Compilare: main.cpp: In function 'int main()': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (i = 0; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (i = 0; i<b.size(); i++) | ~^~~~~~~~~ main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (i = 0; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:35:57: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | while (lg > 0 && rasp[lg] > c && apa[rasp[lg]] > apb[rasp[lg]]) | ~~~~~~~^ main.cpp:35:73: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | while (lg > 0 && rasp[lg] > c && apa[rasp[lg]] > apb[rasp[lg]]) | ~~~~~~~^ main.cpp:37:28: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | apb[rasp[lg]]++; | ~~~~~~~^ main.cpp:15:9: warning: unused variable 'n' [-Wunused-variable] 15 | int n, m, i, c, lg = 0; | ^ main.cpp:15:12: warning: unused variable 'm' [-Wunused-variable] 15 | int n, m, i, c, lg = 0; | ^