Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24: error: ‘t’ was not declared in this scope user.cpp:28: error: ‘n’ was not declared in this scope user.cpp:30: error: ‘i’ was not declared in this scope user.cpp:31: error: ‘a’ was not declared in this scope user.cpp:32: error: ‘List’ was not declared in this scope user.cpp:38: error: expected ‘}’ at end of input user.cpp:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result