Compilare: user.c: In function ‘initbaza’: user.c:35:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[c] = c - '0'; ^ user.c:37:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[c] = c - 'A' + 10; ^ user.c:39:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[c] = c - 'a' + 36; ^ user.c: In function ‘gasit’: user.c:74:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp1 = ( rabinkarp1 * baza + cod[ s[i] ] ) % rabinmod1; ^ user.c:75:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp2 = ( rabinkarp2 * baza + cod[ s[i] ] ) % rabinmod2; ^ user.c:78:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp1 = ( rabinkarp1 * baza + cod[ s[i] ] ) % rabinmod1; ^ user.c:79:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp2 = ( rabinkarp2 * baza + cod[ s[i] ] ) % rabinmod2; ^ user.c:84:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] rabinkarp1 = ( ( rabinkarp1 - convrabin1[ lung ] * cod[ s[ i-lung] ] ) % rabinmod1 + rabinmod1 ) % rabinmod1; ^ user.c:85:9: 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:107:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &k ); ^