Submission #294408

#	Time	Username	Problem	Language	Result	Execution time	Memory
294408		b00n0rp	Towns (IOI15_towns)	C++17	25 / 100	39 ms	1152 KiB

towns

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

#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define vi vector<int>
#define pb push_back

int d0[1005],dA[1005];
int n,A,B;

int hubDistance(int N, int sub){
	n = N;
	A = B = 0;
	d0[0] = 0;
	FOR(i,1,n){
		d0[i] = getDistance(0,i);
		if(d0[i] > d0[A]) A = i;
	}
	dA[0] = d0[A];
	dA[A] = 0;
	FOR(i,1,n){
		if(i == A) continue;
		dA[i] = getDistance(A,i);
		if(dA[i] > dA[B]) B = i;
	}
	int R = 1000000000;
	vi gg; // dist from A from path A-0
	REP(i,n){
		int lol = (dA[0]+dA[i]-d0[i])/2;
		gg.pb(lol);
		R = min(R,max(dA[B]-lol,lol));
	}
	return R;

}

Compilation message (stderr)

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