제출 #73002

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
73002		Kmcode	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	132 ms	7828 KiB

railroad

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

	vector<pair<int,int> > v;
	 
	long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
	    int n = (int) s.size();
	    for(int i=0;i<n;i++){
			if(s[i]==t[i])continue;
			v.push_back(make_pair(s[i],1));
			v.push_back(make_pair(t[i],0));
		}
		sort(v.begin(),v.end());
		reverse(v.begin(),v.end());
		bool ok=false;
		int stk=0;
		int en=0;
		for(int i=0;i<v.size();i++){
			if(v[i].second==1){
				stk++;
			}
			else{
				if(stk){
					stk--;
					continue;
				}
				if(stk==0){
						if(en==0){
							en=1;
							break;
						}
						ok=true;
						break;
				}
			}
		}
		return 1;
	    return ok;
	}
	

컴파일 시 표준 에러 (stderr) 메시지

railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<v.size();i++){
               ~^~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36