Borderou de evaluare (job #121830)

Compilare: user.cpp: In function ‘int main()’: user.cpp:25:29: warning: operation on ‘x’ may be undefined [-Wsequence-point] user.cpp:29:33: warning: operation on ‘z’ may be undefined [-Wsequence-point] user.cpp:31:29: warning: operation on ‘z’ may be undefined [-Wsequence-point] user.cpp:21:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:23:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]