#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main() {

    int a[20];
    float max_ar=0;
    float c=0,s=0;
    for (int i = 0; i < 20; ++i)
    {
        a[i]=rand()%(50+50+1)-50;
        if (a[i]<0)
        {
            s+=a[i];
            c+=1;
        }else if(abs(s)/c>max_ar || max_ar==0)
            {
                max_ar=abs(s)/c;
                c=0;
                s=0;
            }
    }
    printf("Ishodny massiv: ");
    for (int i = 0; i <20 ; ++i) printf("%d ",a[i]);

  printf("\n%f",max_ar);
    return 0;
}