int change(int amount, int[] coins, int length) {

  var dp = new int[amount + 1];
  dp[0] = 1;

  for (var i = 0; i < length; i = i+1;) {
    var coinVal = coins[i];

    for (var j = coinVal; j <= amount; j=j+1;) {
      dp[j] = dp[j] + dp[j - coinVal];
    }
  }
  return dp[amount];
}


int program(int argc, string[] argv) {
  var amount = 11;
  var coins = new int[]{1, 5, 10, 25};


  var ret = change(amount, coins, 4);

  return ret;
}