oj.uz

Submission #850054

# Submission time Handle Problem Language Result Execution time Memory
850054 2023-09-15T16:57:07 Z dshfjka Type Printer (IOI08_printer) C++14
100 / 100
 998 ms 57788 KB 
#include <bits/stdc++.h>
#define LL long long
using namespace std;
vector<char>v;
int dp[500001];
// kata terpanjang dimaksukin nanti aja bos
int cnt[500001];
struct Trie{
	int masuk=0;
	struct node{
		
		int child[26];
	};
	vector<node>t;
	Trie(){
		t.emplace_back();
	}
	void insert(int depth ,int pos,const string& s)
	{
		if(depth==s.length())
		{
			cnt[pos]++;
			return;
		}
		if(!t[pos].child[s[depth]-'a']){
			t[pos].child[s[depth]-'a']=t.size();
			t.emplace_back();
		}
		insert(depth+1,t[pos].child[s[depth]-'a'],s);
		dp[pos]=max(dp[pos],dp[t[pos].child[s[depth]-'a']]+1);
	//	t[pos].cnt++;
	}
	void query( int pos, bool status)
	{
//		if(++masuk ==60)exit(0);
	//	cout<<"pos :"<<pos<<"  status :"<<status<<endl;
		bool masuk=0;
		int maks=-1,ket=-1;
		for(int i=0;i<cnt[pos];i++)v.push_back('P');
		if(status==1)
		{
			for(int a=0;a<26;a++)
			{
				if(t[pos].child[a])
				{
					if(dp[t[pos].child[a]]>maks)
					{
						maks=dp[t[pos].child[a]];
						ket=a;
					}
				}
			}
		}
	//	printf("maks=%d dan ket=%c\n",maks,ket+'a');
		for(int a=0;a<26;a++)
		{
			
			if(t[pos].child[a] && ket!=a)
			{
				masuk=1;
			//	printf("MASUK dengan %c \n",a+'a');
				masuk=1;
				v.push_back(a+'a');
				query(t[pos].child[a],0);
				v.push_back('-');
			}
			
		}
		if(status && ket!=-1)
		{
			masuk=1;
			v.push_back(ket+'a');
			query(t[pos].child[ket],1);
		}
		
	}
};
int main()
{
	 ios::sync_with_stdio(false);
	 cin.tie(0);
	 cout.tie(0);
	int n;
	cin>>n;
	Trie trie;
	for(int a=1;a<=n;a++)
	{
		string x;
		cin>>x;
		trie.insert(0,0,x);
	}
	trie.query(0,1);
	cout<<v.size()<<endl;
	for(char a:v)cout<<a<<endl;
}

Compilation message

printer.cpp: In member function 'void Trie::insert(int, int, const string&)':
printer.cpp:20:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   if(depth==s.length())
      |      ~~~~~^~~~~~~~~~~~
printer.cpp: In member function 'void Trie::query(int, bool)':
printer.cpp:37:8: warning: variable 'masuk' set but not used [-Wunused-but-set-variable]
   37 |   bool masuk=0;
      |        ^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 600 KB Output is correct
2 Correct 9 ms 1032 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 1332 KB Output is correct
2 Correct 21 ms 2192 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 3916 KB Output is correct
2 Correct 130 ms 8648 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 8908 KB Output is correct
2 Correct 44 ms 2192 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 383 ms 29876 KB Output is correct
2 Correct 864 ms 56240 KB Output is correct
3 Correct 447 ms 30144 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 311 ms 16068 KB Output is correct
2 Correct 998 ms 57788 KB Output is correct
3 Correct 505 ms 28864 KB Output is correct
4 Correct 962 ms 57788 KB Output is correct