10-12 Exercise: A water supply company

1 like 0 dislike
17.1k 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 | 17.1k 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:141.101.76.85
©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 | 13.7k 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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users