Submission #640239

#	Time	Username	Problem	Language	Result	Execution time	Memory
640239		ggoh	Towns (IOI15_towns)	C++14	13 / 100	17 ms	980 KiB

towns

#include "towns.h"
#include<bits/stdc++.h>
using namespace std;
#define sz(v) ((int)(v).size())
typedef long long lint;

int dis[111][111];
int hubDistance(int N, int sub) {
	int maxi=-1,maxj=-1,maxx=-1;
	int R=1e9;
	for(int i=0;i<N;i++)
	{
		for(int j=i+1;j<N;j++)
		{
			dis[i][j]=dis[j][i]=getDistance(i,j);
			if(dis[i][j]>maxx)
			{
				maxx=dis[i][j];
				maxi=i;
				maxj=j;
			}
		}
	}
	vector<int>X;
	for(int i=0;i<N;i++)
	{
		if(i!=maxi && i!=maxj)
		{
			X.push_back((dis[maxi][i]-dis[maxj][i]+maxx)/2);
		}
	}
	sort(X.begin(),X.end());
	for(auto &k:X)
	{
		R=min(R,max(maxx-k,k));
	}

	return R;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:8:28: warning: unused parameter 'sub' [-Wunused-parameter]
    8 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~

• Subtask 1: 13 / 13
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 39