Submission #1166936

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166936		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:2:12: error: statement cannot resolve address of overloaded function
    2 | #define pb push_back;
      |            ^
citymapping.cpp:12:14: note: in expansion of macro 'pb'
   12 |         dis1.pb({get_distance(1, i), i});
      |              ^~
citymapping.cpp:12:18: error: 'get_distance' was not declared in this scope
   12 |         dis1.pb({get_distance(1, i), i});
      |                  ^~~~~~~~~~~~
citymapping.cpp:2:12: error: statement cannot resolve address of overloaded function
    2 | #define pb push_back;
      |            ^
citymapping.cpp:22:14: note: in expansion of macro 'pb'
   22 |         dis2.pb({get_distance(longest_dis_node, i), i});
      |              ^~
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:2:12: error: statement cannot resolve address of overloaded function
    2 | #define pb push_back;
      |            ^
citymapping.cpp:28:11: note: in expansion of macro 'pb'
   28 |         A.pb(longest_dis_node);
      |           ^~
citymapping.cpp:2:12: error: statement cannot resolve address of overloaded function
    2 | #define pb push_back;
      |            ^
citymapping.cpp:29:11: note: in expansion of macro 'pb'
   29 |         B.pb(dis2[i].second);
      |           ^~
citymapping.cpp:2:12: error: statement cannot resolve address of overloaded function
    2 | #define pb push_back;
      |            ^
citymapping.cpp:30:11: note: in expansion of macro 'pb'
   30 |         W.pb(dis2[i].first-cur);
      |           ^~