Submission #116713

#	Time	Username	Problem	Language	Result	Execution time	Memory
116713		tselmegkh	Type Printer (IOI08_printer)	C++14	100 / 100	163 ms	98552 KiB

printer

#include<bits/stdc++.h>
using namespace std;

#define INF 1e9
#define MAX 100005
#define xx first
#define yy second
#define pb push_back
#define mp make_pair
#define ull long long
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define nl '\n'
#define zai <<' '<<
#define all(a) a.begin(),a.end()
typedef vector<int> vi;
typedef pair<int,int> ii;
typedef vector<ii> vii;

int total;
struct Trie{
	bool islast;
	bool isleaf;
	Trie *next[26];
	Trie(){
		for(int i=0;i<26;i++){
			next[i]=NULL;
			islast=0;
			isleaf=0;
		}
	}
};
void insert(Trie* root,string str,int sz){
	for(int i=0;i<sz;i++){
		if(root->next[str[i]-'a']==NULL){
			root->next[str[i]-'a']=new Trie();
			total+=2;
		}
		root=root->next[str[i]-'a'];
	}
	root->isleaf=1;
}
void longestmark(Trie* root,string word){
	for(int i=0;i<word.size();i++){
		root->next[word[i]-'a']->islast=1;
		root=root->next[word[i]-'a'];
	}
}
void Print(Trie* root){
	for(int i=0;i<26;i++){
		if(root->next[i]!=NULL && !root->next[i]->islast){
			cout << char(i+'a') << nl;
			if(root->next[i]->isleaf){
				cout << "P" << nl;
			}
			Print(root->next[i]);
			cout << "-" << nl;
		}
	}
}
int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	int n;
	string word,longest="";
	cin >> n;
	Trie *root=new Trie();
	int printtimes=n;
	while(n--){
		cin >> word;
		if(word.size()>longest.size()){
			longest=word;
		}
		insert(root,word,word.size());
	}
	longestmark(root,longest);
	cout << total-longest.size()+printtimes << nl;
	Print(root);
	for(int i=0;i<longest.size();i++){
		cout << longest[i] << nl;
		Print(root->next[longest[i]-'a']);
		if(root->next[longest[i]-'a']->isleaf){
			cout << "P" << nl;
		}
		root=root->next[longest[i]-'a'];
	}
	return 0;
}

Compilation message (stderr)

printer.cpp: In function 'void longestmark(Trie*, std::__cxx11::string)':
printer.cpp:43:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<word.size();i++){
              ~^~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:77:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<longest.size();i++){
              ~^~~~~~~~~~~~~~~

• 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