public static int countDecreasingPathsMatrix ( int n , int mat [ ] [ ] ) {
  int dp [ ] [ ] = new int [ n ] [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) for ( int j = 0 ;
  j < n ;
  j ++ ) dp [ i ] [ j ] = - 1 ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) for ( int j = 0 ;
  j < n ;
  j ++ ) sum += CountDecreasingPathsCell ( mat , dp , n , i , j ) ;
  return sum ;
}

public static int countDecreasingPathsMatrix ( int n , int mat [ ] [ ] ) { int dp [ ] [ ] = new int [ n ] [ n ] ; for ( int i = 0 ; i < n ; i ++ ) for ( int j = 0 ; j < n ; j ++ ) dp [ i ] [ j ] = - 1 ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) for ( int j = 0 ; j < n ; j ++ ) sum += CountDecreasingPathsCell ( mat , dp , n , i , j ) ; return sum ; }
(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) dimensions: (dimensions))) 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 (identifier)) dimensions: (dimensions_expr (identifier))))) (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: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (unary_expression operand: (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (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: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier) (identifier) (identifier))))))) (return_statement (identifier))))