Submission #832616

#	Time	Username	Problem	Language	Result	Execution time	Memory
832616		aymanrs	Towns (IOI15_towns)	C++14	13 / 100	15 ms	948 KiB

towns

#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
int hubDistance(int N, int sub) {
	int d[N][N];
	int wi = 0, wj = 1, m = 0;
	for(int i = 0;i < N;i++) {
		d[i][i] = 0;
		for(int j = i+1;j < N;j++) {
			d[i][j] = d[j][i] = getDistance(i, j);
			if(d[i][j] > m){
				m = d[i][j];
				wi = i;
				wj = j;
			}
		}
	}
	for(int i = 0;i < N;i++){
		if(i == wi || i == wj) continue;
		int dlca = (d[i][wi]+d[i][wj]-d[wi][wj])/2;
		m = min(m, max(d[i][wi]-dlca, d[i][wj]-dlca));
	}
	return m;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:4:28: warning: unused parameter 'sub' [-Wunused-parameter]
    4 | 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