bridges.cpp:6:18: error: 'pii' was not declared in this scope
6 | vector<pair<int, pii>> edges;
| ^~~
bridges.cpp:6:18: error: template argument 2 is invalid
bridges.cpp:6:21: error: template argument 1 is invalid
6 | vector<pair<int, pii>> edges;
| ^~
bridges.cpp:6:21: error: template argument 2 is invalid
bridges.cpp: In function 'int main()':
bridges.cpp:29:9: error: request for member 'push_back' in 'edges', which is of non-class type 'int'
29 | edges.push_back(MP(-w, MP(u, v)));
| ^~~~~~~~~
bridges.cpp:29:26: error: 'MP' was not declared in this scope
29 | edges.push_back(MP(-w, MP(u, v)));
| ^~
bridges.cpp:29:19: error: 'MP' was not declared in this scope
29 | edges.push_back(MP(-w, MP(u, v)));
| ^~
bridges.cpp:32:9: error: 'q' was not declared in this scope
32 | cin >> q;
| ^
bridges.cpp:36:9: error: request for member 'push_back' in 'edges', which is of non-class type 'int'
36 | edges.push_back(MP(-w, MP(-i, s)));
| ^~~~~~~~~
bridges.cpp:36:26: error: 'MP' was not declared in this scope
36 | edges.push_back(MP(-w, MP(-i, s)));
| ^~
bridges.cpp:36:19: error: 'MP' was not declared in this scope
36 | edges.push_back(MP(-w, MP(-i, s)));
| ^~
bridges.cpp:39:13: error: request for member 'begin' in 'edges', which is of non-class type 'int'
39 | sort(edges.begin(), edges.end());
| ^~~~~
bridges.cpp:39:28: error: request for member 'end' in 'edges', which is of non-class type 'int'
39 | sort(edges.begin(), edges.end());
| ^~~
bridges.cpp:42:15: error: 'begin' was not declared in this scope; did you mean 'std::begin'?
42 | for(auto p : edges) {
| ^~~~~
| std::begin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from bridges.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin' declared here
1224 | begin(const valarray<_Tp>& __va)
| ^~~~~
bridges.cpp:42:15: error: 'end' was not declared in this scope; did you mean 'std::end'?
42 | for(auto p : edges) {
| ^~~~~
| std::end
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from bridges.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end' declared here
1244 | end(const valarray<_Tp>& __va)
| ^~~
bridges.cpp:44:8: warning: unused variable 'w' [-Wunused-variable]
44 | int w = p.ff;
| ^
bridges.cpp:50:8: warning: unused variable 'w' [-Wunused-variable]
50 | int w = p.ff;
| ^