Compilare: user.cpp: In function ‘int main()’: user.cpp:26:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[30]’ [-Wformat=] scanf("%lld %s",&n,&s); ^ user.cpp:22:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.in","r",stdin); ^ user.cpp:23:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.out","w",stdout); ^ user.cpp:26:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %s",&n,&s); ^