Compilare: user.cpp: In function ‘int main()’: user.cpp:22:33: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘char*’ [-Wformat=] scanf("%d", &M[i][j]); ^ user.cpp:27:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] D[1][1] = M[1][1]; sol[D[1][1]]++; ^ user.cpp:31:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol[D[i][1]]++; ^ user.cpp:32:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol[D[1][i]]++; ^ user.cpp:43:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol[D[i][j]]++; ^