monteno

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Mar 23rd, 2011
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C++ 0.39 KB | None | 0 0
  1. #include <iostream.h>
  2. #include <math.h>
  3.  
  4. void main ()
  5. {  
  6.     int n,i;
  7.     float acum,prom,std,acumonsta,acumuloco;
  8.     float a[9999];
  9.     cin>>n;
  10.     acum=0;
  11.     for (i=0;i<=n;i=i+1)
  12.     {
  13.         a[i]=i;
  14.         acum=acum+(a[i]);      
  15.     }
  16.     prom=(acum/n); 
  17.     cout<<prom<<"\n";
  18.     for (i=0;i<n;i=i+1)
  19.     {      
  20.         acumonsta=pow(a[i]-prom,2);
  21.         acumuloco=acumuloco+acumonsta;     
  22.     }
  23.     std=(acumuloco/(n-1));
  24.     cout<<std;
  25. }
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