Problems that seem to loop endlessly

I was working on some algorithm challenges from a coding platform, and I hit a roadblock with the "The Final Countdown" challenge. Here's what the challenge required:

Provide 4 parameters (param1, param2, param3, param4), print the multiples of param1 starting at param2 up to param3. If a multiple is equal to param4, then skip it - do not print that one. Implement this using a while loop. For example, given (3,5,17,9) you should print 6,12,15 (these are multiples of 3 between 5 and 17, except for 9).

The issue I'm facing is that my code seems to be stuck in an infinite loop. Can someone please help me identify where I went wrong? Below is my code:

function finalCount(param1, param2, param3, param4) {
  var i = param2;
  while (i <= param3) {
    if (i == param4) {
      continue;
    } else if (i % param1 == 0) {
      console.log(i);
    }
    i++;
  }
}
finalCount(3, 5, 17, 9)

Answer №1

When you use the continue statement, it can lead to an infinite loop because the variable i isn't incremented by one.

To avoid this issue, you can change the condition i == param4 and include it in the second condition like so:

  if (i % param1 == 0 && i != param4) {
      console.log(i);
    }

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