Borderou de evaluare (job #28428)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:5: error: expected ‘;’ before ‘if’ user.cpp:9:18: warning: statement has no effect [-Wunused-value] user.cpp:9:20: error: ‘else’ without a previous ‘if’ user.cpp:5:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]