Compilare: user.cpp: In function ‘bool cmp(fr, fr)’: user.cpp:18: warning: statement has no effect user.cpp: In function ‘int main()’: user.cpp:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int Search(int, int)’: user.cpp:30: warning: control reaches end of non-void function user.cpp: In function ‘bool cmp(fr, fr)’: user.cpp:19: warning: control reaches end of non-void function