10-12 Exercise: A water supply company

1 like 0 dislike
24.7k 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 | 24.7k 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:162.159.115.10
©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 | 19.8k 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 | 18.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users