Borderou de evaluare (job #4680)

Compilare: user.cpp: In function ‘int main()’: user.cpp:5:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:42:19: warning: ‘total’ may be used uninitialized in this function [-Wuninitialized]