Compilare: main.cpp: In function 'int main()': main.cpp:39:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | while (st < rez.size()) | ~~~^~~~~~~~~~~~ main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (i = 0; i < vecini[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:57:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (i = 0; i < rez.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:19:21: warning: unused variable 'j' [-Wunused-variable] 19 | int n, m, k, i, j, x, y; | ^