public static long findWays ( int m , int n , int x ) {
  long [ ] [ ] table = new long [ n + 1 ] [ x + 1 ] ;
  for ( int j = 1 ;
  j <= m && j <= x ;
  j ++ ) table [ 1 ] [ j ] = 1 ;
  for ( int i = 2 ;
  i <= n ;
  i ++ ) {
    for ( int j = 1 ;
    j <= x ;
    j ++ ) {
      for ( int k = 1 ;
      k < j && k <= m ;
      k ++ ) table [ i ] [ j ] += table [ i - 1 ] [ j - k ] ;
    }
  }
  return table [ n ] [ x ] ;
}

public static long findWays ( int m , int n , int x ) { long [ ] [ ] table = new long [ n + 1 ] [ x + 1 ] ; for ( int j = 1 ; j <= m && j <= x ; j ++ ) table [ 1 ] [ j ] = 1 ; for ( int i = 2 ; i <= n ; i ++ ) { for ( int j = 1 ; j <= x ; j ++ ) { for ( int k = 1 ; k < j && k <= m ; k ++ ) table [ i ] [ j ] += table [ i - 1 ] [ j - k ] ; } } return table [ n ] [ x ] ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal))) dimensions: (dimensions_expr (binary_expression left: (identifier) 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: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier))) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (identifier)) 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: (block (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: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier))) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (identifier)))))))))) (return_statement (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))