Submission #844011

# Submission time Handle Problem Language Result Execution time Memory
844011 2023-09-04T21:54:21 Z LucaIlie Longest Trip (IOI23_longesttrip) C++17
0 / 100
0 ms 344 KB
#include "longesttrip.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 256;
int vis[MAX_N];
vector<pair<int, int>> pairs;
vector<int> ans;

vector<int> longest_trip( int n, int d ) {
    for ( int u = 0; u < n; u++ ) {
        for ( int v = u + 1; v < n; v++ ) {
            int x = are_connected( { u }, { v } );
            if ( !x ) {
                pairs.push_back( { u, v } );
                vis[u] = vis[v] = true;
            }
        }
    }

    for ( int i = 0; i < pairs.size(); i++ )
        ans.push_back( pairs[i].first );
    for ( int u = 0; u < n; u++ ) {
        if ( !vis[u] )
            ans.push_back( u );
    }
    if ( n == 2 && pairs.size() == 1 )
        return ans;
    for ( int i = pairs.size() - 1; i >= 0; i-- )
        ans.push_back( pairs[i].second );

    return ans;
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:22:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for ( int i = 0; i < pairs.size(); i++ )
      |                      ~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -