제출 #964248

#제출 시각아이디문제언어결과실행 시간메모리
964248PenguinsAreCute전선 연결 (IOI17_wiring)C++17
13 / 100
27 ms3932 KiB
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int detNear(int x, vector<int> &r) {
	int hi = lower_bound(r.begin(),r.end(),x)-r.begin();
	if(hi==r.size()) hi--;
	if(hi && x-r[hi-1]<r[hi]-x) return hi-1;
	else return hi;
}
long long min_total_length(std::vector<int> r, std::vector<int> b) {
	if(r.size()<b.size()) swap(r,b);
	int n = r.size(), m = b.size();
	ll ans = 0;
	for(int i=0;i<n;i++) {
		int meow = detNear(r[i],b);
		meow=max(min(meow,i),m-n+i);
		ans += abs(b[meow] - r[i]);
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'int detNear(int, std::vector<int>&)':
wiring.cpp:7:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  if(hi==r.size()) hi--;
      |     ~~^~~~~~~~~~
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