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Submission #1040960

# Submission time Handle Problem Language Result Execution time Memory
1040960 2024-08-01T12:50:42 Z ArthuroWich Type Printer (IOI08_printer) C++17
100 / 100
 791 ms 94484 KB 
#include <bits/stdc++.h>
using namespace std;
int trie[750005][26], le[750005][26], co = 1, en[750005];
vector<char> ans;
void insert(string s) {
    int n = 0;
    for (int i = 0; i < s.length(); i++) { 
        char c = s[i];
        le[n][c-'a'] = max(le[n][c-'a'], (int)s.length()-i);
        if (!trie[n][c-'a']) {
            trie[n][c-'a'] = co;
            co++;
        }
        n = trie[n][c-'a'];
    }
    en[n] = 1;
}
void dfs(int a) {
    if (en[a]) {
        ans.push_back('P');
    }
    vector<pair<int, int>> v;
    for (int i = 0; i < 26; i++) {
        if (trie[a][i]) {
            v.push_back({le[a][i], i});
        }
    }
    sort(v.begin(), v.end());
    for (auto [_, i] : v) {
        ans.push_back((char)(i+'a'));
        dfs(trie[a][i]);
        ans.push_back('-');
    }
}
void solve() {
    int n;
    cin >> n;   
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        insert(s);
    }
    dfs(0);
    while(!ans.empty() && ans.back() == '-') {
        ans.pop_back();
    }
    cout << ans.size() << endl;
    for (char c : ans) {
        cout << c << endl;
    }
}
int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    t = 1;
    while(t--) {
        solve();
    }
}

Compilation message

printer.cpp: In function 'void insert(std::string)':
printer.cpp:7:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for (int i = 0; i < s.length(); i++) {
      |                     ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 7 ms 1116 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 1916 KB Output is correct
2 Correct 16 ms 2136 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 5724 KB Output is correct
2 Correct 133 ms 13868 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 16088 KB Output is correct
2 Correct 47 ms 3416 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 321 ms 36308 KB Output is correct
2 Correct 662 ms 79776 KB Output is correct
3 Correct 360 ms 42008 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 237 ms 28880 KB Output is correct
2 Correct 791 ms 94484 KB Output is correct
3 Correct 385 ms 47568 KB Output is correct
4 Correct 759 ms 89552 KB Output is correct