Compilare: user.c: In function ‘cauta’: user.c:21:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( cod[ sir[i] ] == 0 ) ^ user.c:22:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ sir[i] ] = v[pozhash].s[i]; ^ user.c:23:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if( cod[ sir[i] ] != v[pozhash].s[i] ) ^ user.c:31:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( cod[ sir[i] ] == 0 ) ^ user.c:32:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[ sir[i] ] = v[pozhash].s[i]; ^ user.c:33:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if( cod[ sir[i] ] != v[pozhash].s[i] ) ^ user.c: In function ‘main’: user.c:58:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &m ); ^ user.c:71:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^