Submission #1122692

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1122692	2024-11-30 21:12:14	gustavo_d	Towns (IOI15_towns)	C++17	0 / 100	199 ms	512 KiB

towns

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#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 111;
int cache[MAXN][MAXN];
int dist(int a, int b) {
  if (a > b) swap(a, b);
  if (a == b) return 0;
  if (cache[a][b] != -1) return cache[a][b];
  return cache[a][b] = getDistance(a, b);
}
int hubDistance(int n, int sub) {
  for (int i=0; i<n; i++) {
    for (int j=0; j<n; j++) cache[i][j] = -1;
  }
  int r = 1e9;
  if (sub == 1 or true) {
    for (int i=0; i<n; i++) {
      for (int j=i+1; j<n; j++) {
        // cerr << endl << endl;
        // cerr << "Olhando: " << i << ' ' << j << endl;
        map<pair<int, int>, int> mx_dist;
        for (int k=0; k<n; k++) {
          if (k == i or k == j) continue;
          int a = (dist(i, k) + dist(j, k) - dist(i, j)) / 2;
          int x = dist(i, k) - a;
          int y = dist(j, k) - a;
          mx_dist[{x, y}] = max({mx_dist[{x, y}], a, x, y});
 
 
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• Subtask 1: 0 / 13
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 39