10-12 Exercise: A water supply company

1 like 0 dislike
7.8k 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 | 7.8k 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:172.69.6.149
©2016-2024

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 | 6.4k 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 | 5.7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users