Submission #115189

#	Time	Username	Problem	Language	Result	Execution time	Memory
115189		ly20	Type Printer (IOI08_printer)	C++14	100 / 100	177 ms	61540 KiB

printer

#include<bits/stdc++.h>
using namespace std;
#define debug(args...) //fprintf(stderr,args)
const int MAXN=25010,MAXL=30;
int trie[MAXN*MAXL][MAXL],vl[MAXN*MAXL],cont[MAXN*MAXL],pos[MAXN*MAXL],end1[MAXN*MAXL],pt[MAXN*MAXL];
int at;
vector<char> rs;
string s1;
string sr;
int tmn;
void tr(int v)
{
	for(int i=0;i<MAXL;i++)
	{
		if(trie[v][i]!=0 && pt[trie[v][i]]!=1)
		{
			rs.push_back(vl[trie[v][i]]+'a');
			if(end1[trie[v][i]])rs.push_back('P');
			tr(trie[v][i]);
			rs.push_back('-');
		}
	}
	int id;
	if(tmn>pos[v])
	{
		id=sr[pos[v]]-'a';
		if(pt[trie[v][id]]==1)
		{
			rs.push_back(vl[trie[v][id]]+'a');
			if(end1[trie[v][id]])rs.push_back('P');
			tr(trie[v][id]);
		}
	}
}
void add(string s)
{
	int cur=0;
	int tm=s.size();
	for(int i=0;i<tm;i++)
	{
		cont[cur]++;
		int id=s[i]-'a';
		if(trie[cur][id]==0)
		{
			trie[cur][id]=++at;
			vl[at]=id;
			pos[at]=i+1;
		}
		cur=trie[cur][id];
	}
	end1[cur]=1;
}
void pt1(string s)
{
	int cur=0;
	int tm=s.size();
	for(int i=0;i<tm;i++)
	{
		int id=s[i]-'a';
		cur=trie[cur][id];
		pt[cur]=1;
	}
}
int main()
{
	int n;
	scanf("%d",&n);
	for(int i=0;i<n;i++)
	{
		cin>>s1;
		if(s1.size()>sr.size())sr=s1;
		add(s1);
	}
	pt1(sr);
	tmn=sr.size();
	tr(0);
	printf("%d\n",rs.size());
	for(int i=0;i<rs.size();i++)printf("%c\n",rs[i]);
	return 0;
}

Compilation message (stderr)

printer.cpp: In function 'int main()':
printer.cpp:77:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<char>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n",rs.size());
                ~~~~~~~~~^
printer.cpp:78:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<rs.size();i++)printf("%c\n",rs[i]);
              ~^~~~~~~~~~
printer.cpp:67:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10