Submission #151460

#	Time	Username	Problem	Language	Result	Execution time	Memory
151460		Bodo171	Towns (IOI15_towns)	C++14	25 / 100	21 ms	404 KiB

towns

#include "towns.h"
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

const int nmax=205;

int n;
int d[2][nmax];
int to[nmax],wh[nmax],sz[nmax];
int hubDistance(int N, int sub) {
    int d1=0,R=0,mx=0,d2=0;
    n=N;
    for(int i=0;i<2;i++)
        for(int j=0;j<n;j++)
         d[i][j]=0;
    for(int i=1; i<n; i++)
    {
        d[0][i]=getDistance(0,i);
        if(d[0][i]>d[0][d1])
            d1=i;
    }
    for(int i=0; i<n; i++)
       if(i!=d1)
    {
        d[1][i]=getDistance(d1,i);
        if(d[1][i]>mx)
            mx=d[1][i],d2=i;
    }
    int minDist=(1<<30);
    int lim=d[1][d2]-(d[0][d2]+d[1][d2]-d[0][d1])/2;
    for(int i=0; i<n; i++)
    {
        to[i]=(d[0][i]+d[1][i]-d[0][d1])/2;
        wh[i]=(d[1][i]-to[i]);
        if(max(wh[i],mx-wh[i])<minDist&&wh[i]<=lim)
            minDist=max(wh[i],mx-wh[i]);
    }
    R=minDist;
	return R;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:13:28: warning: unused parameter 'sub' [-Wunused-parameter]
 int hubDistance(int N, int sub) {
                            ^~~

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