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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Migratory Birds
  5. Discussions

Migratory Birds

  • 2094ashrafkhan
     + 0 comments

    java script solution within one loop

    function migratoryBirds(arr) {
  // Write your code here
  let resObj = {};
  let hightest;
  let key;
  arr.forEach((element) => {
    if (resObj[element]) {
      resObj[element] = resObj[element] + 1;
      if (hightest && key) {
        if (resObj[element] > hightest) {
          hightest = resObj[element];
          key = element;
        } else if (resObj[element] == hightest) {
          if (element < key) {
            key = element;
          }
        }
      } else {
        hightest = resObj[element];
        key = element;
      }
    } else {
      resObj[element] = 1;
    }
  });

  return key;
}