import java.util.ArrayList;
public class Solution {
public ArrayList<ArrayList<Integer> > FindContinuousSequence(int sum){
ArrayList<ArrayList<Integer> > list=new ArrayList<ArrayList<Integer> >();
if(sum < 3){
return list;
}
int first=1;//設定第一個數字
int second=2;//設定最後一個數字
while(first < (sum+1) /2){
ArrayList<Integer> list_sequence = new ArrayList<Integer>();
int count=0;
for(int i=first;i<=second;i++){
count+=i;
}
if(count == sum){
//序列滿足條件
for(int i=first;i<=second;i++){
list_sequence.add(i);
}
first++;
}else if(count > sum){
first++;
}else{
second++;
}
if(list_sequence.size() > 0){
list.add(list_sequence);
}
}
return list;
}
}