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Finish the function compute_GPA below. The function should return the average of the grades (assume that A=4,B=3,C=2,D=1, and F=0). The grades array will contain letter grades (A,B,C,D, or F, either upper-case or lower-case 大寫小寫), n is the length of the array

寫compute_GPA函數。函數會return成績平均(A = 4, B = 3, C = 2, D = 1, F = 0)

#include <stdio.h>
float compute_GPA(char grades[],int n)
{
   /*INSERT YOUR CODE HERE*/


   /*END OF YOUR CODE*/
   //The function should return the average of the grades(assume that A=4,B=3,C=2,D=1, and F=0).
}

int main(void)
{
   char G[100];
   int n;

   /*INSERT YOUR CODE HERE*/


   /*END OF YOUR CODE*/

   printf("%g",compute_GPA(G,n));

   return 0;
}

Example input: 

The first input is the number of elements need to compute GPA (4); The array values follow; 

第一行是成績數目,第二行是成績(A/B/C/D/F)

4
A B C D

Example output

2.5

Remember: You may correct the cases, but your code always be revised!

[Exercise] Coding (C) - asked in Chapter 9: Functions by (5.2k points)
Available when: 2017-12-14 18:00 - Due to: Unlimited

edited by | 217 views

50 Answers

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Hidden content!
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answered by (-140 points)
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Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
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answered by (-168 points)
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prog.c: In function 'main':
prog.c:40:16: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int' [-Wformat=]
        scanf("%s",G[c]);
                ^
prog.c:44:22: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int' [-Wformat=]
              scanf("%s", G[c]);
                      ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (-32 points)
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Case 0: Correct output
Case 1: Correct output
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Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (-16 points)
edited by
0 0
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Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
prog.c: In function 'main':
prog.c:33:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'double' [-Wformat=]
    printf("%s",compute_GPA(G,n));
             ^
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (323 points)
0 0
Case 0: Correct output
Case 1: Correct output
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Case 3: Correct output
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Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
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Case 3: Correct output
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Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (-284 points)
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Hidden content!
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
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answered by (-284 points)
edited by
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Hidden content!
#include<string.h>
#include <stdio.h>
float compute_GPA(char grades[],int n)
{
   int i;
* * * * * * * * sum=0;

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answered by (-284 points)
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Why??
0 0
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prog.c: In function 'main':
prog.c:42:4: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    gets(G);
    ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
prog.c:43:6: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    n=strlen(G);
      ^~~~~~
prog.c:43:6: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:43:6: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/cca4V36e.o: In function `main':
prog.c:(.text+0x169): warning: the `gets' function is dangerous and should not be used.
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
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Hidden content!
* ** **** ** * *
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{
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* * **** * * ** * *** * ** ** * * * m = 3;
* ** ** **** * * * ** }
** ** ***** ** *** ** ** ** ** * * * == 'C' || * == 'c')
* * * * *** ** *** ** {
**** * ** * * *** * * * * m = 2;
**** *** * ** * }
* *** ***** * *** * * * ** *** == 'D' || ** ** ==
* ** ** ***** {
***** *** * *** **** * *** * * *** * **** * m = 1;
** * * * ** ** ** * }
** * ** ** *** * * ***
* *** ** * * * ** {
* * * * * * ** * *** ** * ** ** * * ** m = 0;
* * * * * * }
* * **** * * * * *
* * *** *** * **** sum += m;
*** * }

** avg = sum / n;

* * *** ****** *
* * **** * ** ** * ** * * ** * * the * * of the * * * ** * and * *
}

* ***
{
* **** * * * *
* * ** int n;

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

*** *** int i = 0;

* * * * * = 0;i * n; i++)
* * * * * **** {
* * * ***** * *** * **** * ** ** * * ***
** * *** * }


* *** ****** * **** OF YOUR **

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

* * **** *** * * * 0;
}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
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