Submission #503081

#	Time	Username	Problem	Language	Result	Execution time	Memory
503081		tabr	Type Printer (IOI08_printer)	C++17	100 / 100	249 ms	5580 KiB

printer

#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<string> s(n);
    string t;
    for (int i = 0; i < n; i++) {
        cin >> s[i];
        if (t.size() < s[i].size()) {
            t = s[i];
        }
    }
    vector<vector<int>> a(t.size(), vector<int>(26));
    for (int i = 0; i < (int) t.size(); i++) {
        iota(a[i].begin(), a[i].end(), 0);
        a[i][t[i] - 'a'] = 100;
    }
    sort(s.begin(), s.end(), [&](string xx, string yy) {
        vector<int> x;
        for (int i = 0; i < (int) xx.size(); i++) {
            x.emplace_back(a[i][xx[i] - 'a']);
        }
        vector<int> y;
        for (int i = 0; i < (int) yy.size(); i++) {
            y.emplace_back(a[i][yy[i] - 'a']);
        }
        return x < y;
    });
    string ans;
    t = "";
    for (int i = 0; i < n; i++) {
        while (!t.empty() && s[i].find(t) != 0) {
            ans.push_back('-');
            t.pop_back();
        }
        while (s[i] != t) {
            ans.push_back(s[i][t.size()]);
            t.push_back(s[i][t.size()]);
        }
        ans.push_back('P');
    }
    cout << ans.size() << '\n';
    for (char c : ans) {
        cout << c << '\n';
    }
    return 0;
}

• 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