Arrays count.c

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

int main()
{
int n,index,comboctr,count=0,sum=0,elemcount=0,copyindex=0;
scanf("%d",&n);
int arr[n],triparr[n];
for(index=0;index<n;index++)
{
scanf("%d",&arr[index]);
}

for(comboctr=1;comboctr < (1 << n);comboctr++)//for the combination counter (2 power n)-1.
{
for(index=0;index <n;index++)//comparing with our string positon in order to perform the bitwise
operation.
{
if(comboctr & (1 << index))//comparing combo and index ctr,
{
//printf("%c",str[index]);
elemcount++;
sum+=arr[index];
triparr[copyindex++]=arr[index];
}
}

if(sum==0)
{
printf("\n");
for(index=0;index<elemcount;index++)
{
printf("%d",triparr[index]);
}
}
}

//printf("%d",count);

}