Compilare: main.cpp: In function 'bool var()': main.cpp:119:23: warning: array subscript has type 'char' [-Wchar-subscripts] 119 | if(V1[S1[i]]==0) | ~~~~^ main.cpp:121:24: warning: array subscript has type 'char' [-Wchar-subscripts] 121 | V1[S1[i]]=1; | ~~~~^ main.cpp:130:23: warning: array subscript has type 'char' [-Wchar-subscripts] 130 | if(V1[S2[i]]==0) | ~~~~^ main.cpp:132:23: warning: array subscript has type 'char' [-Wchar-subscripts] 132 | if(V2[S2[i]]==0) | ~~~~^ main.cpp:134:24: warning: array subscript has type 'char' [-Wchar-subscripts] 134 | V2[S2[i]]=1; | ~~~~^