#include <stdio.h>
#include <stdlib.h>
#define LEN 5
int main()
{
int a[LEN]={1,2,3,5,6};
int i,sum=0;
double ave;
for(i=0;i<LEN;i++)
{
sum = sum + a[i];
}
ave = (double)sum / LEN;
printf("%d %g",sum,ave);
return 0;
}
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