code. compile. run. debug. share.
#include <iostream>
#include <cstdlib>
#include <time.h>
#include <iomanip>
#define n 2
using namespace std;
float laSuma(int v);
float laSumaVarianza(int v);
int A[n];
int main(){
srand(time(NULL));
int i;
float laMedia, laVarianza;
for(i=0; i<n; i++){
A[i] = rand();
}
for(i=0; i<n; i++){
cout<<A[i]<<" ";
}
laMedia = laSuma(n)/n;
laVarianza = (laSumaVarianza(n)/n)-(laMedia*laMedia);
cout<<"\nLa media: "<<laMedia<<"\n"<<endl;
cout<<"\nLa varianza: "<<setprecision(10)<<laVarianza<<"\n"<<endl;
return 0;
}
float laSumaVarianza(int v){
float res=0;
if(v>=0){
res = ((A[v])*(A[v])) + laSumaVarianza(v-1);
}
return res;
}
float laSuma(int v){
float res=0;
if(v>=0){
res = A[v]+laSuma(v-1);
}
return res;
}
Compiling Program...
Standard Input:
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