work/source: In member function ‘void Segment::init()’:
work/source:11: error: ‘memset’ was not declared in this scope
work/source: In function ‘int main()’:
work/source:59: error: ‘stdin’ was not declared in this scope
work/source:59: error: ‘freopen’ was not declared in this scope
work/source:60: error: ‘stdout’ was not declared in this scope
work/source:62: error: ‘scanf’ was not declared in this scope
work/source:72: error: ‘sort’ was not declared in this scope
work/source:76: error: ‘memset’ was not declared in this scope
work/source:89: error: ‘printf’ was not declared in this scope
