mencari total rata-rata dari suatu bilangan

//nama : Muhammad Andi Mubaroq



#include <stdio.h>
#include <stdlib.h>

int main()
{
    int i,a,b,c,f,e,h;
    float d,sum=0,g,ave;

    printf("+============================================+\n");
    printf("+ Total Rata-rata Dari Daftar Suatu Bilangan +\n");
    printf("+============================================+\n");
    printf("Berapa Jumlah Daftar yang dibuat ? ");scanf("%d",&a);
    for (i=1;i<=a;i++)
    {

        printf("\n\nDaftar ke-%d",i);
        printf("\nBerapa banyak Item ? ");scanf("%d",&b);
        for (c=1;c<=b;c++)
        {
            printf("\nX = ");scanf("%d",&f);
                    sum=sum+f;
                    d=sum/c;


        }
                printf("Jumlah = %.2f",sum);
                sum=sum-sum;

                printf("\nRata-ratanya %d= %.2f",i,d);
                 g+=d;


    }

        printf("\n\n+=========================================+\n");
        printf("+   Rata-rata Total = %f            +\n",g);
        printf("+=========================================+\n");
    printf("\n");
    return 0;
}