Borderou de evaluare (job #471875)

Compilare: user.cpp: In function ‘int form()’: user.cpp:32:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] user.cpp: In function ‘int main()’: user.cpp:67:9: warning: unused variable ‘maxx’ [-Wunused-variable] user.cpp:68:9: warning: unused variable ‘mixx’ [-Wunused-variable] user.cpp:53:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:54:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘char ad()’: user.cpp:16:33: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]