Borderou de evaluare (job #74511)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] 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:11:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:25: warning: ‘z1’ is used uninitialized in this function [-Wuninitialized] user.cpp:12:25: warning: ‘z2’ is used uninitialized in this function [-Wuninitialized] user.cpp:12:25: warning: ‘z3’ is used uninitialized in this function [-Wuninitialized] user.cpp:12:25: warning: ‘z4’ is used uninitialized in this function [-Wuninitialized] user.cpp:12:25: warning: ‘z5’ is used uninitialized in this function [-Wuninitialized] user.cpp:12:25: warning: ‘z6’ is used uninitialized in this function [-Wuninitialized]