Borderou de evaluare (job #375579)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:28: warning: ‘k’ may be used uninitialized in this function [-Wuninitialized] user.cpp:37:51: warning: ‘dre’ may be used uninitialized in this function [-Wuninitialized] user.cpp:37:37: warning: ‘sta’ may be used uninitialized in this function [-Wuninitialized]