Compilare: main.cpp: In function 'int main()': main.cpp:31:15: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | for(i=0;a[x][i];i++) | ^ main.cpp:33:21: warning: array subscript has type 'char' [-Wchar-subscripts] 33 | a[!x][i]+=a[x][i]-'0'; | ^ main.cpp:37:10: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | if(a[x][i]&&a[x][i]<'0')a[x][i]+='0'; | ^ main.cpp:37:19: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | if(a[x][i]&&a[x][i]<'0')a[x][i]+='0'; | ^ main.cpp:37:31: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | if(a[x][i]&&a[x][i]<'0')a[x][i]+='0'; | ^ main.cpp:38:10: warning: array subscript has type 'char' [-Wchar-subscripts] 38 | if(a[x][i-1]&&a[x][i-1]<'0')a[x][i-1]+='0'; | ^ main.cpp:38:21: warning: array subscript has type 'char' [-Wchar-subscripts] 38 | if(a[x][i-1]&&a[x][i-1]<'0')a[x][i-1]+='0'; | ^ main.cpp:38:35: warning: array subscript has type 'char' [-Wchar-subscripts] 38 | if(a[x][i-1]&&a[x][i-1]<'0')a[x][i-1]+='0'; | ^ main.cpp:41:9: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | while(a[x][i])i++; | ^ main.cpp:42:31: warning: array subscript has type 'char' [-Wchar-subscripts] 42 | while(i--)fprintf(fout,"%c",a[x][i]); | ^