Compilare: main.cpp: In function 'int main()': main.cpp:78:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp:74:13: warning: unused variable 'dur' [-Wunused-variable] 74 | int dur = q.top().dur; | ^~~ main.cpp:33:30: warning: unused variable 'dur' [-Wunused-variable] 33 | int n, p, k, i, j, a, b, dur = 0, cnt = 0; | ^~~ main.cpp:33:39: warning: unused variable 'cnt' [-Wunused-variable] 33 | int n, p, k, i, j, a, b, dur = 0, cnt = 0; | ^~~