제출 #197616

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
197616		Sakamotoo	Type Printer (IOI08_printer)	C++14	20 / 100	951 ms	44404 KiB

printer

#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

typedef tree < long long ,  null_type ,  less<long long> ,  rb_tree_tag ,  tree_order_statistics_node_update > ordered_set;

#define mp make_pair
#define fi first
#define se second

//mt19937 rng(time(NULL)); //int
mt19937_64 rng(time(NULL)); //Long Long
//shuffle(a.begin(),a.end(),rng); //shuffle
//rng(); //random

struct node{
	node *c[30];
	int val=0;
	int awal=0;
	node *b;
	int cnt=0;
	int maxi=0;
};

node *root= new node;

void ins(string s){
	node *now=root;
	for(int i=0; i<s.size(); i++){
		int ind=s[i]-'a'+1;
		if(now->c[ind]==NULL){
			now->c[ind]=new node;
			now->c[ind]->b=now;
		}
		now=now->c[ind];
		now->val=1;
		now->maxi=max(now->maxi,(int)s.size()-i);
	}
	now->cnt++;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	
	int n;
	cin>>n;
	root->awal=1;
	for(int i=1; i<=n; i++){
		string s;
		cin>>s;
		ins(s);
	}
	int pri=0;
	node *now=root;
	vector<char> v; 
	while(true){
		int ind=0;
		int lol=1e9;
		for(int i=1; i<=26; i++){
			if(now->c[i]==NULL){
				
			}else if(now->c[i]->val>0&&now->c[i]->maxi<lol){
				ind=i;
				lol=now->c[i]->maxi;
			}
		}
		if(ind==0){
			if(now->cnt>0){
				now->cnt--;
				v.push_back('P');
				pri++;
			}else{
				v.push_back('-');
				now=now->b;
			}
		}else {
			v.push_back('a'+ind-1);
			now=now->c[ind];
			now->val--;
		}
		if(pri==n) break; 
	}
	cout<<v.size()<<endl;
	for(int i=0; i<v.size(); i++){
		cout<<v[i]<<endl;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

printer.cpp: In function 'void ins(std::__cxx11::string)':
printer.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<s.size(); i++){
               ~^~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:87:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<v.size(); i++){
               ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10