10-12 Exercise: A water supply company

1 like 0 dislike
27.2k 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 | 27.2k views

91 Answers

0 like 0 dislike 
Hidden content!
  *  ** *  ** *** ** *
int main()
{
    *** **  ****    * * * * * a1;
* *   ***  * *  *  *** ** * *  *** *  *** * * **  *
*   ** *   ***    *  * ***  < 30)
 **** *      *  *    * *** * ***  * * **   *   * ** * * * * *  * * * ***  *******   

*  *** * *****  *  * ** **** if(a1 >   ***   ******  < 50)
*****  ** * ***   *** ****   ** *  **  * * **  **   **  *  ******* ***  ****   *  ** *      *     **** *

*  ***  *  *** *  * **** ** if(a1 > ** *** *** **  < 60)
   * **** * **   * ** *** *   * * *    ***   **  *** * *   **  ** **  *  * *   * *    * * 0.6) + (20 *0.8)+(a1 - 60)*1+10);

  *  *   * **** ****** *  * if(a1 > 60)
*  ***   *   *** * ** *  ******  **** *  * ***  ***  *****   ** *  * ******* *    **   * * %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
 **** **   ** **       **
return 0;
}
answered by (-141 points)
0 1
prog.c: In function 'main':
prog.c:17:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration]
 system("pause");
 ^~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include     * * * *

int main ()
{
****    *    ***  ***** * * ** waterUsage;
** ****  **   * *  ** * * * **   Cost;

*****  * * **   *  ** * * **** ** *    **   *   *  & waterUsage);

*  **  **      *  *** * * *** (waterUsage>=0 &&  ** *****    
   *** *   ***    **      
      ***      *  ***    * * **      10 + (waterUsage *.6);
    ** * ****** **    *   **    *   * *     ** ** Cost);
* ** ****  *       *  * *** * **


** *** * ***** *** *   ** ** *    *** && waterUsage<=50)
*  * * *** *  * *  **  **
** ***** *****  *** ** *    *  * * * 28 + ((waterUsage-30)*0.8);
* ***  ***   * **** *  * ****** **  *   *** *   * * *** * Cost);
***  ***  ** ** * **  *  **

 ***   * *  * * ***   **  **  *   * * * * && **     *  **  * 
*****  *   **  **  *  * *** *
 ** * *   *    ** **  **  = 44 + ((waterUsage-50)*1);
***  *  * **   * *   *     *  *   **** *  **  * 
**** **  *     *   ******   

 *  *   * * * * **  **    ***       *  *  * **    ***  *
***   **   * *   * * *** * *** 
* ** *   ** *   *  *  ** ********   = 54 * *    * *  *  **
*    *  **   * *      *  *** *** *     ****  ****   ********  Cost);
 ** *  * *******    *   *   

  **** ***** **    * **       0;













}
answered by (-167 points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main(void)
{
  ******   **  * **    *     a=0;
* *   *** ***** *  ** *   ** * ** cost = 0;
 *    * ***** **** * * ** **  * *  * * ** * **     * &a);
   ***  *  **** * **** * * *  (a>60)
 **      ****** * * ******
 *****  *** **  *** *  *     **  **  * *  ******** *    ***    * *  * * *** * ** *       *
 ** *     *** * **  ** *
* * * *  *   **     **** *  (a>50 && a<=60)
    *   * **        * * *
**    *** * *  *   ** ** ** *  * **    *   *  ** ***    *****   *   * * **
**    **** **** **  **       *
** ** * *  **  **** **     (a>30 && a<=50)
***** *   *       * * **   *
* *     ****  *   *  *** *  **    **  ** ***  ** *   *    ****  * * * *****    *
  * *  * *** *     
*   **** *    * *  ** *  * * (a>0 && a<=30)
*   *** *  *  * * ***  **  *
*   *** ** ** *  **    ***   **  **** ***** * ** * * * *** 
 *    * **  ***  * * **   ** 
** ** *    * ****** ** **** * *    ******   %.2f", cost);
 **   * ** ** * * * * **  ** 0;
}
answered by (-249 points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
  *     **    ** ****   *  **** * a;
*  **  ** * * *  ** * *  *  ** cost;
  * ***** ***  * *  ****  ***   * * *** *  *   **
** * *   **    * * *  ***** *  (a>60)
*  * ** *  * * * *      ****  *  ** ***   * 
***** ***** *   ****  *****   ****  *  ***     ** *********  * ** ** *    
 ** *** *  *   ** **** ******* ** ***    
 **    ** ** *** **  ***  * * ** ** (a>50 && a<=60)
**     * ********* **  *** *  **  *** * *
 **     *   **   ***  **  *******  *  **    * *  ***   * *** ***     
*   ** ** **  * ** *    **   ** ****   **** ***
   *      ** *  * * * * ** **  ** (a>30 && a<=50)
* * ***  * ** * *  * *  ** *** *        
 ** ** ***** * * *****  *** * *    *    * *  ******  *   ****   *
**  *   * *   *   * * **       *  **  ** *  **  * ***
    if (a>0 && a<=30)
 * *  ****   *   ****** *  **    ***  * * * 
    ** *******  * *  *   *  * ***  * *   **       *   
**  **    *** *  ***  * ** * *  * ****  ** 
**  ***  *   *  *   * * ***   ** * * * *** %.2f", cost);
** **  * * * **  ** * **** **   **** 0;
}
answered by (-249 points)
0 0
prog.c: In function 'main':
prog.c:6:13: error: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Werror=format=]
     scanf("%d",a);
             ^
prog.c:6:5: error: 'a' is used uninitialized in this function [-Werror=uninitialized]
     scanf("%d",a);
     ^~~~~~~~~~~~~
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
 *   ***
  * *
 ***  * *
{
    *  **
    * *      ** *       ***  *
         * ***
         ***   * *   **** * * *******
   ** *      **  * *** ******      * *  **
        *  *    * *  **  ***  *  * ** *** **
*   *  *   * * **    *    ** **    ** ***
        ** *  * *** *   * *     * *  + *  **** -         
   *** *  *  **   ***  **
            ***** * *****  *  ****** *****     * * ** ** - **  **  * 
  ** * * **  *    *
 **   *
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c:2:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:7:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:7:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:7:5: note: include '' or provide a declaration of 'scanf' prog.c:7:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:7:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:7:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:8:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:8:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:9:9: note: include '' or provide a declaration of 'printf' prog.c:11:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:11:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:12:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:12:9: note: include '' or provide a declaration of 'printf' prog.c:14:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:15:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:15:9: note: include '' or provide a declaration of 'printf' prog.c:17:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:18:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:18:13: note: include '' or provide a declaration of 'printf' prog.c:19:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 0
Your program was not runnable because of the system fault, please submit again.

Sorry for the inconvenience
commented by (9.9k points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c:2:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:7:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:7:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:7:5: note: include '' or provide a declaration of 'scanf' prog.c:7:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:7:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:7:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:8:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:8:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:9:9: note: include '' or provide a declaration of 'printf' prog.c:11:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:11:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:12:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:12:9: note: include '' or provide a declaration of 'printf' prog.c:14:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:15:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:15:9: note: include '' or provide a declaration of 'printf' prog.c:17:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:18:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:18:13: note: include '' or provide a declaration of 'printf' prog.c:19:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 *** *
** *  
{
       * 
  *   *   *** * ***   **   * 
          *   *
         *********    **   ** * *** ** *
   **   ***  **         * ** *  *    *  *  
         *     *       *   ******** *  * * * ***  **
        *  ****  * ** *  * *** *  ** *  * ** *
        **    *  *  * *** * **  * * ** + **    ** -  **  *
   ** ** **    *  *
               ** **   ** * **    ****    *   ** - ***  **
   *    *  **  
***** **
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:6:5: note: include '' or provide a declaration of 'scanf' prog.c:6:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:6:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:6:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:7:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:7:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:8:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:8:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:8:9: note: include '' or provide a declaration of 'printf' prog.c:10:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:10:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:17:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:17:13: note: include '' or provide a declaration of 'printf' prog.c:18:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
*** *
   ***
{
    **  **
   *  *** ** *     ** *
      *   ***   
      *  **   ** *  ** *      ** **** 
   * **  *  * ******  *  *  ** ****      *   
         *** **** * ** ** *****    * *** ** *  **
    ***    *  *  *  **  *** *      *****   *
         *  **    *   *  *  * * *** + **  **  **  - * ** **
    ** *  ** * *  
            *** **    *    ** *     ****      **  - ** * * *
 * *   * *  **  **
*    *
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:6:5: note: include '' or provide a declaration of 'scanf' prog.c:6:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:6:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:6:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:7:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:7:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:8:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("cost: %.2f\n",(a1*0.6)+10); ^~~~~~ prog.c:8:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:8:9: note: include '' or provide a declaration of 'printf' prog.c:10:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:10:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(30 * 0.6+(a1-30)*0.8)+10); ^~~~~~ prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:17:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f\n",(20 *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10); ^~~~~~ prog.c:17:13: note: include '' or provide a declaration of 'printf' prog.c:18:1: error: implicit declaration of function 'system' [-Werror=implicit-function-declaration] system("pause"); ^~~~~~ cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
***  *
 * *  
* *     ***
 *     y * ****
*** z         * **   
 ** **** 
{
  *  *  
*   ** *      **    ******** 
    *  *** *  *
        *****  **  ** *****   *  *
     * * ** ** ****   ***   * **  *
          * **** ** ** ** **  *  *  **  ** 
       * ***  *** **   ***  ***   *     * *   **
        ** **  * ****  *  * ** * + **  *   **
* * *    *    *       * 
*                * * **   *   ******   *  *  *   
  ** *
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:9:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:9:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:9:5: note: include '' or provide a declaration of 'scanf' prog.c:9:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:9:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:9:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:10:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:10:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:11:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("Cost: %.2f",(a1*0.6)+n); ^~~~~~ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:13:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",(x+(a1-30)*0.8)+n); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",x + y+(a1 - 60)*1+n); ^~~~~~ prog.c:17:9: note: include '' or provide a declaration of 'printf' prog.c:19:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:20:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("Cost: %.2f",z+(a1 - 60)*1.2+n); ^~~~~~ prog.c:20:13: note: include '' or provide a declaration of 'printf' cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
 ** *
 *** *  
*  **   *** 
*  y  *  
* *  z    ** ** **  *   
 * ** *
{
        *
    **** ***        ***   
    ** ****  ** 
        ** *   * *** **  *  *  *  ** * ***
     * *     ***  ****  *   **   **   
         ***      * *** *     ** ** *   
   **      *  * *  *    *** ***      * 
          *** * * *   *  * ** + *      *    ***
   *     **   *    * 
*            ** ***    **  * *   *** *   ** **
*  *   
}
answered by (-141 points)
0 0
prog.c:1:9: error: #include expects "FILENAME" or #include ^ prog.c: In function 'main': prog.c:9:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration] scanf("%d",&a1); ^~~~~ prog.c:9:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror] prog.c:9:5: note: include '' or provide a declaration of 'scanf' prog.c:9:17: error: 'amp' undeclared (first use in this function) scanf("%d",&a1); ^~~ prog.c:9:17: note: each undeclared identifier is reported only once for each function it appears in prog.c:9:20: error: expected ')' before ';' token scanf("%d",&a1); ^ prog.c:10:12: error: 'lt' undeclared (first use in this function) if(a1 < 30) ^~ prog.c:10:14: error: expected ')' before ';' token if(a1 < 30) ^ prog.c:11:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration] printf("cost: %.2f",(a1*0.6)+n); ^~~~~~ prog.c:11:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] prog.c:11:9: note: include '' or provide a declaration of 'printf' prog.c:13:17: error: 'gt' undeclared (first use in this function) else if(a1 > 30&&a1 < 50) ^~ prog.c:13:19: error: expected ')' before ';' token else if(a1 > 30&&a1 < 50) ^ prog.c:14:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",(x+(a1-30)*0.8)+n); ^~~~~~ prog.c:14:9: note: include '' or provide a declaration of 'printf' prog.c:16:19: error: expected ')' before ';' token else if(a1 > 50&&a1 < 60) ^ prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",x + y+(a1 - 60)*1+n); ^~~~~~ prog.c:17:9: note: include '' or provide a declaration of 'printf' prog.c:19:19: error: expected ')' before ';' token else if(a1 > 60) ^ prog.c:20:13: error: incompatible implicit declaration of built-in function 'printf' [-Werror] printf("cost: %.2f",z+(a1 - 60)*1.2+n); ^~~~~~ prog.c:20:13: note: include '' or provide a declaration of 'printf' cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include **    ***** * * 
int main(void)
{

int cm;
float cost;

 * *       *** *  *** *** *

if  **     **
{
*** *** *   *      **  ** ** * ** *   * *    *** *  ***** 
}

if      *  *  ** **  * * **  ***** *
{

* * * ** *   ******        *  **   *  *****
}

***  *    ** *     *    * *  *   * *
     * *
 **  *** **  * **  * ** ***** *   * ** * * *   **  
 }


if (cm>0 **  *    *  **   **   *
* * *      *  *   ********** 
  *    **     ***** * * * *  *****     *******   * ** ** 
* *   ** **  *****  *** * *
  *    *    *       **  **  *  * cost);



return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.10
©2016-2026

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 21.7k 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 | 19.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users