Borderou de evaluare (job #15074)

Compilare: user.cpp: In function 'int search_hi(const int&, const int&)': user.cpp:27:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'int search_lo(const int&, const int&)': user.cpp:35:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:37:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'int main()': user.cpp:44:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:45:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:48:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:50:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]