Submission #877013

#	Time	Username	Problem	Language	Result	Execution time	Memory
877013		StefanL2005	Type Printer (IOI08_printer)	C++14	100 / 100	42 ms	5072 KiB

printer

#include <bits/stdc++.h>
using namespace std;
 
struct LetterPoz{
    int poz, length;
};
 
bool rule(LetterPoz A, LetterPoz B)
{
    if (A.length == B.length)
        return A.poz < B.poz;
    return A.length < B.length;
}
 
int Similarities(string A, string B)
{
    int lA = A.length(), lB = B.length(), nr = 0;
 
    for (int i = 0; i < min(lA, lB); i++)
        if (A[i] == B[i])
            nr++;
        else
            break;
 
    return nr;
}

void MoveBiggestLast (vector<string> &EndStrings, int MaxSize, vector<char> &Commands)
{
    int GetPoz = 0;
    for (int i = 0; i < EndStrings.size(); i++)
        if (EndStrings[i].size() == MaxSize)
            GetPoz = i;
    
    vector<string> Str = EndStrings; 
    int level =  1;
    string Last = "";
    int nr = Str.size();

    do
    {
        vector<string> Finishes;

        for (int i = 0; i < Str.size(); i++)
        {
            if (Str[i] == "")
                continue;
            if (EndStrings[GetPoz].substr(0, level) == Str[i].substr(0, level))
            {    
                if (Str[i].size() == level)
                {
                    Finishes.push_back(Str[i]);
                    Str[i] = "";
                    nr--;
                }

                continue;
            }

            int sim = Similarities(Str[i], Last);
 
            for (int j = 0; j < Last.length() - sim; j++)
                Commands.push_back('-');
            for (int j = sim; j < Str[i].length(); j++)
                Commands.push_back(Str[i][j]);
            Commands.push_back('P');

            Last = Str[i];
            Str[i] = "";
            nr--;
        }

        for (int i = 0; i < Finishes.size(); i++)
        {
            int sim = Similarities(Finishes[i], Last);
 
            for (int j = 0; j < Last.length() - sim; j++)
                Commands.push_back('-');
            for (int j = sim; j < Finishes[i].length(); j++)
                Commands.push_back(Finishes[i][j]);
            Commands.push_back('P');

            Last = Finishes[i];
        }

        level++;
    }while (nr != 0);
}
 
int main()
{
    ios_base :: sync_with_stdio(false);

    int N;
    cin>> N;
    vector<string> To_Print(N);
    vector<char> Commands;
    for (int i = 0; i < N; i++)
        cin>> To_Print[i];
 
    sort(To_Print.begin(), To_Print.end());
 
    char FinalLetter;
    int MaxSize = 0;

    for (int i = 0; i < N; i++)
    {
        if (To_Print[i].size() > MaxSize)
        {
            MaxSize = To_Print[i].size();
            FinalLetter = To_Print[i][0];
        }
    }   

    string Last = "";
    for (int i = 0; i < N; i++)
    {
        if (To_Print[i][0] == FinalLetter)
            continue;

        int sim = Similarities(To_Print[i], Last);
 
        for (int j = 0; j < Last.length()- sim; j++)
            Commands.push_back('-');
        for (int j = sim; j < To_Print[i].length(); j++)
            Commands.push_back(To_Print[i][j]);
        Commands.push_back('P');
 
        Last = To_Print[i];
    }
    
    if (Last != "")
        for (int i = 0; i < Last.size(); i++)
            Commands.push_back('-');

    vector<string> EndStrings;
    for (int i = 0; i < N; i++)
        if (To_Print[i][0] == FinalLetter)
            EndStrings.push_back(To_Print[i]);

    MoveBiggestLast(EndStrings, MaxSize, Commands);

    cout<< Commands.size() << "\n";
    for (int i = 0; i < Commands.size(); i++)
        cout<< Commands[i] << "\n";
    
    return 0;
}

Compilation message (stderr)

printer.cpp: In function 'void MoveBiggestLast(std::vector<std::__cxx11::basic_string<char> >&, int, std::vector<char>&)':
printer.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for (int i = 0; i < EndStrings.size(); i++)
      |                     ~~^~~~~~~~~~~~~~~~~~~
printer.cpp:32:34: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   32 |         if (EndStrings[i].size() == MaxSize)
      |             ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
printer.cpp:44:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for (int i = 0; i < Str.size(); i++)
      |                         ~~^~~~~~~~~~~~
printer.cpp:50:35: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |                 if (Str[i].size() == level)
      |                     ~~~~~~~~~~~~~~^~~~~~~~
printer.cpp:62:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for (int j = 0; j < Last.length() - sim; j++)
      |                             ~~^~~~~~~~~~~~~~~~~~~~~
printer.cpp:64:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |             for (int j = sim; j < Str[i].length(); j++)
      |                               ~~^~~~~~~~~~~~~~~~~
printer.cpp:73:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for (int i = 0; i < Finishes.size(); i++)
      |                         ~~^~~~~~~~~~~~~~~~~
printer.cpp:77:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |             for (int j = 0; j < Last.length() - sim; j++)
      |                             ~~^~~~~~~~~~~~~~~~~~~~~
printer.cpp:79:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |             for (int j = sim; j < Finishes[i].length(); j++)
      |                               ~~^~~~~~~~~~~~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:108:32: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  108 |         if (To_Print[i].size() > MaxSize)
      |             ~~~~~~~~~~~~~~~~~~~^~~~~~~~~
printer.cpp:123:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |         for (int j = 0; j < Last.length()- sim; j++)
      |                         ~~^~~~~~~~~~~~~~~~~~~~
printer.cpp:125:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |         for (int j = sim; j < To_Print[i].length(); j++)
      |                           ~~^~~~~~~~~~~~~~~~~~~~~~
printer.cpp:133:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  133 |         for (int i = 0; i < Last.size(); i++)
      |                         ~~^~~~~~~~~~~~~
printer.cpp:144:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  144 |     for (int i = 0; i < Commands.size(); i++)
      |                     ~~^~~~~~~~~~~~~~~~~
printer.cpp:138:9: warning: 'FinalLetter' may be used uninitialized in this function [-Wmaybe-uninitialized]
  138 |         if (To_Print[i][0] == FinalLetter)
      |         ^~

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