Borderou de evaluare (job #78470)

Compilare: user.cpp: In function ‘int main()’: user.cpp:36:71: warning: operation on ‘p2’ may be undefined [-Wsequence-point] user.cpp:36:71: warning: operation on ‘x2’ may be undefined [-Wsequence-point] user.cpp:81:34: warning: operation on ‘c2’ may be undefined [-Wsequence-point] 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:9:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]