z ***   **  *  **     *
**   * *
{
    ** * 
   ** ** ***** *** *** *
*   * *  * *    
                 * *  **  ****  *   *
   * *  * ** *      *  * *   * **  * *
        *      *  * *     * * * *   **** 
   ** *  * ** * *   **  * ***  *
          * *      *   ** + *    * * * 
*   * ***     ** * *  
* *           **  **     *  * * **  ****  * 
 **     
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:9:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:9:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:9:5: note: include '' or provide a declaration of 'scanf' prog.c:9:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:9:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:9:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:10:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:10:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:11:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("cost: %.2f",(a1*0.6)+n); ^~~~~~ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:13:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",(x+(a1-30)*0.8)+n); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",x + y+(a1 - 60)*1+n); ^~~~~~ prog.c:17:9: note: include '' or provide a declaration of 'printf' prog.c:19:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:20:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",z+(a1 - 60)*1.2+n); ^~~~~~ prog.c:20:13: note: include '' or provide a declaration of 'printf' cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include * *** ****   **
int main(void)
{

int cm;
float cost;

**  * **  ** *****  * **  *    

if   *      
{
* * ***  ** ***  **** *  *  ***** * *      *  * *  *      
}

if   *  ** * * * *   **** * ***** 
{

********    *  ** *   *  *******    *     
}

     **** **  * * *   *  * **   *  *****
**  ****
*** ****        *   *** *  * *** ***** * **  *** ****     *
 }


if (cm>0  * *  **  *  * *    *
****   * ***  *  ***** **  **
***  *** * ***    * ******    ** *  *********  ****   ** **  * **  
*** **** **  *  *** * * 
  ****   ***** **  **  ***   * ***  cost);



return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.65
©2016-2026

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 19k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 17.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users