Compilare: main.cpp: In function 'int main()': main.cpp:89:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for (i = 0; i< adiac[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:82:22: warning: 'nrmin' may be used uninitialized [-Wmaybe-uninitialized] 82 | while(!q.empty() && nrmin <= 100001) | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:42:35: note: 'nrmin' was declared here 42 | int i, j, x, y, lg, nod,nod2, nrmin; | ^~~~~