제출 #670877

#제출 시각아이디문제언어결과실행 시간메모리
670877LittleCube도시들 (IOI15_towns)C++14
25 / 100
15 ms876 KiB
#include "towns.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

int hubDistance(int N, int sub)
{
	vector<int> disU(N, 0), disV(N, 0);
	int u = 0, v = 0, mx = 0, uv, R = 1e9;
	for (int i = 1; i < N; i++)
	{
		int cur = getDistance(0, i);
		if (cur > mx)
			u = i, mx = cur;
	}
	for (int i = 0; i < N; i++)
		disU[i] = getDistance(u, i);
	mx = 0;
	for (int i = 0; i < N; i++)
		if (disU[i] > mx)
			v = i, mx = disU[i];
	for (int i = 0; i < N; i++)
		disV[i] = getDistance(v, i);
	uv = getDistance(u, v);
	for (int i = 0; i < N; i++)
	{
		int d = (disU[i] + disV[i] - uv) / 2;
		R = min(R, max(disU[i] - d, disV[i] - d));

	}
	return R;
}

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:10:28: warning: unused parameter 'sub' [-Wunused-parameter]
   10 | int hubDistance(int N, int sub)
      |                        ~~~~^~~
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