Borderou de evaluare (job #194749)

Compilare: user.cpp: In function ‘int main()’: user.cpp:27:9: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:27:11: warning: unused variable ‘c2’ [-Wunused-variable] user.cpp:8:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:11: warning: ‘d’ may be used uninitialized in this function [-Wuninitialized]