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請設計一程式,由使用者輸入N個數字,求這些數字的平均。使用者輸入的第一個數字N代表接下來會有多少個數字要求平均,接下來的N個數字就是需要計算平均的數。輸出請輸出到小數點後六位。

sample input:

10 1 2 3 4 5 6 7 8 9 10

sample output:

5.500000
[Exercise] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 15378 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00

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#include <stdio.h>
#include <stdlib.h>

int main()

{
    int a,n;
    float c;
    scanf("%d",&a);
    int b[a];
    for(n=0;n<a;n++)
    {
        scanf("%d",&b[n]);
    }
    for(n=0;n<a;n++)
    {
        c=c+b[n];
    }
    printf("%.6f",c/a);
    return 0;
}

102 Answers

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Hidden content!
int main()

{
* * * * ** * ** * a;
* ***** **** ** * * * * ** **

   int num[a],i;
** **** ** * * * * **** * * * **
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** * *** * * * * sum,ave;


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

ave=sum/a;
** ** ** ** * * ***

}
answered by (-124 points)
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Hidden content!
#include <stdio.h>



int main()

{
* ** * * * ***** ** ** * * N;
* * ***** ** *** * * ** *** ** * * * ***
** ** ** ** *** num[N],i;
* * ** * ** * *** **** * * * ave,sum=0;
* * * * ** *** * * (i=0; i<N; i++)
* * * * * * * ** ***
* * ****** ** ** ** ** * * * * ***** * * * ********** ** *
******* ** * ** *
***** ***** * * * ** **** (i=0; i<N; i++)
** *** *** * * * *
* *** * * * * *** ****** * ** * ** ** * *** ** = sum + num[i];
*** ***** ** ** **** ******* *
**** **** * ** *** **** = sum / N;
* *** *** ** * ** * ** * * * *****



}
answered by (-162 points)
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