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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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