Submission #1067571

#	Time	Username	Problem	Language	Result	Execution time	Memory
1067571		codexistent	Type Printer (IOI08_printer)	C++14	20 / 100	381 ms	111224 KiB

printer

#include <bits/stdc++.h>
using namespace std;
#define MAXN 25005
#define ll long long
#define FOR(i, a, b) for(ll i = a; i <= b; i++)

struct Trie{
    ll nx[26], ct = 0, prev_idx = -1;
    Trie () {
        FOR(i, 0, 25) nx[i] = -1;
    }
};

ll n, trie_idx = 1;
Trie trie[500005];
vector<char> r[26];

void recurse(ll idx, ll t){
    FOR(i, 0, 25){
        if(trie[idx].nx[i] != -1) {
            r[t].push_back('a' + i);
            recurse(trie[idx].nx[i], t);
            r[t].push_back('-');
        }
    }

    FOR(i, 1, trie[idx].ct) r[t].push_back('P');
}

int main(){
    cin >> n;
    FOR(i, 1, n){
        string s;
        cin >> s;

        ll ptr = 0;
        for(char c : s){
            if(trie[ptr].nx[c - 'a'] == -1){
                trie[ptr].nx[c - 'a'] = trie_idx;
                trie[trie_idx].prev_idx = ptr;
                trie_idx++;
            }
            ptr = trie[ptr].nx[c - 'a'];
        }
        trie[ptr].ct++;
    }

    ll s = 0, mx = 0, mxid = -1;
    FOR(i, 0, 25){
        if(trie[0].nx[i] != -1) {
            r[i].push_back('a' + i);
            recurse(trie[0].nx[i], i);
            r[i].push_back('-');
        }

        s += r[i].size();
        ll mxi = 0, j = (int)r[i].size() - 1;

        while(j >= 0 && r[i][j] == '-'){
            j--;
            mxi++;
        }
        if(mxi > mx){
            mx = mxi;
            mxid = i;
        }
    }

    cout << (s - mx) << endl;
    FOR(i, 0, 25){
        if(i != mxid){
            for(char c : r[i]){
                cout << c << endl;
            }
        }
    }

    if(mxid != -1){
        FOR(j, 0, (int)r[mxid].size() - 1 - mx){
            cout << r[mxid][j] << endl;
        }
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10