smooth an array of floating points. User specify number of points. Sort in-place or input-to-output array. Smooth double array.

Insertion sort (fast for already almost sorted arrays): Best case: O(n) for an already sorted array. -Insertion sort (fast for already almost sorted arrays): Best case: O(n) for an already sorted array.

对数组元素排序 任意进制数的转换 判断回文数(Sort the array elements Conversion of arbitrary numbers Determine the number of palindrome)