Borderou de evaluare (job #45594)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:7:17: error: ‘n’ was not declared in this scope user.cpp:7:18: error: expression list treated as compound expression in initializer [-fpermissive] user.cpp:8:9: error: ‘i’ was not declared in this scope user.cpp:9:21: error: ‘nr’ was not declared in this scope user.cpp:9:23: error: ‘scanf’ cannot be used as a function user.cpp:11:13: error: ‘p’ was not declared in this scope user.cpp:12:13: error: ‘a’ was not declared in this scope user.cpp:12:18: error: ‘p’ was not declared in this scope user.cpp:13:13: error: ‘b’ was not declared in this scope user.cpp:4:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]