Eroare de compilare: main.cpp: In function 'void dijkstra(Graph&)': main.cpp:42:13: error: 'ignore' is not a member of 'std' tie(std::ignore, node) = q.top(); ^~~ main.cpp:42:30: error: 'tie' was not declared in this scope tie(std::ignore, node) = q.top(); ^ main.cpp:45:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < g.adj_list[node].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < dist.size(); i++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:39: 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:70:41: 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); ^ Non zero exit status: 1