oj.uz

Submission #735273

# Submission time Handle Problem Language Result Execution time Memory
735273 2023-05-03T19:47:58 Z PanosPask Type Printer (IOI08_printer) C++14
100 / 100
 325 ms 54144 KB 
#include <bits/stdc++.h>

using namespace std;

int n;
queue<char> ans;

struct Trie {
    int maxlength = 0;
    int size = 0;
    char maxkid = '\0';
    bool isword = false;
    map<char, Trie> kids;

    void insert(const string& word, int pos)
    {
        size++;
        if
            (pos == word.size()) isword = true;
        else
            kids[word[pos]].insert(word, pos + 1);

        if (word.size() - pos + 1 > maxlength) {
            maxlength = word.size() - pos + 1;
            maxkid = word[pos];
        }
    }


    void calculate_answer(bool leaveit)
    {
        if (isword)
            ans.push('P');
        for (auto kid : kids)
            if (kid.first != maxkid && kid.second.size) {
                ans.push(kid.first);
                kid.second.calculate_answer(false);
                ans.push('-');
            }
        if (maxkid != '\0') {
            ans.push(maxkid);
            kids[maxkid].calculate_answer(leaveit);
            if (!leaveit)
                ans.push('-');
        }
    }
};

Trie t;
int main(void)
{
    ios::sync_with_stdio(false);

    cin >> n;
    string s;
    for (int i = 0; i < n; i++) {
        cin >> s;
        t.insert(s, 0);
    }

    t.calculate_answer(true);

    cout << ans.size() << '\n';
    while(!ans.empty()) {
        cout << ans.front() << '\n';
        ans.pop();
    }

    return 0;
}

Compilation message

printer.cpp: In member function 'void Trie::insert(const string&, int)':
printer.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |             (pos == word.size()) isword = true;
      |              ~~~~^~~~~~~~~~~~~~
printer.cpp:23:35: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |         if (word.size() - pos + 1 > maxlength) {
      |             ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 724 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1108 KB Output is correct
2 Correct 4 ms 1364 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3324 KB Output is correct
2 Correct 32 ms 6856 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 8012 KB Output is correct
2 Correct 14 ms 2008 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 19692 KB Output is correct
2 Correct 325 ms 45884 KB Output is correct
3 Correct 162 ms 26108 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 15548 KB Output is correct
2 Correct 295 ms 54144 KB Output is correct
3 Correct 155 ms 28220 KB Output is correct
4 Correct 297 ms 50512 KB Output is correct