Compilare: main.cpp: In function 'int main()': main.cpp:60:21: warning: comparison of integer expressions of different signedness: 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 60 | while(sol.size()<n-1) | ~~~~~~~~~~^~~~ main.cpp:74:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i=0;i<sol.size();i++) | ~^~~~~~~~~~~