Compilare: user.cpp: In function ‘int main()’: user.cpp:99:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (sm[tp[h[k]]] + 1 > maxx) { ^ user.cpp:100:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxx = sm[tp[h[k]]] + 1; ^ user.cpp:103:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] sc = tp[h[k]]; ^ user.cpp:82:14: warning: ‘sc’ may be used uninitialized in this function [-Wmaybe-uninitialized] char sc; ^ user.cpp:108:30: warning: ‘sb’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sa << ' ' << sb << '\n'; ^ user.cpp:108:17: warning: ‘sa’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sa << ' ' << sb << '\n'; ^