static int pathCountRec ( int mat [ ] [ ] , int m , int n , int k ) {
  if ( m < 0 || n < 0 ) {
    return 0 ;
  }
  if ( m == 0 && n == 0 && ( k == mat [ m ] [ n ] ) ) {
    return 1 ;
  }
  return pathCountRec ( mat , m - 1 , n , k - mat [ m ] [ n ] ) + pathCountRec ( mat , m , n - 1 , k - mat [ m ] [ n ] ) ;
}

static int pathCountRec ( int mat [ ] [ ] , int m , int n , int k ) { if ( m < 0 || n < 0 ) { return 0 ; } if ( m == 0 && n == 0 && ( k == mat [ m ] [ n ] ) ) { return 1 ; } return pathCountRec ( mat , m - 1 , n , k - mat [ m ] [ n ] ) + pathCountRec ( mat , m , n - 1 , k - mat [ m ] [ n ] ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (return_statement (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))) consequence: (block (return_statement (decimal_integer_literal)))) (return_statement (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier) (binary_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier))))) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (binary_expression left: (identifier) right: (decimal_integer_literal)) (binary_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))))))