static int countWays ( int N ) {
  int count [ ] = new int [ N + 1 ] ;
  count [ 0 ] = 1 ;
  for ( int i = 1 ;
  i <= N ;
  i ++ ) for ( int j = 0 ;
  j < arr . length ;
  j ++ ) if ( i >= arr [ j ] ) count [ i ] += count [ i - arr [ j ] ] ;
  return count [ N ] ;
}

static int countWays ( int N ) { int count [ ] = new int [ N + 1 ] ; count [ 0 ] = 1 ; for ( int i = 1 ; i <= N ; i ++ ) for ( int j = 0 ; j < arr . length ; j ++ ) if ( i >= arr [ j ] ) count [ i ] += count [ i - arr [ j ] ] ; return count [ N ] ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))))))) (return_statement (array_access array: (identifier) index: (identifier)))))