Compilare: main.cpp: In function 'int factor()': main.cpp:81:23: warning: array subscript has type 'char' [-Wchar-subscripts] 81 | fact = s [v [cnt]]; | ~~~~~~^ main.cpp: In function 'int main()': main.cpp:140:8: warning: array subscript has type 'char' [-Wchar-subscripts] 140 | s [a] = 1 - s [a]; | ^ main.cpp:140:20: warning: array subscript has type 'char' [-Wchar-subscripts] 140 | s [a] = 1 - s [a]; | ^ main.cpp:130:7: warning: variable 'n' set but not used [-Wunused-but-set-variable] 130 | int n, m, i; | ^