Submission #573022

#	Time	Username	Problem	Language	Result	Execution time	Memory
573022		a_aguilo	Type Printer (IOI08_printer)	C++14	20 / 100	53 ms	13692 KiB

printer

#include<bits/stdc++.h>

using namespace std;

struct nodo{
    char letra;
    int max_prof;
    vector<nodo*> listaAdy;
    nodo(char c){
        letra = c;
        max_prof = 0;
    }
};

struct nodo_smaller{
    bool operator()(nodo* const &n1, nodo* const &n2) const {
        return n1->max_prof < n2->max_prof;
    }
};
//sort(V.begin(),V.end(), nodo_smaller{});

int construir(int pos, string& S, nodo* prev){
    if(pos == S.size()) return 0;
    nodo* act = NULL;
    for(nodo* vecino: prev->listaAdy){
        if(vecino->letra == S[pos]) act = vecino;
    }
    if(act == NULL){
        act = new nodo(S[pos]);
        prev->listaAdy.push_back(act);
    }
    act->max_prof = max(act->max_prof, 1 +construir(pos+1, S, act));
    return act->max_prof;
}

string type_printer (nodo* act, bool last){
    string ans = "";
    if(act->letra != '.') ans.push_back(act->letra);
    if (act->listaAdy.size()== 0){
        ans.push_back('P');
    }
    else{
        sort(act->listaAdy.begin(), act->listaAdy.end(), nodo_smaller{});
        for(int i = 0; i < act->listaAdy.size()-1; ++i){
            ans = ans + type_printer(act->listaAdy[i], false);
        }
        ans = ans + type_printer(act->listaAdy[act->listaAdy.size()-1], last);
    }
    if(!last and (act->letra !='.')) ans.push_back('-');
    return ans;
}

int main(){
    int n;
    string S;
    cin >> n;
    nodo inicio = nodo('.');
    for(int i = 0; i < n; ++i){
        cin >> S;
        construir(0, S, &inicio);
    }
    string res = type_printer(&inicio, true);
    cout << res.size() << '\n';
    for(char c: res) cout << c << '\n';
    return 0;
}

Compilation message (stderr)

printer.cpp: In function 'int construir(int, std::string&, nodo*)':
printer.cpp:23:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     if(pos == S.size()) return 0;
      |        ~~~~^~~~~~~~~~~
printer.cpp: In function 'std::string type_printer(nodo*, bool)':
printer.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<nodo*>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int i = 0; i < act->listaAdy.size()-1; ++i){
      |                        ~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10