Compilare: user.cpp: In function ‘void afisare(int)’: user.cpp:7:9: warning: unused variable ‘a’ [-Wunused-variable] int a; ^ user.cpp: In function ‘int main()’: user.cpp:19:26: warning: unused variable ‘k’ [-Wunused-variable] int smax=0, i, n, x, k=0; ^ user.cpp:17:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mincinosi.in", "r", stdin); ^ user.cpp:18:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mincinosi.out", "w", stdout); ^ user.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:23:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^