Compilare: main.cpp: In function 'void fill(int)': main.cpp:21:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for( i = 0; i < noduri[nod].muchii.size(); i++ ) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:34:22: warning: variable 'cnt' set but not used [-Wunused-but-set-variable] 34 | int n, m, i, x, y, cnt; | ^~~