题意就是给你四个数，运用算术运算，找出它的所有可能值的连续最长的起始值和终了值，如果有想同的最大长度，输出较大的。-Challenge 24 is a popular mathematics game used in many grade schools. In each game, contestants are given a card with four positive integers i1, i2, i3, i4 on it, and the first one who can us