felinar.cpp:4:2: error: invalid preprocessing directive #inlude felinar.cpp: In function 'int main()': felinar.cpp:52: error: 'memset' was not declared in this scope felinar.cpp:57: error: 'memset' was not declared in this scope felinar.cpp:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result felinar.cpp:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result felinar.cpp:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result felinar.cpp:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result