• 2022-06-16 问题

    (1+X)以下使用数组 nums 的代码,哪一个会在运行时报错( )? A: nums[nums.length] B: nums[0] C: nums[nums.length/2] D: nums[nums.length-1]

    (1+X)以下使用数组 nums 的代码,哪一个会在运行时报错( )? A: nums[nums.length] B: nums[0] C: nums[nums.length/2] D: nums[nums.length-1]

  • 2021-04-14 问题

    中国大学MOOC: nums = [2, 7, 11, 15, 1, 8]l1 = []l = len(nums)for i in range(0, l-1): for j in range(i+1,l): if nums[i] + nums[j] == 9: n = (nums[i], nums[j]) l1.append(n)print(l1)

    中国大学MOOC: nums = [2, 7, 11, 15, 1, 8]l1 = []l = len(nums)for i in range(0, l-1): for j in range(i+1,l): if nums[i] + nums[j] == 9: n = (nums[i], nums[j]) l1.append(n)print(l1)

  • 2022-07-23 问题

    如何定义一个10x10的二维整形数组? A: int nums[20[20]]; B: int nums[19][20]; C: double nums[20][20]; D: int nums[20][2*10];

    如何定义一个10x10的二维整形数组? A: int nums[20[20]]; B: int nums[19][20]; C: double nums[20][20]; D: int nums[20][2*10];

  • 2021-04-14 问题

    下面代码结果是什么?(  ) nums=[10,9,8,7,6,5] nums[0]=nums[1]-5 if 4 in nums: print(nums[3]) else: print(nums[4])

    下面代码结果是什么?(  ) nums=[10,9,8,7,6,5] nums[0]=nums[1]-5 if 4 in nums: print(nums[3]) else: print(nums[4])

  • 2021-04-14 问题

    下面代码运行结果是什么?( ) nums=[1,2,3,4,5] nums[3]=nums[1] print(nums[3])

    下面代码运行结果是什么?( ) nums=[1,2,3,4,5] nums[3]=nums[1] print(nums[3])

  • 2022-06-16 问题

    有代码为:nums = [0, 1, 2, 3] for i in nums: print(nums[i])下面的说法中,正确 的是:[/i] A: 代码运行有错,因为 i 不是序号 B: 代码运行有错,正确的代码为:nums = [0, 1, 2, 3] for i in range(len(nums)): print(nums[i]) C: 代码运行正常,输出为:0123 D: 代码运行有错,错误为下标越界

    有代码为:nums = [0, 1, 2, 3] for i in nums: print(nums[i])下面的说法中,正确 的是:[/i] A: 代码运行有错,因为 i 不是序号 B: 代码运行有错,正确的代码为:nums = [0, 1, 2, 3] for i in range(len(nums)): print(nums[i]) C: 代码运行正常,输出为:0123 D: 代码运行有错,错误为下标越界

  • 2022-06-07 问题

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

  • 2022-06-07 问题

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

  • 2022-06-19 问题

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

    下列数组初始化语句哪些是正确的 A: int[] nums = new int[]{0,1,2,3,4}; B: int[] nums2 = {0,1,2,3,4,5}; C: int[][] num_1 = {new int[]{0,1},new int[]{0,1,2},new int[]{0,1,2,3}}; D: int[][] num_2 = {{0,1},{0,1,2},{0,1,2,3}};

  • 2022-05-29 问题

    定义函数如下:def compute(*numbers): s = 1 for n in numbers: s = s * n + n return s以下哪些选项的输入可以得到21的结果? A: compute([3, 3]) B: nums = [1, 2, 3]; compute(nums) C: compute([3, 2, 1]) D: nums = (3, 3); compute(*nums)

    定义函数如下:def compute(*numbers): s = 1 for n in numbers: s = s * n + n return s以下哪些选项的输入可以得到21的结果? A: compute([3, 3]) B: nums = [1, 2, 3]; compute(nums) C: compute([3, 2, 1]) D: nums = (3, 3); compute(*nums)

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