Compilare: main.cpp: In function 'int nr(int, int, int)': main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | if(i <= s[nrSir].size()){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dezv(int)': main.cpp:26:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int j = l - 1; j < s[i].size(); j ++){ | ~~^~~~~~~~~~~~~