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Submission #226659

# Submission time Handle Problem Language Result Execution time Memory
226659 2020-04-24T17:11:11 Z tushar_2658 Type Printer (IOI08_printer) C++14
80 / 100
 1000 ms 83056 KB 
#include "bits/stdc++.h"
using namespace std;

const int maxn = 1000000;
string s[maxn];
int t[maxn][26], ed[maxn], cnt[maxn];
int node = 0;
int par[maxn];

void insert(string ss){
	int cur = 0;
	int sz = ss.size();
	for(int i = 0; i < sz; ++i){
		int idx = ss[i] - 'a';
		if(t[cur][idx] == 0){
			t[cur][idx] = ++node;
		}
		cur = t[cur][idx];
	}
	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]){
		ed[cur] = 0;
		v.push_back('P');
	}
	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());
	int sz = vv.size();
	for(int i = 0; i < sz; ++i){
		v.push_back((char)(vv[i].second + 'a'));
		dfs(t[cur][vv[i].second]);
		v.push_back('-');
	}
}

int main(int argc, char const *argv[])
{
//	freopen("in.txt", "r", stdin);
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	int n;
	cin >> n;
	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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 31616 KB Output is correct
2 Correct 21 ms 31616 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 31616 KB Output is correct
2 Correct 20 ms 31744 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 31744 KB Output is correct
2 Correct 20 ms 31744 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 31744 KB Output is correct
2 Correct 20 ms 31616 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31744 KB Output is correct
2 Correct 36 ms 32128 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 32632 KB Output is correct
2 Correct 65 ms 32768 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 34568 KB Output is correct
2 Correct 256 ms 38136 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 296 ms 39292 KB Output is correct
2 Correct 93 ms 33400 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 681 ms 50644 KB Output is correct
2 Execution timed out 1100 ms 74988 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 569 ms 46580 KB Output is correct
2 Execution timed out 1099 ms 83056 KB Time limit exceeded
3 Halted 0 ms 0 KB -