Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘bool witness(int, int)’: user.cpp:53: error: ‘__int64’ was not declared in this scope user.cpp:53: error: expected ‘;’ before ‘prev’ user.cpp:63: error: ‘prev’ was not declared in this scope user.cpp:66: error: ‘curr’ was not declared in this scope user.cpp:71: error: ‘curr’ was not declared in this scope