제출 #556767

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
556767		blue	Towns (IOI15_towns)	C++17	0 / 100	11 ms	352 KiB

towns

#include "towns.h"
#include <vector>
#include <cmath>
#include <set>
#include <iostream>
using namespace std;

namespace
{
	using vi = vector<int>;
}


int hubDistance(int N, int sub) 
{
	vi dist0(N);
	for(int i = 0; i < N; i++)
		dist0[i] = getDistance(0, i);

	int S = 0;
	for(int i = 0; i < N; i++)
		if(dist0[i] > dist0[S])
			S = i;

	vi distS(N);

	int T = 0;
	for(int i = 0; i < N; i++)
	{
		distS[i] = getDistance(S, i);
		if(distS[i] > distS[T])
			T = i;
	}

	vi distT(N);
	for(int i = 0; i < N; i++)
		distT[i] = getDistance(T, i);

	int ST = distS[T];

	int res = 5'000'000;

	for(int i = 0; i < N; i++)
		res = min(res, max(distS[i], dist0[i]) - (distS[i] + dist0[i] - distS[0])/2);

	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:39:6: warning: unused variable 'ST' [-Wunused-variable]
   39 |  int ST = distS[T];
      |      ^~
towns.cpp:14:28: warning: unused parameter 'sub' [-Wunused-parameter]
   14 | int hubDistance(int N, int sub)
      |                        ~~~~^~~

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