10-12 Exercise: A water supply company

1 like 0 dislike
13.7k 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 | 13.7k 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:172.70.127.157
©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 | 11k 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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users