Find Sum Pair from given array and target

find-sum-pair-from-given-array-and-target.markdown

Find Sum Pair from given array and target

A Pen by idrakimuhamad on CodePen.

License.

script.js

function findSum(arr, target) {
  const sorted = arr.sort()
  let low = 0;
  let hi = sorted.length - 1
  let found = false
  
  while (low < hi) {
    if (arr[low] + arr[hi] === target) {
      console.log("Pair found: ", arr[low] + ' + ' + arr[hi])
      found = true
    }
    
    if (arr[low] + arr[hi] < target) {
      low++
    } else {
      hi--
    }
  }
  
  if (!found) {
    console.log('No pair found')
  }
}

findSum([1,2,3,4,5,6,7,8], 7)