Submission #52109

#	Time	Username	Problem	Language	Result	Execution time	Memory
52109		spencercompton	Towns (IOI15_towns)	C++17	13 / 100	25 ms	740 KiB

towns

#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
int hubDistance(int N, int sub) {

	pair<int, int > best = make_pair(-1,-1);
	//first is dist, second is ind
	for(int i = 1; i<N; i++){
		pair<int, int> now = make_pair(getDistance(0,i),i);
		best = max(best,now);
	}
	int first = best.second;
	best = make_pair(-1,-1);
	for(int i = 0; i<N; i++){
		if(i==first){
			continue;
		}
		pair<int, int> now = make_pair(getDistance(first,i),i);
		best = max(best,now);
	}
	int second = best.second;
	int diameter = getDistance(first,second);
	int inf = 100000000;
	int ans = inf;
	for(int i = 0; i<N; i++){
		if(i==first || i==second){
			continue;
		}
		int A = getDistance(i,first);
		int B = getDistance(i,second);
		int x = (A+B-diameter)/2;
		int a = A-x;
		int b = B-x;
		ans = min(ans,max(a,b));
	}
	return ans;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:4:28: 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