Query data type
class query { public int x1 , x2 , y1 , y2 , K ; public query ( int x1 , int x2 , int y1 , int y2 , int k ) { this . x1 = x1 ; this . x2 = x2 ; this . y1 = y1 ; this . y2 = y2 ; K = k ; } } ;