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单选题 Analyze the following code.#include <iostream>using namespace std;int main( ) { int x[3]; cout << "x[0] is " << x[0]; return 0;}
学科：C++语言程序设计
时间：2023-12-03 05:55:23
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题目1单选题
How many elements are in array double list[5]A. 4B. 5C. 6D. 0
题目2单选题
What is the correct term for numbers[99]A. indexB. index variableC. arrayD. array element
题目3单选题
以下能正确定义一维数组的选项是A. int num[ ]B. int num[08]C. const int N = 100; int num[N]D. int N = 100; int num[N]
题目4单选题
Which of the following statements declares a five-element array named populationA. int population[4] = {0}B. int population[5] = {0}C. int population[4] = 0D. int population[5] = 0
题目5单选题
以下不正确的定义语句是( )A. double x[5] = {2.0, 4.0, 6.0, 8.0, 10.0}B. int y[5] = {0, 1, 3, 5, 7, 9}C. char cl[ ] = {'1', '2', '3', '4', '5'}D. char c2[ ] = {1, 2, 3}
题目6单选题
下列语句错误的是( )A. const int a[4] = {1, 2, 3, 4, 5}B. const int a[ ] = {1, 2, 3}C. const char a[3] = {'1', '2', '3'}D. const char a[ ] = "123"
题目7单选题
What is the representation of the third element in an array called aA. a[2]B. a(2)C. a[3]D. a(3)
题目8单选题
If you declare an array double list[ ] = {3.4, 2.0, 3.5, 5.5}, list[1] is ________A. 3.4B. 2.0C. 3.5D. 5.5E. undefined
题目9单选题
If you declare an array double list[ ] = {3.4, 2.0, 3.5, 5.5}, the highest index in array list is _____A. 0B. 1C. 2D. 3E. 4
题目10单选题
Analyze the following code.#include <iostream>using namespace std;int main( ) { int x[3]; cout << "x[0] is " << x[0]; return 0;}A. The program has a compile error because the size of the array wasn't specified when declaring the arrayB. The program has a runtime error because the array elements are not initializedC. The program runs fine and displays x[0] is 0D. The program has a runtime error because the array element x[0] is not definedE. x[0] has an unpredictable value
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