Compilare: main.cpp: In function 'int main()': main.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < strlen(sir) && lat - latime[sir[i]] >= 0; i++) ~~^~~~~~~~~~~~~ main.cpp:36:59: warning: array subscript has type 'char' [-Wchar-subscripts] for (int i = 0; i < strlen(sir) && lat - latime[sir[i]] >= 0; i++) ^ main.cpp:38:29: warning: array subscript has type 'char' [-Wchar-subscripts] lat -= latime[sir[i]]; ^