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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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#include * * * * * * *

#include *** *** *** **



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

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

}
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