Submission #226653

#	Time	Username	Problem	Language	Result	Execution time	Memory
226653		tushar_2658	Type Printer (IOI08_printer)	C++14	20 / 100	63 ms	53496 KiB

printer

#include "bits/stdc++.h"
using namespace std;

const int maxn = 1000005;
string s[maxn];
int t[maxn][26], ed[maxn], cnt[maxn];
int node = 0;
int par[maxn];

void insert(string s){
	int cur = 0;
	for(auto c : s){
		if(!t[cur][c - 'a']){
			t[cur][c - 'a'] = ++node;
		}
		par[t[cur][c - 'a']] = cur;
		cur = t[cur][c - 'a'];
	}
	ed[cur] = 1;
}

vector<char> v;

void get(int cur){
	cnt[cur] = 1;
	for(int i = 0; i < 26; ++i){
		if(t[cur][i]){
			get(t[cur][i]);
			cnt[cur] = max(cnt[cur], cnt[t[cur][i]] + 1);
		}
	}
}

void dfs(int cur){
	if(ed[cur]){
		v.push_back('P');
		return;
	}
	vector<pair<int, int>> vv;
	for(int i = 0; i < 26; ++i){
		if(t[cur][i]){
			vv.push_back(make_pair(cnt[t[cur][i]], i));
		}
	}
	sort(vv.begin(), vv.end());
	for(auto i : vv){
		v.push_back((char)(i.second + 'a'));
		dfs(t[cur][i.second]);
		v.push_back('-');
	}
}

int main(int argc, char const *argv[])
{
//	freopen("in.txt", "r", stdin);
	int n;
	cin >> n;
	memset(par, -1, sizeof par);
	for(int i = 0; i < n; ++i){
		cin >> s[i];
		insert(s[i]);
	}
	get(0);
	dfs(0);
	while(v.back() == '-')v.pop_back();
	cout << v.size() << endl;
	for(auto i : v){
		cout << i << endl;
	}

	return 0;
}

• 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