Compilare: user.cpp: In member function ‘void bigNumber::getNumber()’: user.cpp:38:18: warning: unused variable ‘pos’ [-Wunused-variable] long pos; ^ user.cpp: In function ‘int main()’: user.cpp:88:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arbsort.in","r",stdin); ^ user.cpp:89:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arbsort.out","w",stdout); ^ user.cpp:91:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld\n",&n); ^ user.cpp: In member function ‘void bigNumber::getNumber()’: user.cpp:35:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s+1); ^