Submission #158654

#	Time	Username	Problem	Language	Result	Execution time	Memory
158654		oolimry	Towns (IOI15_towns)	C++14	13 / 100	21 ms	1016 KiB

towns

#include "towns.h"
#include <bits/stdc++.h>
using namespace std;

int hubDistance(int N, int sub) {
	int n = N;
	int arr[n];
	int aL = 0;
	int a = 0;
	for(int i = 0;i < n;i++){
		arr[i] = getDistance(0,i);
		if(arr[i] > aL){
			aL = arr[i];
			a = i;
		}
	}
	int bL = 0;
	int b = 0;
	for(int i = 0;i < n;i++){
		arr[i] = getDistance(a,i);
		if(arr[i] > bL){
			bL = arr[i];
			b = i;
		}
	}
	
	//return a * 100000 + b;
	int ans = 10234567;
	
	int sum = getDistance(a,b);
	for(int i = 0;i < n;i++){
		int k = getDistance(i,a);
		int q = getDistance(i,b);
		//int sum = k + q;
		int diff = abs(k - q);
		int x = (sum + diff) / 2;
		int y = sum - x;
		ans = min(ans,max(x,y));
	}
	return ans;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:5:28: warning: unused parameter 'sub' [-Wunused-parameter]
 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