Compilare: main.cpp: In function 'void solve()': main.cpp:27:20: warning: array subscript has type 'char' [-Wchar-subscripts] 27 | int ans=s[a[px]][px]; | ^ main.cpp:68:22: warning: array subscript has type 'char' [-Wchar-subscripts] 68 | ans+=ib[a[px]]*inv+nb[a[px]]*nor; | ^ main.cpp:68:36: warning: array subscript has type 'char' [-Wchar-subscripts] 68 | ans+=ib[a[px]]*inv+nb[a[px]]*nor; | ^ main.cpp:72:22: warning: array subscript has type 'char' [-Wchar-subscripts] 72 | ans+=ib[a[px]]*nor+nb[a[px]]*inv; | ^ main.cpp:72:36: warning: array subscript has type 'char' [-Wchar-subscripts] 72 | ans+=ib[a[px]]*nor+nb[a[px]]*inv; | ^ main.cpp:74:32: warning: array subscript has type 'char' [-Wchar-subscripts] 74 | g<<(!isinv?a[px]:(opp[a[px]]))<<' '<<ans<<'\n'; | ^ main.cpp: In function 'int32_t main()': main.cpp:89:16: warning: array subscript has type 'char' [-Wchar-subscripts] 89 | nb[a[i]]++; | ^ main.cpp:90:20: warning: array subscript has type 'char' [-Wchar-subscripts] 90 | ib[opp[a[i]]]++; | ^ main.cpp:90:20: warning: array subscript has type 'char' [-Wchar-subscripts] 90 | ib[opp[a[i]]]++; | ~~~~~~~~^ main.cpp:98:15: warning: array subscript has type 'char' [-Wchar-subscripts] 98 | s[a[i]][i]++; | ^