RodCutting.js

/*
  * You are given a rod of 'n' length and an array of prices associated with all the lengths less than 'n'.
  * Find the maximum profit possible by cutting the rod and selling the pieces.
*/

export function rodCut (prices, n) {
  const memo = new Array(n + 1)
  memo[0] = 0

  for (let i = 1; i <= n; i++) {
    let maxVal = Number.MIN_VALUE
    for (let j = 0; j < i; j++) { maxVal = Math.max(maxVal, prices[j] + memo[i - j - 1]) }
    memo[i] = maxVal
  }

  return memo[n]
}