Compilare: main.c: In function 'main': main.c:142:32: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types] 142 | qsort(ord, n, sizeof *ord, _cmpord); | ^~~~~~~ | | | int (*)(const int *, const int *) In file included from main.c:2: /usr/include/stdlib.h:852:34: note: expected '__compar_fn_t' {aka 'int (*)(const void *, const void *)'} but argument is of type 'int (*)(const int *, const int *)' 852 | __compar_fn_t __compar) __nonnull ((1, 4)); | ~~~~~~~~~~~~~~^~~~~~~~ main.c:149:30: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types] 149 | qsort(cy, n, sizeof *cy, _cmpcomp); | ^~~~~~~~ | | | int (*)(const int *, const int *) /usr/include/stdlib.h:852:34: note: expected '__compar_fn_t' {aka 'int (*)(const void *, const void *)'} but argument is of type 'int (*)(const int *, const int *)' 852 | __compar_fn_t __compar) __nonnull ((1, 4)); | ~~~~~~~~~~~~~~^~~~~~~~ main.c:125:15: warning: unused variable 'j' [-Wunused-variable] 125 | int u, i, j, x, y, w, ans; | ^