File size: 514 Bytes
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public class Subset{
static int count = 0;
static void sub_sum(int list[], int sum, int start, int target)
{
if(target == sum)
{
count++;
if(start<list.length)
sub_sum(list,sum-list[start-1],start,target);
}
else
{
for(int i=start; i<list.length; i++){
sub_sum(list, sum+list[i], i+1,target);
}
}
}
public static void main(String[] args){
int list[] = {1,1,1,1,1};
sub_sum(list,0,0,3);
System.out.println(count);
}
}
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