public:
vector<vector<int> > FindContinuousSequence(int sum) {
vector<vector<int>> a;
int res = 0;
if(sum == 0){
return a;
}
for(int i = 1; i < sum; i++){
int j = i;
vector<int> tmp;
res = 0;
while(res <= sum){
res += j;
tmp.push_back(j);
if(res == sum){
a.push_back(tmp);
break;
}
j++;
}
}
return a;
}
};