Eroare de compilare: main.cpp: In function 'int main()': main.cpp:123:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(j=0; j<s.size(); j++) | ~^~~~~~~~~ main.cpp:136:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | for(i=0; i<s.size(); i++) | ~^~~~~~~~~ main.cpp:142:11: error: 'it' was not declared in this scope; did you mean 'i'? 142 | cout<<it.size(); | ^~ | i Non zero exit status: 1