Borderou de evaluare (job #445150)

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:83:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:100:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:65:33: 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]