program membuat jumlah dan rata2 menggunakan for

#include <stdio.h>
#include <conio.h>
int main(){
    int a,c,g,i,z,rx,ry,;
    int x[20]={2,7,20,9,0,30,125,200,210,45,798,90,137,25,27,90,8,9};
    int y[15]={12,75,2,9,8,30,45,79,90,13,25,9};
    for(a=0;a<=19;a++){
    if(x[i]==0)continue; g=a-2;
    z+=x[a];}
    printf("jumlah nilai a; %d\n",z);
    printf("jumlah x; %d\n",g);
    rx = z/g;
    printf("rata-rata x; %d",rx);
   
    for(a=0;a<=12;a++){
    if(y[i]==0)continue;                  
    c += y[a];}
    printf("\njumlah nilai y; %d\n",c);
    printf("jumlah y; %d\n",a);
    ry = c/a;
    printf("rata-rata y; %d",ry);
  getch();
  return(0);
 
 
}
  
   
   

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