Submission #1163477

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1163477	2025-03-08 07:29:20	Sharky	Towns (IOI15_towns)	C++20	25 / 100	13 ms	328 KiB

towns

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#include "towns.h"
#include <bits/stdc++.h>
using namespace std;
namespace {
// #define int long long
map<pair<int, int>, int> cache;
int qc = 0;
int ask(int i, int j) {
  if (i == j) return 0;
  if (!cache.count({i, j})) {
    qc++;
    int res = getDistance(i, j);
    cache[{i, j}] = cache[{j, i}] = res;
    return cache[{i, j}];
  }
  return cache[{i, j}];
}
}
int32_t hubDistance(int32_t N, int32_t sub) {
  cache.clear();
  qc = 0;
  // cerr << "hi\n";
  int upper_bound = (7 * N + 1) / 2;
  int mx = -1, u, v;
  for (int i = 0; i < N; i++) {
    if (ask(0, i) > mx) mx = ask(0, i), u = i;
 
 
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