Compilare: user.c: In function ‘main’: user.c:2:12: warning: too many arguments for format [-Wformat-extra-args] #define in "loto.in" ^ user.c:15:9: note: in expansion of macro ‘in’ scanf(in, "%d", &v[i]); ^~ user.c:8:2: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(in, "rt", stdin); ^~~~~~~~~~~~~~~~~~~~~~~~ user.c:9:2: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(out, "wt", stdout); ^~~~~~~~~~~~~~~~~~~~~~~~~~ user.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &S); ^~~~~~~~~~~~~~~~~~~~~~ user.c:15:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf(in, "%d", &v[i]); ^~~~~~~~~~~~~~~~~~~~~~