Submission #898367

#	Time	Username	Problem	Language	Result	Execution time	Memory
898367		OAleksa	Fun Tour (APIO20_fun)	C++14	26 / 100	312 ms	524288 KiB

fun

#include "fun.h"
#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
vector<int> createFunTour(int N, int Q) {
  int n = N, q = Q;
  vector<int> ans(n);
  int d[n][n];
  for (int i = 0;i < n;i++) {
    for (int j = 0;j < n;j++) {
      d[i][j] = hoursRequired(i, j);
    }
  }
  int mx = 0;
  for (int i = 0;i < n;i++) {
    for (int j = 0;j < n;j++)
      mx = max(mx, d[i][j]);
  }
  int p = -1, p1 = -1;
  for (int i = 0;i < n;i++) {
    int res = 0;
    for (int j = 0;j < n;j++)
      res = max(res, d[i][j]);
    if (res == mx) {
      for (int j = 0;j < n;j++) {
        if (d[i][j] == mx)
          p1 = j;
      }
      p = i;
      break;
    }
  }
  vector<int> vis(n);
  assert(p != -1 && p1 != -1);
  vis[p] = vis[p1] = 1;
  ans[0] = p;
  ans[1] = p1;
  for (int i = 2;i < n;i++) {
    int cur = 0, bst = 0;
    for (int j = 0;j < n;j++) {
      if (vis[j])
        continue;
      if (d[p1][j] >= bst) {
        bst = d[p1][j];
        cur = j;
      }
    }
    vis[cur] = 1;
    ans[i] = cur;
    p1 = cur;
  }
  return ans;
}
/*
7 400000
0 1
0 5
0 6
1 2
1 4
2 3
*/

Compilation message (stderr)

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:7:14: warning: unused variable 'q' [-Wunused-variable]
    7 |   int n = N, q = Q;
      |              ^

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 0 / 21
• Subtask 4: 0 / 19
• Subtask 5: 0 / 34