Compilare: user.cpp: In function ‘int main()’: user.cpp:89:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] sm[h[k]] += s[v[x][y]]; ^ user.cpp:90:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (sm[h[k]] > maxx) { ^ user.cpp:91:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxx = sm[h[k]]; ^ user.cpp:99:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] sm[h[k]] = 0; ^ user.cpp:80:14: warning: ‘sc’ may be used uninitialized in this function [-Wmaybe-uninitialized] char sc; ^ user.cpp:104:30: warning: ‘sb’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sa << ' ' << sb << '\n'; ^ user.cpp:104:17: warning: ‘sa’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sa << ' ' << sb << '\n'; ^