Compilare: main.cpp: In function 'int main()': main.cpp:71:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for ( i = 0; i < muchii[crt.nod].size(); i++ ) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~