Introduction - If you have any usage issues, please Google them yourself
Cnt main(int argc, char* argv[]){
string filename = "source.txt"
DecisionTree dt
int attr_node = 0
TreeNode* treeHead = nullptr
set<int> readLineNum
vector<int> readClumNum
int deep = 0
if (dt.pretreatment(filename, readLineNum, readClumNum) == 0)
{
dt.CreatTree(treeHead, dt.getStatTree(), dt.getInfos(), readLineNum, readClumNum, deep)
}