split.cpp: In function 'int main()':
split.cpp:9:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
9 | for(int i = 0; i < (nb.length())/2; i++) cout << nb[i];
| ~~^~~~~~~~~~~~~~~~~
split.cpp:11:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for(int i = (nb.length()/2); i < (nb.length()); i++) cout << nb[i];
| ~~^~~~~~~~~~~~~~~