Compilare: main.cpp: In function 'int main()': main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i = 0 ; i<sol2.size();i++){ | ~^~~~~~~~~~~~ main.cpp:73:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | int urm = (i==sol2.size()-1) ? 0 : i+1; | ~^~~~~~~~~~~~~~~