Borderou de evaluare (job #8966)

Compilare: user.cpp: In function 'int main()': user.cpp:11:29: warning: operation on 'cnt' may be undefined [-Wsequence-point] user.cpp:11:29: warning: operation on 'cnt' may be undefined [-Wsequence-point] user.cpp:5:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]