Submission #1166937

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166937		zh_h	City Mapping (NOI18_citymapping)	C++20	Compilation error	0 ms	0 KiB

citymapping

#include <bits/stdc++.h>
#define pb push_back
using namespace std;

void find_roads(int N, int Q, vector<int> A, vector<int> B, vector<int> W) {
    // get N, Q
    
    // pick a lucky number: 1
    // find the difference of 1 and all other nodes
    vector<pair<long long, int>> dis1; // {distance, node}
    for (int i = 2; i <= N; i ++) {
        dis1.pb({get_distance(1, i), i});
    }
    sort(dis1.begin(), dis1.end());

    // get longest distance node
    int longest_dis_node = dis1[N-2].second;

    vector<pair<long long, int>> dis2;
    for (int i = 1; i <= N; i ++) {
        if (i == longest_dis_node) {continue;}
        dis2.pb({get_distance(longest_dis_node, i), i});
    }
    sort(dis2.begin(), dis2.end());

    int cur = 0;
    for (int i = 0; i < dis2.size(); i ++) {
        A.pb(longest_dis_node);
        B.pb(dis2[i].second);
        W.pb(dis2[i].first-cur);
        cur = dis2[i].first;
    }

}

Compilation message (stderr)

citymapping.cpp: In function 'void find_roads(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
citymapping.cpp:12:18: error: 'get_distance' was not declared in this scope
   12 |         dis1.pb({get_distance(1, i), i});
      |                  ^~~~~~~~~~~~
citymapping.cpp:12:16: error: no matching function for call to 'std::vector<std::pair<long long int, int> >::push_back(<brace-enclosed initializer list>)'
   12 |         dis1.pb({get_distance(1, i), i});
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from citymapping.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, int>; _Alloc = std::allocator<std::pair<long long int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<long long int, int>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, int>; _Alloc = std::allocator<std::pair<long long int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<long long int, int> >::value_type&&' {aka 'std::pair<long long int, int>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
citymapping.cpp:22:18: error: 'get_distance' was not declared in this scope
   22 |         dis2.pb({get_distance(longest_dis_node, i), i});
      |                  ^~~~~~~~~~~~
citymapping.cpp:22:16: error: no matching function for call to 'std::vector<std::pair<long long int, int> >::push_back(<brace-enclosed initializer list>)'
   22 |         dis2.pb({get_distance(longest_dis_node, i), i});
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/vector:67,
                 from /usr/include/c++/11/functional:62,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from citymapping.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, int>; _Alloc = std::allocator<std::pair<long long int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<long long int, int>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, int>; _Alloc = std::allocator<std::pair<long long int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<long long int, int> >::value_type&&' {aka 'std::pair<long long int, int>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~