Eroare de compilare: user.cpp:6: error: ‘>>’ should be ‘> >’ within a nested template argument list user.cpp: In function ‘int main()’: user.cpp:20: error: ‘i’ was not declared in this scope user.cpp:25: error: ‘stable_sort’ was not declared in this scope user.cpp:26: error: expected ‘;’ before ‘ul’ user.cpp:29: error: ‘u’ was not declared in this scope user.cpp:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result