Toilet seat touching simulation

toilet-seat.js

var visitCount = 10000;
var touches = 0;
var seatDown = true;

/**
 * The "Seat-Down" policy
 * 
 * - Each user places the seat down after conducting 
 *   his or her business.
 * - `seatDown` need not be updated because the inital 
 *   state of the seat is always down for each user.
 */

for (var i = 0; i < visitCount; i++) {
  var female = Math.random() > 0.5; // 50%
  var num2 = Math.random() > 0.7;   // 30%

  if (female) {
    if (seatDown) {
      // noop
    }
    else {
      touches += 1;
    }
  }
  else {
    if (seatDown) {
      if (num2) {
        // noop
      }
      else {
        touches += 2;
      }
    }
    else {
      if (num2) {
        touches += 1;
      }
      else {
        // noop
      }
    }
  }
}

/**
 * "Seat-Down" results
 */

console.log();
console.log('Seat-down policy');
console.log('Touches after 10000 visitors: %s', touches);

/**
 * "Only-What-You-Need" policy
 * 
 * - Each user only touches the seat when necessary 
 *   to conduct his or her business.
 * - `seatDown` is updated with each visit based on
 *   how the previous user left it.
 */

touches = 0;
seatDown = true;

for (var i = 0; i < visitCount; i++) {
  var female = Math.random() > 0.5; // 50%
  var num2 = Math.random() > 0.7;   // 30%

  if (female) {
    if (seatDown) {
      seatDown = true;
    }
    else {
      touches += 1;
      seatDown = true;
    }
  }
  else {
    if (seatDown) {
      if (num2) {
        seatDown = true;
      }
      else {
        touches += 1;
        seatDown = false;
      }
    }
    else {
      if (num2) {
        touches += 1;
        seatDown = false;
      }
      else {
        seatDown = false;
      }
    }
  }
}

/**
 * "Only-What-You-Need" results
 */

console.log();
console.log('Only-What-You-Need policy');
console.log('Touches after 10000 visitors: %s', touches);