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Submission #477886

# Submission time Handle Problem Language Result Execution time Memory
477886 2021-10-04T11:34:46 Z starplat Type Printer (IOI08_printer) C++14
100 / 100
 175 ms 61228 KB 
#include <bits/stdc++.h>
using namespace std;
vector<char> order,ans;
int n,mxlen,ct,vis[550005];
vector<string > tmp;
string s,mxs;
struct node{
	int word,ac[30],go;
}trie[550005];
void add(string x,bool ok)
{
	int curr=0;
	for (int i=0;i<x.length();i++){
		if (!trie[curr].ac[x[i]-'a']) trie[curr].ac[x[i]-'a']=++ct;
		curr=trie[curr].ac[x[i]-'a'];
		trie[curr].go=ok;
		//if (trie[curr].go==true) cout<<curr<<"\n";
	}
	trie[curr].word=1;
}
void dfs(int curr)
{
	vis[curr]=1;
	if (trie[curr].word) ans.push_back('P');
	int dumb=-1;
	for (int i=0;i<26;i++){
		int node=trie[curr].ac[i];
		if (node==0) continue;
		if (vis[node]) continue;
		//if (curr==27) cout<<node<<" "<<trie[node].go<<"\n";
		if (trie[node].go==1) {
			dumb=i;
		//	cout<<trie[node].go<<" "<<curr<<" "<<dumb<<"\n" ;
		}
		else {
			ans.push_back(char(i+'a'));
			dfs(node);
			ans.push_back('-');
		}
 	}
 	//cout<<dumb<<"\n";
 	if (dumb>-1){
 		//cout<<trie[curr].ac[dumb]<<"\n";
 		ans.push_back(char(dumb+'a'));
 		dfs(trie[curr].ac[dumb]);
	 }
}
int main()
{
	cin>>n;
	for (int i=0;i<n;i++){
		cin>>s;
		if (s.length()>mxlen) mxlen=s.length(),mxs=s,tmp.clear();
		else if (s.length()==mxlen){
			tmp.push_back(s);
		}
		add(s,0);
	}
	tmp.push_back(mxs);
	sort(tmp.begin(),tmp.end());
	mxs=tmp[tmp.size()-1];
	add(mxs,1);
	dfs(0);
	//dfs(trie[0].ac[mxs[0]-'a']);
	cout<<ans.size()<<"\n";
	for (char c:ans) cout<<c<<"\n";
}

Compilation message

printer.cpp: In function 'void add(std::string, bool)':
printer.cpp:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for (int i=0;i<x.length();i++){
      |               ~^~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:53:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |   if (s.length()>mxlen) mxlen=s.length(),mxs=s,tmp.clear();
      |       ~~~~~~~~~~^~~~~~
printer.cpp:54:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |   else if (s.length()==mxlen){
      |            ~~~~~~~~~~^~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 716 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1228 KB Output is correct
2 Correct 3 ms 1484 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 3660 KB Output is correct
2 Correct 19 ms 7604 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 9032 KB Output is correct
2 Correct 12 ms 2380 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 22048 KB Output is correct
2 Correct 126 ms 51540 KB Output is correct
3 Correct 76 ms 26384 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 17244 KB Output is correct
2 Correct 175 ms 61228 KB Output is correct
3 Correct 81 ms 29404 KB Output is correct
4 Correct 134 ms 58172 KB Output is correct