static int minimumMoves ( int n , int a [ ] , int s , int t ) {
  int i , x ;
  x = s ;
  for ( i = 1 ;
  i <= n ;
  i ++ ) {
    if ( x == t ) break ;
    x = a [ x ] ;
  }
  if ( x == t ) return i - 1 ;
  else return - 1 ;
}

static int minimumMoves ( int n , int a [ ] , int s , int t ) { int i , x ; x = s ; for ( i = 1 ; i <= n ; i ++ ) { if ( x == t ) break ; x = a [ x ] ; } if ( x == t ) return i - 1 ; else return - 1 ; }
(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)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (break_statement)) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (return_statement (binary_expression left: (identifier) right: (decimal_integer_literal))) alternative: (return_statement (unary_expression operand: (decimal_integer_literal))))))