0_0_39412213_8189.cpp:17:5: error: 'vector' does not name a type
17 | vector<int> parent;
| ^~~~~~
0_0_39412213_8189.cpp: In constructor 'UnionFind::UnionFind(int)':
0_0_39412213_8189.cpp:21:13: error: 'parent' was not declared in this scope
21 | parent.push_back(i);
| ^~~~~~
0_0_39412213_8189.cpp: In member function 'int UnionFind::find(int)':
0_0_39412213_8189.cpp:26:18: error: 'parent' was not declared in this scope
26 | if (x != parent[x]) {
| ^~~~~~
0_0_39412213_8189.cpp:29:16: error: 'parent' was not declared in this scope
29 | return parent[x];
| ^~~~~~
0_0_39412213_8189.cpp: In member function 'void UnionFind::unity(int, int)':
0_0_39412213_8189.cpp:36:9: error: 'parent' was not declared in this scope
36 | parent[x] = y;
| ^~~~~~
0_0_39412213_8189.cpp: In member function 'int UnionFind::count()':
0_0_39412213_8189.cpp:48:29: error: 'parent' was not declared in this scope
48 | for (int i = 0; i < parent.size(); ++i) {
| ^~~~~~
0_0_39412213_8189.cpp: At global scope:
0_0_39412213_8189.cpp:57:13: error: 'vector' was not declared in this scope
57 | int krustal(vector<Edge> edges, int vertices) {
| ^~~~~~
0_0_39412213_8189.cpp:57:24: error: expected primary-expression before '>' token
57 | int krustal(vector<Edge> edges, int vertices) {
| ^
0_0_39412213_8189.cpp:57:26: error: 'edges' was not declared in this scope
57 | int krustal(vector<Edge> edges, int vertices) {
| ^~~~~
0_0_39412213_8189.cpp:57:33: error: expected primary-expression before 'int'
57 | int krustal(vector<Edge> edges, int vertices) {
| ^~~
0_0_39412213_8189.cpp:57:45: error: expression list treated as compound expression in initializer [-fpermissive]
57 | int krustal(vector<Edge> edges, int vertices) {
| ^
0_0_39412213_8189.cpp: In function 'int main()':
0_0_39412213_8189.cpp:75:10: error: 'std::ios' has not been declared
75 | std::ios::sync_with_stdio(false);
| ^~~
0_0_39412213_8189.cpp:76:10: error: 'cin' is not a member of 'std'
76 | std::cin.tie(nullptr);
| ^~~
0_0_39412213_8189.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
+++ |+#include <iostream>
1 | class Edge {
0_0_39412213_8189.cpp:77:10: error: 'cout' is not a member of 'std'
77 | std::cout.tie(nullptr);
| ^~~~
0_0_39412213_8189.cpp:77:10: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
0_0_39412213_8189.cpp:80:12: error: 'cin' was not declared in this scope
80 | while (cin >> vertices) {
| ^~~
0_0_39412213_8189.cpp:87:9: error: 'vector' was not declared in this scope
87 | vector<Edge> edges;
| ^~~~~~
0_0_39412213_8189.cpp:87:20: error: expected primary-expression before '>' token
87 | vector<Edge> edges;
| ^
0_0_39412213_8189.cpp:87:22: error: 'edges' was not declared in this scope
87 | vector<Edge> edges;
| ^~~~~
0_0_39412213_8189.cpp:96:9: error: 'sort' was not declared in this scope; did you mean 'short'?
96 | sort(edges.begin(), edges.end());
| ^~~~
| short
0_0_39412213_8189.cpp:98:9: error: 'cout' was not declared in this scope
98 | cout << krustal(edges, vertices) << endl;
| ^~~~
0_0_39412213_8189.cpp:98:24: error: 'krustal' cannot be used as a function
98 | cout << krustal(edges, vertices) << endl;
| ~~~~~~~^~~~~~~~~~~~~~~~~
0_0_39412213_8189.cpp:98:45: error: 'endl' was not declared in this scope
98 | cout << krustal(edges, vertices) << endl;
| ^~~~
|
