Compilare: main.cpp: In function 'int main()': main.cpp:118:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int i = 0; i<sol.size()-1; ++i){ | ~^~~~~~~~~~~~~ main.cpp:96:27: warning: 'aux' may be used uninitialized [-Wmaybe-uninitialized] 96 | int imp = 0,start = 1,aux; | ^~~