Compilare: user.c: In function ‘gasit’: user.c:76:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp1 = ( rabinkarp1 * baza + cod[ s[i] ] ) % rabinmod1; ^ user.c:77:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp2 = ( rabinkarp2 * baza + cod[ s[i] ] ) % rabinmod2; ^ user.c:82:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp1 = ( ( rabinkarp1 - convrabin1[ lung ] * cod[ s[ i-lung] ] ) % rabinmod1 + rabinmod1 ) % rabinmod1; ^ user.c:83:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp2 = ( ( rabinkarp2 - convrabin2[ lung ] * cod[ s[ i-lung] ] ) % rabinmod2 + rabinmod2 ) % rabinmod2; ^ user.c: In function ‘main’: user.c:105:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d\n", &n, &k ); ^