10-12 Exercise: A water supply company

1 like 0 dislike
12.9k 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 | 12.9k 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:172.69.59.123
©2016-2025

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 | 10.3k 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 | 9.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users