Codeforces:200B

Problem Id:Drinks

Source Code:


#include
int main()
{
long long i,n;
scanf(“%lld”,&n);
double a[n],x=0;
for(i=1;i<=n;i++)
{scanf(“%lf”,&a[i]);
x+=a[i];
}
printf(“%.12lf\n”,x/n);
return 0;
}

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