Compilare: user.cpp: In function ‘short int partition(short int, short int)’: user.cpp:68:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(A[V[i].lin][V[i].col].ind, A[V[j].lin][V[j].col].ind); ^ user.cpp:68:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(A[V[i].lin][V[i].col].ind, A[V[j].lin][V[j].col].ind); ^ user.cpp:68:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(A[V[i].lin][V[i].col].ind, A[V[j].lin][V[j].col].ind); ^ user.cpp:68:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(A[V[i].lin][V[i].col].ind, A[V[j].lin][V[j].col].ind); ^ user.cpp: In function ‘void back(char, char, short int)’: user.cpp:98:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (A[l][c].val && !viz[A[l][c].ind]) { ^ user.cpp:98:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (A[l][c].val && !viz[A[l][c].ind]) { ^ user.cpp:98:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (A[l][c].val && !viz[A[l][c].ind]) { ^ user.cpp:98:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (A[l][c].val && !viz[A[l][c].ind]) { ^ user.cpp:99:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[nivel] = A[l][c].ind; ^ user.cpp:99:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[nivel] = A[l][c].ind; ^ user.cpp:100:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[A[l][c].ind] = 1; ^ user.cpp:100:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[A[l][c].ind] = 1; ^ user.cpp:101:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] sum = sum + nivel * A[l][c].val; ^ user.cpp:101:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] sum = sum + nivel * A[l][c].val; ^ user.cpp:103:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[A[l][c].ind] = 0; ^ user.cpp:103:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] viz[A[l][c].ind] = 0; ^