Eroare de compilare: main.cpp: In function 'int main()': main.cpp:82:20: error: no match for 'operator[]' (operand types are 'int [100002]' and 'std::pair<int, int>') q.push({-cost[it].fr,it.fr}); ^ main.cpp:82:34: error: no matching function for call to 'std::priority_queue<std::pair<int, int> >::push(<brace-enclosed initializer list>)' q.push({-cost[it].fr,it.fr}); ^ In file included from /usr/include/c++/6/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:3: /usr/include/c++/6/bits/stl_queue.h:558:7: note: candidate: void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:558:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type& {aka const std::pair<int, int>&}' /usr/include/c++/6/bits/stl_queue.h:566:7: note: candidate: void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::less<std::pair<int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<int, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:566:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::pair<int, int> >::value_type&& {aka std::pair<int, int>&&}' main.cpp:92:6: error: return-statement with no value, in function returning 'int' [-fpermissive] return; ^~~~~~ Non zero exit status: 1