Borderou de evaluare (job #43904)

Compilare: user.cpp: In function ‘int main()’: user.cpp:10:10: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:8:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:19: warning: ‘z’ may be used uninitialized in this function [-Wuninitialized] user.cpp:35:19: warning: ‘y’ may be used uninitialized in this function [-Wuninitialized] user.cpp:35:19: warning: ‘x’ may be used uninitialized in this function [-Wuninitialized]