O guide

 
#include 
#include 
Using namespace STD. 
Void input (int n, int a []); 
Double aver (int n, int a []); 
Double stddev (int n, int a []); 
Int main () 
{
Int a [100]={0}; 
int n; 
Double business=0; 
Double stdev=0; 
Cout & lt; Stdev=stddev (n, a); 
Cout & lt; <"Mean square error is:" & lt; return 0; 
} 
Void input (int n, int a []) 
{
int i; 
Cout & lt; <"Please input array elements:" & lt; <'/n'; 
For (I=0; i {
Cin & gt;> A, [I]. 
} 
} 
Double aver (int n, int a []) 
{
double sum=0; 
Double aver1=0; 
int i; 
For (I=0; i The sum +=a [I]; 
Aver1=sum/n * 1.0; 
Return aver1; 
} 
Double stddev (int n, int a []) 
{
double sum=0; 
Double item=0; 
Double D=0; 
int i; 
For (I=0; i {
The sum +=a [I]; 
Item +=pow (a [I] - sum/n, 2); 
} 
D=SQRT (item/n); 
Return D; 
} 

Results:

CodePudding user response:

 cout & lt; <"Please input array elements:" & lt; <'\ n'; 

CodePudding user response:

Cout & lt; <"Please input array elements:" & lt; '/n';
STD: : endl is not sweet, you use this?

CodePudding user response:

reference 1/f, the wise know already should good karma response:

 cout & lt; <"Please input array elements:" & lt; <'\ n'; 

Thanks, errors have been found