Submission #831858

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
831858	2023-08-20 16:15:04	andrey27_sm	Fountain Parks (IOI21_parks)	C++17	Compilation error	0 ms	0 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
vector<pair<int,int>> cons[200001];
int mask_l[200001];
vector<int> u;
vector<int> v;
vector<int> a;
vector<int> b;
struct dsu{
    int sz = 0;
    vector<int> pr;
    int p(int v){
        if(pr[v] == v) return v;
        return pr[v] = p(pr[v]);
    }
    bool un(int u,int v){
        u = p(u);
        v = p(v);
        if(u == v){
            return 0;
            exit(1);
        }
        pr[u] = v;
        sz++;
        return 1;
    }
} D;
int construct_roads(vector<int> x, vector<int> y) {
    int n = x.size();
 
 
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:37:12: error: 'edge' was not declared in this scope
   37 |     vector<edge> E;
      |            ^~~~
parks.cpp:37:16: error: template argument 1 is invalid
   37 |     vector<edge> E;
      |                ^
parks.cpp:37:16: error: template argument 2 is invalid
parks.cpp:37:18: warning: unused variable 'E' [-Wunused-variable]
   37 |     vector<edge> E;
      |                  ^