10-12 Exercise: A water supply company

1 like 0 dislike
18.5k 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 | 18.5k 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:172.69.7.60
©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 | 15.2k 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 | 13.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users