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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()

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


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