#include#include#includeint main(){ int sum = 2; int flag = 0; int i, j,m=1; float x; for(i=3;i<100;i++) { for(j=2;j { if(i%j==0) { flag = 1; break; } } if(flag == 0){ sum += i; m++; } flag = 0; } x = sum/m; printf("%f",x); return 0;}
