Submission #396166

# Submission time Handle Problem Language Result Execution time Memory
396166 2021-04-29T14:03:38 Z Berted Type Printer (IOI08_printer) C++14
0 / 100
1000 ms 19108 KB
#include <iostream>

using namespace std;

const int INF = 1e8;

int N; string ans;
int adj[500001][26], cnt[500001], DP[500001], sz = 0;

inline int newNode()
{
	for (int i = 0; i < 26; i++) adj[sz][i] = -1;
	return sz++;
}

inline void insert(int u, int i, const string& s)
{
	if (i < s.size())
	{
		int &v = adj[u][s[i] - 'a'];
		if (v == -1) {v = newNode();}
		insert(v, i + 1, s); DP[u] = max(DP[u], DP[v]) + 1;
	}
	else {cnt[u]++; DP[u] = 1;}
}

inline void solve(int u, bool m)
{
	int hvy = -1;
	for (int i = 0; i < cnt[u]; i++) ans.push_back('P');
	for (int i = 0; i < 26; i++)
	{
		if (adj[u][i] != -1 && m && (hvy == -1 || DP[adj[u][i]] > DP[adj[u][hvy]])) hvy = i;
	}
	for (int i = 0; i < 26; i++)
	{
		if (adj[u][i] != -1 && hvy != i) 
		{
			ans.push_back(i + 'a');
			solve(adj[u][i], 0);
			ans.push_back('-');
		}
	}
	if (hvy != -1) {ans.push_back(hvy + 'a'); solve(adj[u][hvy], 1);}
}

int main()
{
	cin >> N;
	newNode();
	for (int i = 0; i < N; i++) {string S; cin >> S; insert(0, 0, S);}
	solve(0, 1);
	cerr << ans.size() << "\n";
	for (const char &c : ans) cerr << c << "\n";
	return 0;
}

Compilation message

printer.cpp: In function 'void insert(int, int, const string&)':
printer.cpp:18:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  if (i < s.size())
      |      ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 332 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 1096 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 172 ms 3296 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 427 ms 7748 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 1058 ms 19108 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 858 ms 14992 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -