Compilare: main.cpp: In function 'int getOpType()': main.cpp:139:11: warning: array subscript has type 'char' [-Wchar-subscripts] 139 | s[i] = ch; | ^ main.cpp:140:7: warning: array subscript has type 'char' [-Wchar-subscripts] 140 | s[i] = '\0'; | ^ main.cpp:142:27: warning: array subscript has type 'char' [-Wchar-subscripts] 142 | if (cmpStr(s, ops[i])) | ^ main.cpp:144:1: warning: control reaches end of non-void function [-Wreturn-type] 144 | } | ^