Submission #980594

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
980594	2024-05-12 09:09:35	12345678	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	12 ms	864 KiB

longesttrip

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
const int nx=305;
std::vector<int> longest_trip(int N, int D)
{
    vector<int> d[2];
    d[0].push_back(0);
    d[1].push_back(1);
    bool not_connected=0;
    for (int i=2; i<N; i++)
    {
        if (are_connected(vector<int> {d[0].back()}, vector<int> {i}))
        {
            not_connected=0;
            d[0].push_back(i);
            continue;
        }
        if (not_connected||are_connected(vector<int> {d[1].back()}, vector<int> {i}))
        {
            not_connected=1;
            d[1].push_back(i);
            continue;
        }
        if (d[1].size()==1) not_connected=1;
        else not_connected=0;
        while (!d[1].empty()) d[0].push_back(d[1].back()), d[1].pop_back();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for (int i=x+1; i<d[0].size(); i++) res.push_back(d[0][i]);
      |                     ~^~~~~~~~~~~~
longesttrip.cpp:78:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |     for (int i=l; i<d[1].size(); i++) res.push_back(d[1][i]);
      |                   ~^~~~~~~~~~~~

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