function findKth( a , n , K ) { return quickfind(a, 0, n - 1, K); } function quickfind(a, left, right, k) { let i = left, j = right, pivot = a[left]; while (i < j) { while (i < j && a[j] >= pivot) j--; if (i < j) a[i++] = a[j]; while (i < ...