export function countPairsWithDiffK(numbers: number[], k: number): number {
  let count = 0
  for(let i = 0; i < numbers.length; i++){
    for(let j = i + 1; j < numbers.length; j++){
      console.log (numbers[i], '-', numbers[j])
      if(numbers[i] - numbers[j] === k || numbers[j] - numbers[i] === k) {
        if(numbers[i] === numbers[j] && numbers[j] === numbers[i]) return 1
        else count++
      }
    }
  }
  return count;
}