Submission #841787

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
841787	2023-09-02 05:39:24	flashmt	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	10 ms	684 KiB

longesttrip

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#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> longest_trip(int n, int d)
{
  vector<int> c[2];
  c[0] = {0};
  int checkedLast = 0;
  for (int i = 1; i < n; i++)
  {
    int x = c[0].back();
    if (are_connected({i}, {x}))
    {
      c[0].push_back(i);
      checkedLast = 0;
    }
    else if (empty(c[1]) || checkedLast)
    {
      c[1].push_back(i);
      checkedLast = 1;
    }
    else
    {
      int y = c[1].back();
      if (are_connected({i}, {y}))
      {
        c[1].push_back(i);
        checkedLast = 1;
      }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:93:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |   if (id0 < size(c[0]) - 1)
      |       ~~~~^~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 60 / 60