Eroare de compilare: main.cpp: In function 'void dij(int)': main.cpp:17:10: error: 'start' was not declared in this scope dist[start]=0; ^~~~~ main.cpp:18:24: error: no matching function for call to 'std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, std::greater<std::pair<int, int> > >::push(<brace-enclosed initializer list>)' heap.push({0,start}); ^ 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:1: /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::greater<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::greater<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>, std::vector<std::pair<int, int> >, std::greater<std::pair<int, int> > >::value_type&& {aka std::pair<int, int>&&}' main.cpp:26:27: error: 'g' was not declared in this scope for(int i=0;i<g[nod].size();i++) ^ main.cpp: In function 'int main()': main.cpp:58:25: error: cannot convert 'const char*' to 'FILE* {aka _IO_FILE*}' for argument '1' to 'int fprintf(FILE*, const char*, ...)' fprintf("0 "); ^ main.cpp:44:13: warning: unused variable 'j' [-Wunused-variable] int m,i,j,cost,a,b; ^ main.cpp:42:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.in", "r", stdin); ^ main.cpp:43:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dijkstra.out", "w", stdout); ^ main.cpp:46:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:49:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &a, &b, &cost); ^ Non zero exit status: 1