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:104.23.197.64
©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