10-12 Exercise: A water supply company

1 like 0 dislike
19.7k 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 | 19.7k 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:172.70.80.21
©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 | 15.8k 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 | 14k views
12,783 questions
183,442 answers
172,219 comments
4,824 users