求出1到1000之间能被7或者11整除但不能同时被7和11整除的所有整数，结果按从小到大的顺序存放在数组a中，并返回个数-Can be obtained between 1 and 1000 is divisible by 7 or 11 but not both divisible by 7 and 11, all integers, results from small to large arrays stored in a sequence and returns the number of