Compilare: main.cpp: In function 'int main()': main.cpp:90:19: warning: variable 'debug' set but not used [-Wunused-but-set-variable] 90 | punct debug = conv[conv.size()-1].first; | ^~~~~ main.cpp:106:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<punct, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int h=0; h<conv.size()-1; h++) | ~^~~~~~~~~~~~~~