#include <stdio.h>
#include <stdlib.h>
int main(void) {
int i,n,x,c,d,swap,sum=0,j;
while(n--)
{
int *a
=(int*)malloc(sizeof(int)*x
); for(i=0;i<x;i++)
// for(i=0;i<x;i++)
// printf("%d",a[i]);
for (c = 0 ; c < ( x - 1 ); c++)
{
for (d = 0 ; d < x - c - 1; d++)
{
if (a[d] < a[d+1])
{
swap = a[d];
a[d] = a[d+1];
a[d+1] = swap;
}
}
}
//for(i=0;i<x;i++)
// printf("%d\n",a[i]);
j=x-1;
i=0;
while(i<=j)
{
if(1+i>j)
{sum=sum+a[0+i];
break;}
else
{
sum=a[0+i]+a[1+i]+sum;
i=i+4;
}
}
sum=0;
}
return 0;
}
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