Submission #1002590

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002590		vjudge1	Type Printer (IOI08_printer)	C++14	0 / 100	30 ms	18636 KiB

printer

#include <bits/stdc++.h>
using namespace std;
const int sz=5e5+1;
int trie[sz][26];
int bitdi[sz];
int last=0,cnt=0;
vector<char> cvb;
int n;
void qur(string s){
    int curr=0;
    for(auto &i : s){
        if(trie[curr][i - 'a'])curr = trie[curr][i - 'a'];
        else curr = trie[curr][i - 'a'] = ++last;
    }
    bitdi[curr]++;
}

void dfs(int node){
    if(bitdi[node]){
        for(int i=0;i<bitdi[node];++i)cvb.push_back('p');
        cnt += bitdi[node];
    }
    if(cnt == n)return;
    for(int i=0;i<26;++i){
        if(trie[node][i]){
            cvb.push_back(char('a' + i));
            dfs(trie[node][i]);
        }
    }
    cvb.push_back('-');
}

int main(){
    cin >> n;
    string a;
    for(int i=0;i<n;++i){
        cin >> a;
        qur(a);
    }
    dfs(0);
    cout << cvb.size() << '\n';
    for(auto &i : cvb)cout << i << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 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