제출 #73234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
73234		nvmdava	전선 연결 (IOI17_wiring)	C++17	0 / 100	3 ms	620 KiB

wiring

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

int a[200001];

long long min_total_length(std::vector<int> r, std::vector<int> b) {
	
	if(r.back() < b.back()){
		swap(r, b);
	}
	
	a[0] = 0;
	a[b.size()] = r.size();
	long long ans = 0;
	for(int i = 1; i < b.size(); i++){
		a[i] = upper_bound(r.begin(), r.end(), (b[i] + b[i - 1]) / 2) - r.begin();
	}
	for(int i = 0; i < b.size(); i++){
		for(int j = a[i]; j < a[i + 1]; j++){
			ans += (long long) abs(r[j] - b[i]);
		}
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:16:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 1; i < b.size(); i++){
                 ~~^~~~~~~~~~
wiring.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < b.size(); i++){
                 ~~^~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45