Borderou de evaluare (job #315893)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:30:9: error: expected primary-expression before ‘long’ user.cpp:30:18: error: ‘sum’ cannot be used as a function user.cpp:30:19: error: expected ‘;’ before ‘sum’ user.cpp:23:15: warning: unused variable ‘temp’ [-Wunused-variable] user.cpp:21:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:22:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:29:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]