uva122-Trees on the level

#include <iostream>
#include <cstdio>
#include <string>
#include <map>
#include <algorithm>
using namespace std;
const int N=260;
string str[N];
bool ffflag=true;
struct Node{
    string num;
    string dir;
};
bool cmp(Node a,Node b)
{
    if(a.dir.length()==b.dir.length()){
        if(a.dir==b.dir) ffflag=false;
        return a.dir<b.dir;
    }
    return a.dir.length()<b.dir.length();
}
int main()
{
    string str[N];
    while(cin>>str[0]){
        ffflag=true;
        Node point[N];
        int counter=1;
        if(str[0]=="()"){
            cout<<"not complete"<<endl;
            continue;
        }
        while(cin>>str[counter]){
            if(str[counter]=="()") break;
            counter++;
        }
        int i,j,k;
        for(i=0;i<counter;i++){
            for(j=1;j<str[i].length();j++){
                    if(str[i][j]==',') break;
            }
            point[i].num=str[i].substr(1,j-1);
            for(k=j;k<str[i].length();k++){
                    point[i].dir=str[i].substr(j+1,str[i].length()-j-2);
                    if(point[i].dir.length()==0) point[i].dir=" ";
            }
        }

        sort(point,point+counter,cmp);
        bool flag=true,fflag=false;
        for(i=0;i<counter;i++){
            if(point[i].dir.length()>1){
                flag=false;
                string s=point[i].dir.substr(0,point[i].dir.length()-1);
                for(j=0;j<counter;j++){
                    if(point[j].dir==s){
                        flag=true;
                        break;
                    }
                }
                if(flag==false) break;
            }
            if(point[i].dir.length()==1){
                if(point[i].dir==" "){
                    fflag=true;
                }
            }
        }
        if(!flag|| !fflag || !ffflag) cout<<"not complete";
        else{
           for(i=0;i<counter;i++){
                cout<<point[i].num;
                if(i<counter-1){
                    cout<<" ";
                }
           }
        }
        cout<<endl;

    }
    return 0;
}