Compilare: main.cpp: In function 'int main()': main.cpp:173:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(int j=0;j<comp_temp.size();j++){ | ~^~~~~~~~~~~~~~~~~ main.cpp:188:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 188 | for(int i=0;i<rasp.size();i++){ | ~^~~~~~~~~~~~ main.cpp:164:16: warning: unused variable 'aux' [-Wunused-variable] 164 | int cost=0,aux; | ^~~