第一题, 交换数组递增 10% ''' @Author: rayenwang @LastEditTime: 2019-09-06 20:40:27 @Description: ''' N = int(input()) nums = [int(n) for n in input().split()] # N = 5 # nums = [1, 5, 2, 4, 3] result = 0 for i in range(N): if nums[i] == i + 1: continue index = nums[i] - 1 nums[i], nums[i...