Compilare: main.cpp: In function 'int main()': main.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(i = 0; i < adj[nod_curent].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:44:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(i = 0; i < rez.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:16:15: warning: unused variable 'j' [-Wunused-variable] 16 | int x,y,i,j; | ^