Borderou de evaluare (job #409023)

Compilare: user.cpp: In function ‘void read(int&)’: user.cpp:11:35: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] user.cpp: In function ‘int main()’: user.cpp:37:13: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:32:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘void read(int&)’: user.cpp:16:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:22:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]