Eroare de compilare: user.c: In function ‘main’: user.c:11:2: warning: passing argument 1 of ‘freopen’ from incompatible pointer type [enabled by default] freopen(stdin, "fact.in", "r"); ^ In file included from user.c:2:0: /usr/include/stdio.h:279:14: note: expected ‘const char * restrict’ but argument is of type ‘struct _IO_FILE *’ extern FILE *freopen (__const char *__restrict __filename, ^ user.c:11:2: warning: passing argument 3 of ‘freopen’ from incompatible pointer type [enabled by default] freopen(stdin, "fact.in", "r"); ^ In file included from user.c:2:0: /usr/include/stdio.h:279:14: note: expected ‘struct FILE * restrict’ but argument is of type ‘char *’ extern FILE *freopen (__const char *__restrict __filename, ^ user.c:12:2: warning: passing argument 1 of ‘freopen’ from incompatible pointer type [enabled by default] freopen(stdout, "fact.out", "w"); ^ In file included from user.c:2:0: /usr/include/stdio.h:279:14: note: expected ‘const char * restrict’ but argument is of type ‘struct _IO_FILE *’ extern FILE *freopen (__const char *__restrict __filename, ^ user.c:12:2: warning: passing argument 3 of ‘freopen’ from incompatible pointer type [enabled by default] freopen(stdout, "fact.out", "w"); ^ In file included from user.c:2:0: /usr/include/stdio.h:279:14: note: expected ‘struct FILE * restrict’ but argument is of type ‘char *’ extern FILE *freopen (__const char *__restrict __filename, ^ user.c:15:2: error: too few arguments to function ‘find_n’ TYPE n = find_n(); ^ user.c:6:6: note: declared here TYPE find_n(TYPE p) { ^ user.c:11:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(stdin, "fact.in", "r"); ^ user.c:12:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(stdout, "fact.out", "w"); ^ user.c:14:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &P); ^