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已知一个整数数组x[],其中的元素彼此都不相同。找出给定的数组中是否有一个元素满足x[i]=i的关系,数组下标从0开始。 举例而言,如果x[]={-2,-1,7,3,0,8},则x[3] = 3,因此3就是答案。 输入 第一行包含一个整数n (0 < n < 100),表示数组中元素的个数。 第二行包含n个整数 ...
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