Compilare: main.cpp: In function 'int main()': main.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 28 | for(i = 0; i < lg; i++) | ~~^~~~ main.cpp:38:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for( i = lg; i < sir.size() ; i++) | ~~^~~~~~~~~~~~ main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 49 | for( i = 0; i< lg; i++) | ~^~~~ main.cpp:68:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 68 | for( i = 0; i< lg; i++) | ~^~~~