Return no . of perfect square numbers in range from index qs ( query start ) to qe ( query end ) . It mainly uses queryUtil ( )
static void query ( int [ ] st , int n , int qs , int qe ) { int perfectSquareInRange = queryUtil ( st , 0 , n - 1 , qs , qe , 0 ) ; Console . Write ( perfectSquareInRange + " STRNEWLINE " ) ; }