Eroare de compilare: user.cpp: In function ‘void arboreCostMinim()’: user.cpp:36:23: error: missing template arguments before ‘.’ token priority_queue.push(make_tuple(vecini[1].first, 1, vecini[1].second)); ^ user.cpp:36:50: error: ‘class std::vector<std::pair<int, int> >’ has no member named ‘first’ priority_queue.push(make_tuple(vecini[1].first, 1, vecini[1].second)); ^ user.cpp:36:70: error: ‘class std::vector<std::pair<int, int> >’ has no member named ‘second’ priority_queue.push(make_tuple(vecini[1].first, 1, vecini[1].second)); ^ user.cpp: In function ‘void citire()’: user.cpp:15:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:21:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &tmp1, &tmp2, &tmp3); ^