Borderou de evaluare (job #46910)

Compilare: user.cpp: In function ‘int main()’: user.cpp:10:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:18:17: warning: operation on ‘i’ may be undefined [-Wsequence-point] 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:9:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]