Compilare: user.cpp: In function ‘void parc(char (*)[1001], int, int)’: user.cpp:17:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[u++] = a[i][j]; ^ user.cpp:23:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[u++] = a[i][j]; ^ user.cpp:30:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[u++]=a[i][j]; ^ user.cpp:36:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] e[u++] = a[i][j]; ^ user.cpp:51:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (strcmp(mi,e)>0 && strlen(e)==n+m-1) ^ user.cpp: In function ‘int main()’: user.cpp:62:24: warning: unused variable ‘as’ [-Wunused-variable] char a[1001][1001],as; ^