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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6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)AD by (18k points)
ID: 15385 - Available when: 2016-10-27 18:30:00 - Due to: 2016-10-27 21:00:00

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Hidden content!
#include * * ** ** ***

#include * * *** *



int main(int argc, char *argv[])

{
***** ** * * n,i,j;
* ** **** * a = 0;
* *** * ****** ** **** * * ** * ****
*** * * * * = 0; i < n ;i++){
* * * * * * ** *** ** ****** ** * ** * * * * * ** ******* ***
* ** * ** * *** ** * * * ** ** ** ***** * *** += j;
*** ** * *
** * ** ****** ****** ***** **** **
* **** ** * *
* ** * * ***** * *** ** * *  
* * * *** 0;

}
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