oj.uz

Submission #936838

# Submission time Handle Problem Language Result Execution time Memory
936838 2024-03-02T19:41:21 Z Irate Type Printer (IOI08_printer) C++14
30 / 100
 38 ms 53008 KB 
#include<bits/stdc++.h>
using namespace std;
struct Trie{
    vector<vector<int>>trie;
    vector<bool>isWord;
    int nxt = 1, mxN = 5e5 + 5;
    string S = "";
    Trie(){
        trie.resize(26);
        for(int i = 0;i < 26;++i){
            trie[i].resize(mxN);
        }
        isWord.resize(mxN);
    }
    void Insert(string &s){
        int cur = 0;
        for(int i = 0;i < s.size();++i){
            if(trie[s[i] - 'a'][cur]){
                cur = trie[s[i] - 'a'][cur];
            }
            else{
                trie[s[i] - 'a'][cur] = nxt;
                cur = nxt;
                nxt++;
            }
        }
        isWord[cur] = 1;
    }
    void Traverse(int cur){
        if(isWord[cur]){
            S += 'P';
            S += '\n';
        }
        for(int i = 0;i < 26;++i){
            if(trie[i][cur]){
                S += char('a' + i);
                S += '\n';
                Traverse(trie[i][cur]);
            }
        }
        S += '-';
        S += '\n';
    }
};
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    Trie tr;
    int mx = 0;
    string longest = "";
    for(int i = 0;i < n;++i){
        string s;
        cin >> s;
        if(s.size() > mx){
            mx = s.size();
            longest = s;
        }
        tr.Insert(s);
    }
    for(int i = 0;i < 26;++i){
        if(longest[0] - 'a' == i || !tr.trie[i][0])continue;
        tr.S += char('a' + i);
        tr.S += '\n';
        tr.Traverse(tr.trie[i][0]);
    }
    tr.S += longest[0];
    tr.S += '\n';
    tr.Traverse(tr.trie[longest[0] - 'a'][0]);
    while(tr.S.back() == '-' || tr.S.back() == '\n')tr.S.pop_back();

    cout << (tr.S.size() + 1) / 2 << "\n" << tr.S;
}

Compilation message

printer.cpp: In member function 'void Trie::Insert(std::string&)':
printer.cpp:17:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(int i = 0;i < s.size();++i){
      |                       ~~^~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:56:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   56 |         if(s.size() > mx){
      |            ~~~~~~~~~^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51288 KB Output is correct
2 Correct 17 ms 51292 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51284 KB Output is correct
2 Correct 17 ms 51292 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 51292 KB Output is correct
2 Incorrect 20 ms 51292 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 51292 KB Output is correct
2 Correct 17 ms 51292 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 51288 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 51544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 51616 KB Output is correct
2 Incorrect 25 ms 51964 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 52208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 53008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 52748 KB Output isn't correct
2 Halted 0 ms 0 KB -