Borderou de evaluare (job #101815)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:9: warning: statement has no effect [-Wunused-value] user.cpp:17:21: warning: statement has no effect [-Wunused-value] user.cpp:9:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:5: warning: ‘i’ may be used uninitialized in this function [-Wuninitialized]