Compilare: main.cpp: In function 'int main()': main.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (i = 0; i < vecini[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:68:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for (i = 0; i < vecini[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:82:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (i = 0 ; i < noduri.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:94:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for (i = 0; i < rez.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:23:18: warning: unused variable 'j' [-Wunused-variable] 23 | int n, m, i, j, x, y, a, b, gigel = 0; | ^