All files / problems/maximumNumberRecursion index.ts

1
2
3
4
5
6
7
8
9
10
11
1x
7x
7x
4x
4x
7x
7x
7x
1x
1x
 
const maximumNumber = (items: number[], maxNumber?: number): number | null => {
  // base case
  if (items.length === 0) return maxNumber || null;
 
  // recursion case
  const newMax = maxNumber ? Math.max(items[0], maxNumber) : items[0];
  return maximumNumber(items.slice(1), newMax);
};
 
export default maximumNumber;