Compilare: main.cpp: In function 'int main()': main.cpp:126:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i=0;i<drum.size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int toint(char)': main.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type] 23 | } | ^